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Engineering beyond the horizon of imagination! Anything is possible with patience, persistence, and perseverance.

Engineering beyond the horizon of imagination! Anything is possible with patience, persistence, and perseverance.

Summary: With 9.5 years of experience, I specialize in Mechanical Engineering, Fire Protection, HVAC, and Project Management. My expertise spans across MEP system design, utility system design, fire d... Read more

Summary: With 9.5 years of experience, I specialize in Mechanical Engineering, Fire Protection, HVAC, and Project Management. My expertise spans across MEP system design, utility system design, fire detection and protection systems, and seismic load calculations. I hold certifications in Autodesk AutoCAD, Lean Six Sigma, and various fire safety systems. Memberships and Affiliations: NFPA: Technical Committee Member (Principal, Special Occupancies) Society of Fire Protection Engineers (SFPE) American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) The American Society of Mechanical Engineers (ASME) Institution of Mechanical Engineers The Institution of Engineers Bangladesh (IEB) International Association of Engineers (IAENG) Society of Petroleum Engineers (SPE) Employment History: Fire Protection Specialist at ADC: Commissioned new airport fire systems. Project Manager at HeptaTech Limited: Led MEP design for LEED projects. Design Manager at China Construction Third Engineering Bureau Co Ltd: Oversaw HSIA Expansion Project design. Engineer at Bangla Trac Limited: Designed fire detection systems and managed project planning. Engineer at Prokausholee Designers and Researchers: Specialized in fire safety and HVAC system design. Academic Qualification: Professional Masters in Applied Statistics and Data Science, Jahangirnagar University M.Sc. in Engineering (Mechanical Engineering), Bangladesh University of Engineering and Technology Bachelor of Science (B.Sc.) in Mechanical Engineering, Ahsanullah University of Science and Technology Publication: Published a paper on "Prototype Smart Home Environment with Biofeedback" in IEEE TENSYMP 2020. Professional Certifications: Autodesk Certified Professional: AutoCAD® (ACP) Lean Six Sigma Black Belt (LSSBB) Fire System (Fire Detection and Alarm) Certification ISO 9001:2015 Google Digital Marketing Certification Training Summary: Received extensive training in areas such as industrial automation, boiler plant energy management, fire safety, HVAC system design, and leadership skills. Specialization: Proficient in mechanical detailing, NFPA codes, fire detection and protection, HVAC systems, Six Sigma methodologies, design engineering, energy simulation, and project management. Completed notable projects including foam water suppression system design, MEP system designs for various commercial buildings, and data center design using FM-200. Additional Information: Completed over 250 projects, demonstrating a track record of excellence and reliability in delivering engineering solutions. For further details or inquiries, please feel free to contact me.

With over 8 years of experience in mechanical design, mold/die tooling, machining, and sheet metal fabrication, I specialize in creating precision-engineered parts, enclosures, and custom mechanical s... Read more

With over 8 years of experience in mechanical design, mold/die tooling, machining, and sheet metal fabrication, I specialize in creating precision-engineered parts, enclosures, and custom mechanical solutions. Skills & Expertise: -3D CAD modeling & 2D technical drawings (SolidWorks, Fusion 360, AutoCAD, Inventor) -Sheet metal design, enclosures, and structural components -Product development from concept to production -Manufacturing consulting and sourcing solutions -CNC machining & rapid prototyping -Wire harness design & metal fabrication I have successfully worked with small businesses, large enterprises, and government contractors, helping them develop cost-effective, high-quality designs tailored for manufacturing and scalability. My expertise extends to optimizing designs for production efficiency, material selection, and assembly processes. If you're looking for an experienced mechanical designer or manufacturing consultant who can bring innovative, practical, and cost-effective solutions to your projects, feel free to connect!

I design complete building services packages — HVAC, LV/MV electrical, ELV and plumbing — from load calculations to stamped drawings. 3+ years on hospitals, administrative buildings and schools, inclu... Read more

I design complete building services packages — HVAC, LV/MV electrical, ELV and plumbing — from load calculations to stamped drawings. 3+ years on hospitals, administrative buildings and schools, including a 500-bed CHU. What I deliver: • HVAC: cooling/heating loads (HAP, CypecadMEP), psychrometric analysis, AHU sizing, duct and hydraulic network sizing, aeraulic balancing • Electrical: power balance, cable sizing and protection coordination, single-line diagrams, earthing, lighting design (DIALux evo, CypeluxEN) • Plumbing: supply and drainage sizing, booster and hot water production • BIM: Revit MEP, Cypecad MEP modelling, family creation, DWG-to-BIM conversion, coordinated sheet sets Software: Revit MEP, AutoCAD, HAP, CYPE, Caneco BT, DIALux evo, EPLAN, SEE Electrical, MicroStation. Standards: French, European and International. I've also completed Enedis LV connection studies for a French subcontractor. State Engineer in Electrical Engineering (ENP Oran). I work in English and French, and I'm very used to European normative frameworks — useful if your project has to satisfy a French or EU-referenced spec. Send me your architectural plans and the brief; I'll come back with scope, hours and a fixed price.

I am an Architect, Interior Designer, Kitchen Design Expert, and Data Center Design Engineer with 15+ years of experience delivering innovative, functional, and buildable design solutions. I specializ... Read more

I am an Architect, Interior Designer, Kitchen Design Expert, and Data Center Design Engineer with 15+ years of experience delivering innovative, functional, and buildable design solutions. I specialize in residential, commercial, hospitality, and mission-critical facilities, combining creativity with technical expertise to achieve outstanding results. My expertise includes architectural planning, interior design, modular kitchen design, wardrobe design, space planning, furniture layouts, 3D visualization, and detailed construction drawings. I create modern, practical, and aesthetically pleasing spaces tailored to each client's requirements and budget. In addition to architectural and interior projects, I have extensive experience in Data Center Design, MEP Engineering and Liquid Cooling Solutions. I develop detailed AutoCAD and Revit designs for electrical, mechanical, plumbing, HVAC, and high-density cooling systems used in next-generation data centers. Services I Offer: • Architectural Design & Floor Planning • Residential & Commercial Interior Design • Modular Kitchen & Wardrobe Design • Space Planning & Furniture Layouts • AutoCAD 2D Drafting & Construction Drawings • Revit • SketchUp 3D Modeling • Enscape Photorealistic Rendering • Data Center Design & Liquid Cooling Solutions • HVAC, Electrical & Plumbing Design • BOQ Preparation & Technical Documentation Tools: AutoCAD, Revit, SketchUp, Enscape, Microsoft Excel I am committed to delivering high-quality work, clear communication, attention to detail, and on-time project completion. Whether you need a dream home interior, a functional modular kitchen, an architectural layout, or a complex data center design, I can provide professional solutions that turn your vision into reality.

I am Eng. Amos Siwoi, PE, a certified Project Management Professional (PMP) by PMI with a robust background in mechanical and production engineering. I hold a Bachelor of Technology in Mechanical and... Read more

I am Eng. Amos Siwoi, PE, a certified Project Management Professional (PMP) by PMI with a robust background in mechanical and production engineering. I hold a Bachelor of Technology in Mechanical and Production Engineering from Moi University. As a registered professional engineer with the Engineers Board of Kenya and a member of the Institute of Engineers of Kenya, I bring a wealth of expertise and commitment to every project. My strengths lie in 3D modeling, prototyping, finite element analysis, project management, and data center design and management. I am proficient in leading CAD software such as AutoCAD, SolidWorks, and Revit. Recognized by the International Data Center Authority as a data center expert, I have extensive experience in this specialized field. With over 10 years of experience, I have successfully completed numerous projects in designing cost-effective mechanical systems, creating detailed 3D models for new products, and managing complex engineering projects. My work in data center design and management has been instrumental in developing efficient, reliable, and scalable data center solutions. My educational background and professional certifications have provided me with a solid foundation in engineering principles and project management, enabling me to deliver high-quality, timely, and cost-effective solutions. I am passionate about leveraging my skills to bring innovative solutions to complex engineering challenges and look forward to collaborating with clients to achieve outstanding results.

I am a versatile and results-driven Mechanical Engineer with over six years of experience in mechanical engineering, project management, and design management. Holding a Degree in Mechanical Engineeri... Read more

I am a versatile and results-driven Mechanical Engineer with over six years of experience in mechanical engineering, project management, and design management. Holding a Degree in Mechanical Engineering and a Postgraduate Diploma in Engineering Management. I have successfully contributed to projects across the oil and gas, water and wastewater treatment, data centres and building services industries. My background includes experience in mechanical design, tender bidding, project development, and contract management, with a focus on delivering projects within scope, budget, and schedule. I combine technical expertise with a structured approach to project management to improve efficiency, support performance, and reduce potential risks.

Spectrum Response Engineering Consulting Office, an integrated team of all disciplines to prepare designs according to one of the international codes, we use BIM and CAD technology in design Spectrum... Read more

Spectrum Response Engineering Consulting Office, an integrated team of all disciplines to prepare designs according to one of the international codes, we use BIM and CAD technology in design Spectrum Response Engineering Consulting Office is an office established in 2018 and it is an office that contains a highly experienced cadre of engineers, providing all design services related to buildings such as modern architectural designs, structural designs, extensions and electromechanical design

I am a Mechanical and MEP Design Coordinator with 10+ years of international experience in data center design and complex infrastructure projects. Over the past 2 years, I have specialized in CNC prog... Read more

I am a Mechanical and MEP Design Coordinator with 10+ years of international experience in data center design and complex infrastructure projects. Over the past 2 years, I have specialized in CNC programming, Vertex G4, and SolidWorks modeling, delivering precise CAD/CAE solutions for manufacturing and product development. My expertise includes MEP coordination, mechanical drafting, 3D modeling, and CNC-ready designs. I help clients reduce design errors, optimize workflows, and deliver high-quality engineering solutions on time.

Hi, I'm Eva, a Chartered Civil Engineer (CEng MICE, Institution of Civil Engineers, UK) and senior CAD modeller with 9 years of experience in the UK. I work on infrastructure, buildings, pharmaceutica... Read more

Hi, I'm Eva, a Chartered Civil Engineer (CEng MICE, Institution of Civil Engineers, UK) and senior CAD modeller with 9 years of experience in the UK. I work on infrastructure, buildings, pharmaceutical facilities and data centres. I've been the Civil 3D super user on my teams and have worked as a BIM Manager, so I know the software and the process inside out. I also work in Virtual Design and Construction (VDC): federated models, clash detection, design coordination and 4D construction sequencing. What I can do for you: - Civil 3D: surfaces, grading and earthworks, alignments, corridors, roads, drainage and pipe networks, quantities - AutoCAD drafting: plans, sections, details, site layouts, PDF or scan to DWG - 3D BIM models, coordinated and clash-checked - 4D sequencing and construction simulations - BIM management: standards to ISO 19650, execution plans, templates, model QA I deliver clean, well-organised native files plus DWG, IFC, PDF or other formats on request, with short notes explaining my design choices.

# CAD Crowd Profile Description Mechanical & CFD Engineer with expertise in CAD design, thermal management, electronics cooling, and CFD simulation. Experienced in designing and optimizing heat sinks... Read more

# CAD Crowd Profile Description Mechanical & CFD Engineer with expertise in CAD design, thermal management, electronics cooling, and CFD simulation. Experienced in designing and optimizing heat sinks, cold plates, liquid cooling systems, and flow-distribution components using Creo, ANSYS Fluent, Icepak, FloEFD, OpenFOAM, and Python. Skilled in combining engineering design, simulation, and optimization to develop practical, high-performance cooling solutions.

I have over 5 years of experience with AutoCAD (From 2007-2017 Versions) doing 2D Schematic/ layout & 2D/3D detail drawings for a flooring contractor in the NY/NJ area. I have about 2 years of experie... Read more

I have over 5 years of experience with AutoCAD (From 2007-2017 Versions) doing 2D Schematic/ layout & 2D/3D detail drawings for a flooring contractor in the NY/NJ area. I have about 2 years of experience using Revit & Revit Architecture for BIM Coordination Purposes. I can dedicate 5 hours on weekdays along with whatever time is required on Saturdays and Sundays.

Civil Engineer with 8+ years of experience in managing public and private construction projects. Specialized in Lean Construction, BIM, and process optimization. Proven track record in cost reduction... Read more

Civil Engineer with 8+ years of experience in managing public and private construction projects. Specialized in Lean Construction, BIM, and process optimization. Proven track record in cost reduction (up to 20%), schedule acceleration (up to 15%), and implementation of innovative solutions in large-scale projects (up to BRL 5 million).

We design all scale data center , * Architectural design * Cooling Design * Earthquake protection *Fire protection * Data center monitoring * Power management All design confirming to TIER and other... Read more

We design all scale data center , * Architectural design * Cooling Design * Earthquake protection *Fire protection * Data center monitoring * Power management All design confirming to TIER and other standarts 200+ project Sectors: FINANCE, DEFENSE, INDUSTRIES, HOSPITAL, TRANSPORTATION

AutoCAD 2D, 3D Microsoft Office SketchUp Over 20+ Projects Completed including Uptime Institute and TIA/942 Compliance meetup

AutoCAD 2D, 3D Microsoft Office SketchUp Over 20+ Projects Completed including Uptime Institute and TIA/942 Compliance meetup

Senior HVAC Design Engineer with 12+ years of experience in HVAC design, BIM modeling, and MEP coordination for commercial buildings, industrial facilities, metro rail projects, and data centers. I s... Read more

Senior HVAC Design Engineer with 12+ years of experience in HVAC design, BIM modeling, and MEP coordination for commercial buildings, industrial facilities, metro rail projects, and data centers. I specialize in HVAC system design, cooling and heating load calculations (HAP), Revit MEP modeling, AutoCAD drafting, chilled water systems, ventilation design, BIM coordination, clash detection, and construction documentation. My expertise includes Data Center Cooling solutions such as CDU, CRAH, CRAC, RDHx, liquid cooling systems, and mission-critical infrastructure. I deliver accurate, energy-efficient, and cost-effective engineering solutions that comply with ASHRAE, CIBSE, and international industry standards. Core Skills: ✔ HVAC Design & Engineering ✔ Revit MEP & BIM Modeling ✔ HAP Load Calculations ✔ Data Center Cooling Design ✔ Chilled Water & Ventilation Systems ✔ Navisworks Clash Detection ✔ Shop Drawings & Construction Documentation ✔ MEP Coordination & BIM Management I am committed to delivering high-quality work, meeting project deadlines, and helping clients achieve successful project outcomes through innovative and practical engineering solutions.

I am a CFD Engineer specializing in data center cooling, airflow management, heat transfer, and thermal-fluid simulations using OpenFOAM and ANSYS Fluent. My work includes airflow distribution, rack... Read more

I am a CFD Engineer specializing in data center cooling, airflow management, heat transfer, and thermal-fluid simulations using OpenFOAM and ANSYS Fluent. My work includes airflow distribution, rack cooling, hot-spot identification, pressure drop analysis, turbulence modelling, thermal analysis, meshing, solver setup, convergence assessment, post-processing, and technical reporting. I also work on general CFD problems including internal and external flows, conjugate heat transfer, HVAC systems, and engineering fluid-flow simulations. I hold an M.Tech in Mechanical Engineering with specialization in Thermo-Fluids Engineering from IIT Jodhpur. My approach focuses on physically meaningful CFD models, appropriate boundary conditions, mesh quality, convergence, and engineering interpretation of results.

Greetings! My name Tsaqif Al Farrel Ghazali and please call me Farrel. Mechanical Engineer with experience in engineering design, research, and on-site project execution. Currently working as a Projec... Read more

Greetings! My name Tsaqif Al Farrel Ghazali and please call me Farrel. Mechanical Engineer with experience in engineering design, research, and on-site project execution. Currently working as a Project Engineer for chiller and technology water piping systems, installation, and commissioning. Proven ability to manage site activities, coordinate multidisciplinary teams, and ensure compliance with project specifications, QA/QC standards, and client requirements. Experienced in fabrication planning, material coordination, and testing & commissioning processes such as hydrostatic testing, flushing, and passivation. Proficient in SolidWorks, CATIA, and ANSYS, with a strong foundation in structural design and constructability. Passionate about mechanical system execution in high-reliability environments, with strong interest in data center infrastructure, MEP systems, and project-based engineering roles involving site coordination and commissioning.

I am a Mechanical Design Engineer with more than 12 years experience in various areas - automotive industry, FO cables and data center equipment, wind turbines generators and heavy machinery, glass p... Read more

I am a Mechanical Design Engineer with more than 12 years experience in various areas - automotive industry, FO cables and data center equipment, wind turbines generators and heavy machinery, glass partions. I also have experience as Process/Product Engineer. I could help you with: - Design of manuel tool or equipment - Tolerance analiz of your product - Work / Safety instruction - create or update - Mix Model Line Calculation - Detail/assembly 3D models and drawings - Autodesk Inventor or Autocad. - Layouts of buildings - Others drawings on your assignment.

CAD & PDM lead with 8+ years managing Autodesk Inventor/Vault standards, workflows, and data quality for mechanical list systems used across global teams Strong in CAD automation and configurators (C#... Read more

CAD & PDM lead with 8+ years managing Autodesk Inventor/Vault standards, workflows, and data quality for mechanical list systems used across global teams Strong in CAD automation and configurators (C#, iLogic, Inventor API), reducing rework and accelerating Engineer-to-Order execution BSc Mechanical Engineering; Professional Scrum Master; Autodesk Inventor Associate. Languages: Greek (native), English (fluent), German (basic), Dutch (basic) Core Skills: CAD/PDM: Inventor, Vault Professional, CAD standards, Content Center/libraries, release workflows, QA Automation: iLogic, C#, Inventor API, configurators, ERP-driven data population Methods: workflow improvement, RCA (root cause analysis), stakeholder management, training/coaching, Agile

Software Skills Adobe Photoshop & Illustrator - Magazine cover, postcards, ads, business icons, flyers, and etc. Autodesk AutoCAD (2008-2010) – 2D residential and commercial designs, dim... Read more

Software Skills Adobe Photoshop & Illustrator - Magazine cover, postcards, ads, business icons, flyers, and etc. Autodesk AutoCAD (2008-2010) – 2D residential and commercial designs, dimensions, schedules, section views Architecture (2010) - 2D & 3D residential commercial designs, dimensions, schedules, section views, walk-through, layers Inventor 2008 – Bill of materials (BOM), Layouts, design, and drafting of mechanisms and machines using shafts, gears, fasteners, bushing, bearings, and couplings, Assembly drawings, Geometric dimensioning and tolerance 3ds Max 2008 & Windows Media – Fly-through of plans, renderings, video for Capstone presentation Microsoft Office Word (2003-2010) – Utilized for reports, research PowerPoint 2010 - utilized for presentation of Capstone Projects Excel 2010 - Listed and organized data for project reports Project Manager 2010 - Flow charts of assigned tasks for work projects                    RSMeans Data CostWorks – Utilized to create costs summary reports   ITT Technical Institute of Technology San Antonio, Texas 03/2008 – 06/2012 National Technical Honor Society 2008-2012, Treasurer, CDD “Distinguished Graduate” Award GPA 3.65 Associate of Applied Science in Computer Drafting and Design 03/2008-06/2010        GPA 3.60 Bachelor of Science in Construction Management 09/2010 – 07/2012                              

VLADISLAV SAZONOV Senior Mechanical Design Engineer | SolidWorks Expert | 8+ Years Experience Full-Cycle Product Design | Vacuum Systems | Scientific Equipment | CAD Automation 📧 ▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒... Read more

VLADISLAV SAZONOV Senior Mechanical Design Engineer | SolidWorks Expert | 8+ Years Experience Full-Cycle Product Design | Vacuum Systems | Scientific Equipment | CAD Automation 📧 ▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒ | 💬 ▒▒▒▒▒▒▒▒: @Chocolate233 📍 Yekaterinburg, Russia | 🌍 Open to Relocation within EU / Fully Remote ABOUT ME PROFESSIONAL SUMMARY Results-driven Mechanical Design Engineer with 8.5+ years of experience in full-cycle product development — from 3D conceptualization and engineering calculations to manufacturing, assembly, and commissioning. Proven expertise in designing complex scientific equipment (neutron research facilities, vacuum systems, explosion-proof enclosures) and industrial machinery. Key strengths: ✓ Full-cycle design: concept → 3D modeling → manufacturing drawings → production support → commissioning ✓ Advanced CAD: SolidWorks (Simulation, Sheet Metal, Weldments, VBA/API automation) ✓ Team leadership: managed design teams, developed corporate engineering standards ✓ Complex systems: vacuum chambers, explosion-proof (Exd) enclosures, hydraulic/pneumatic systems ✓ International standards: GOST/ESKD expert, adaptable to ISO/ASME/GD&T Seeking to leverage extensive engineering expertise in a dynamic international environment. CORE COMPETENCIES TECHNICAL SKILLS CAD & Software SolidWorks (Simulation, Sheet Metal, Weldments, VBA/API), KOMPAS-3D, MS Office, ERP (1C) Engineering & Design 3D Modeling, 2D Drafting, DFM/DFA, BOM Management, Tolerancing & GD&T, Prototyping, Material Selection Manufacturing Processes Sheet Metal Fabrication (Laser cutting, Bending), Welding (Aluminum/Steel), Machining (Milling), Assembly, Commissioning Specialized Expertise Vacuum Systems, Explosion-Proof (Exd) Enclosures, Hydraulic/Pneumatic Systems, Scientific Instrumentation Leadership & Management Team Leadership, Task Delegation, Project Planning, Client Relations, Corporate Standards Development LANGUAGES Russian — Native English — B1 (Intermediate) — Technical Reading & Correspondence Project: Explosion-Proof Dome Camera (Design Optimization) CHALLENGE Redesign an existing ceiling-mounted dome camera housing to reduce weight while maintaining all technical specifications and Exd certification (explosion-proof rating for hazardous environments). MY ROLE & RESPONSIBILITIES Conducted full design review and structural analysis of the original housing Redesigned the internal structure and mounting system using SolidWorks Simulation Optimized material thickness and geometry while ensuring the housing could withstand internal pressure >15 atm Maintained compliance with Exd certification requirements throughout the redesign process TECHNICAL SOLUTIONS Material: Aluminum profile with precision-machined seals Design approach: Topology optimization + FEA (Finite Element Analysis) to identify stress concentrations Validation: Simulated internal pressure loads to verify structural integrity KEY ACHIEVEMENTS ✓ 40% weight reduction without compromising strength or certification ✓ Reducing production costs by 30% ✓ Maintained Exd rating (explosion-proof enclosure for hazardous areas) ✓ Improved manufacturability and reduced material costs Project: Explosion-Proof Cylindrical Camera Housing (Exd Certified) CHALLENGE Design a cylindrical explosion-proof aluminum camera housing for use in hazardous areas (oil and gas, chemical production, mining). This housing meets ExD certification requirements and is capable of containing explosions within the housing without propagating into the atmosphere. MY ROLE & RESPONSIBILITIES Designed and coordinated the production of the aluminum profile Designed the complete enclosure assembly using explosion-proof joints and sealing elements to prevent explosion propagation Ensured compliance with Exd certification requirements (resistance to internal pressure >15 atm) Issued the design documentation and launched the product into production. TECHNICAL SOLUTIONS Material: Aluminum profile with precision-machined flanges Design features: Cylindrical housing with reinforced end caps Flameproof joints with controlled gap tolerances Cable entry glands with Exd-rated sealing Mounting bracket for wall/pole installation Validation: Designed to withstand internal pressure >15 atm without housing rupture KEY ACHIEVEMENTS ✓ Achieved Exd certification for use in Zone 1 and Zone 2 hazardous areas ✓ Robust design suitable for extreme industrial environments ✓ Modular assembly allowing easy maintenance and component replacement Project: Neutron Beam Monitor Control Rack CHALLENGE Design a modular control rack for neutron beam monitoring equipment with quick-disconnect connectors for rapid field deployment and maintenance at research facilities. MY ROLE & RESPONSIBILITIES Designed the complete rack assembly with integrated electronics compartments Developed a modular front panel system with standardized connector interfaces (RV422, RPV551, RPV501, RPV102 modules) Created full assembly drawings (ESKD standards) with detailed BOM and tolerancing Coordinated with electronics engineers to ensure proper cable routing and EMI shielding TECHNICAL SOLUTIONS Modular architecture: Plug-and-play connector system for rapid equipment swapping Material: Powder-coated steel frame with aluminum front panels Features: Ergonomic placement of components inside for ease of use KEY ACHIEVEMENTS ✓ Successfully deployed at Kurchatov Institute – PNPI neutron research facility ✓ Reduced equipment setup time by 60% through quick-disconnect design ✓ Full compliance with scientific instrumentation standards Project: Precision Neutron Polarizers & Analyzers CHALLENGE Design high-precision neutron polarizers and analyzers for fine-tuning neutron beam direction at research spectrometers. The devices must achieve precise angular alignment within 15 angstroms using specialized glass substrate packages with magnetic coatings. MY ROLE & RESPONSIBILITIES Designed four models of polarizers for various research stations Engineered precision positioning mechanisms for silicon substrate stacks Designed magnetic systems using ARMCO iron (10880) for field shaping Created adjustment devices for installing polarizers TECHNICAL SOLUTIONS Optical modules: Silicon substrates (0.15–0.3 mm thick) with coating Magnetic systems: Custom-shaped ARMCO iron yokes and pole pieces for uniform field distribution Performance specs: Transmission T > 40%, Polarization P > 95% across the full energy range KEY ACHIEVEMENTS ✓ Deployed at leading research centers: Kurchatov Institute, PNPI, ILL (IN3, IN2) ✓ Achieved >95% neutron polarization — critical for advanced scattering experiments ✓ Precision mechanical design enabling beam alignment Project: Position-Sensitive Detectors for Vacuum Beamlines CHALLENGE Design position-sensitive neutron detectors capable of operating inside vacuum beamline tubes with hermetically sealed electronics compartments and external air purge systems. MY ROLE & RESPONSIBILITIES Designed multi-chamber detector architecture: Front section: Sensitive detection elements exposed to neutron beam Middle section: Signal readout PCBs in controlled environment Rear section: Main electronics compartment, hermetically sealed with external air supply Engineered vacuum-compatible flanges and feedthroughs for electrical connections Created full assembly drawings and specifications (ESKD standards) TECHNICAL SOLUTIONS Vacuum compatibility: All materials selected for ultra-high vacuum (UHV) service Hermetic sealing: O-ring seals + welded joints for electronics compartment Purge system: External dry air supply to prevent condensation and maintain positive pressure Mounting: Direct integration into vacuum beamline tubes with CF/KF flanges KEY ACHIEVEMENTS ✓ Successfully operated in vacuum environments at neutron research facilities ✓ Hermetic electronics compartment with zero leakage over extended operation periods ✓ Modular design allowing integration into various beamline configurations Project: Integrated Vacuum Beamline Station CHALLENGE Design a neutron beam station consisting of vacuum collimation and detector tubes, an alignment table for sample placement, and electronics and water supply. MY ROLE & RESPONSIBILITIES Designed large-scale vacuum chamber system with two independent sections: Collimator tube: Neutron beam shaping and conditioning Detector tube: Housing for position-sensitive detectors Engineered precision alignment platform between sections for sample positioning Designed vacuum pipe sections with multiple electrical feedthroughs for detector signals and control systems Coordinated integration of all subsystems: polarizers, monitors, detectors TECHNICAL SOLUTIONS Large-scale fabrication: Welded vacuum chambers made of steel and aluminum Vacuum integrity: Control of welded joints according to GOST 3242-79 Electronics Vacuum Entries: Designed to be leak-proof using welds, bent tubing and reinforced hoses. KEY ACHIEVEMENTS ✓ The station is in the final stages of installation at the Kurchatov Institute National Research Center – PNPI ✓ Achieved base vacuum < 1×10⁻⁶ mbar with all feedthroughs installed ✓ Seamless integration of 5+ subsystems into unified experimental setup Project: Scalable Modular Detector System CHALLENGE Create modular, scalable sectors to replace large position-sensitive detectors. This allows for flexible configuration of the active zone's height by assembling standard modules. MY ROLE & RESPONSIBILITIES Developed modular detector concept with standardized interface geometry Designed stackable modules with precision features for repeatable assembly • Created a complete set of documentation for serial production of modules of two standard sizes. Engineered alignment pins and kinematic mounts for error-free module stacking TECHNICAL SOLUTIONS Modular architecture: Each module = active zone Positioning system: Precision-machined alignment pins and guide plate Scalability: Modules can be combined to create any rectangular active area Atmospheric operation: Designed for normal pressure (non-vacuum) applications KEY ACHIEVEMENTS ✓ Configuration: Possibility to assemble the required active zone ✓ Simplified logistics: Standardized modules reduce inventory and spare parts complexity ✓ Easy maintenance: Individual modules can be replaced without dismantling entire system Project: Hydraulic Valve Test Stand (20 atm / Flow Testing) Images and drawings are missing due to company policy. CHALLENGE Design a comprehensive hydraulic valve test rig for testing at 20 atm pressure and measuring flow characteristics using ultrasonic flow meters. MY ROLE & RESPONSIBILITIES Designed complete test stand layout including work table, pressure control block, and instrumentation Selected and specified all equipment: hydraulic pump, reservoir, ultrasonic flow meters, pressure gauges Engineered dual-circuit system: Circuit 1: Pressure testing (valve halves pressurized to 20 atm) Circuit 2: Flow measurement (ultrasonic meters at inlet/outlet to detect flow restrictions) Designed mechanical circuit switching mechanism and automated control system TECHNICAL SOLUTIONS Hydraulic pump + hydraulic accumulator, designed for continuous operation at 20 atm Flow measurement: Ultrasonic flow meters (non-invasive) for real-time flow rate monitoring Automation: PLC-based control system with automatic pump start/stop and data logging Safety: Pressure relief valves, emergency stop, and containment bunding KEY ACHIEVEMENTS ✓ Successfully tested 100+ hydraulic valves with 100% accuracy ✓ Detected internal flow restrictions with ±2% measurement uncertainty ✓ Automated testing reduced operator workload by 70% (Note: Project details limited due to defense industry confidentiality) Project: Automated Heat Shrink Removal Machine Images and drawings are missing due to company policy. CHALLENGE To design a fully automated machine to eliminate manual labor in the production process of removing shrink film from dies after the welding operation. MY ROLE & RESPONSIBILITIES Designed complete automation sequence: Cassette loader: Operator loads matrices into magazine Pneumatic feeder: Cylinder advances single matrix into calibration station Servo-driven carriage: Positions matrix for heat shrink removal Pneumatic gripper: Clamps matrix during removal process Ejection system: Finished parts automatically discharged to collection bin Selected all pneumatic components (cylinders, valves, FRL units) and servo motor Designed mechanical frame, guides, and safety enclosures TECHNICAL SOLUTIONS Pneumatic system: 3 cylinders for feeding and clamping Servo drive: Precise carriage positioning with programmable stroke length Automation logic: PLC-controlled sequence with cycle time optimization Safety: Light curtains, emergency stop, and interlocked guards KEY ACHIEVEMENTS ✓ Eliminated 100% of manual labor in heat shrink removal process ✓ Increased throughput by 300% compared to manual operation ✓ Reduced workplace injuries (no manual handling of hot/sharp components) (Note: Project details limited due to defense industry confidentiality) Project: CAD Automation: Custom SolidWorks VBA Tools I have developed a suite of custom VBA automation tools for SolidWorks to streamline engineering workflows, eliminate manual data entry, and enforce data consistency across design teams. Tool 1: Configuration Property Manager CHALLENGE Each detail is identified in the following manner (designation, name, section, developer, etc.) during the design phase. This information is currently used to fill in the key letters in drawings and formulas. The interface makes these operations faster. SOLUTION Developed a custom VBA UserForm with: Standardized input fields: Designation, Name, Section, Letter, etc. Drop-down lists for some data lists that are edited in a txt file One-click application of all properties specified in the form to the active configuration Multi-configuration support – batch update of all configurations in a single run ADVANCED FEATURE: Virtual Components Integration Implemented support for SolidWorks Virtual Components — a powerful technique that allows engineers to add BOM items (documentation, paint, hardware kits, spare parts, consumables) without creating physical .sldprt files. This dramatically reduces file management overhead in PDM systems. Use cases: Documentation packages (manuals, certificates) Paint and coating materials Sets of kits Spare parts sets Lubricants and consumables KEY ACHIEVEMENTS ✓ Reduced property entry time by 85% (from 10 min/part to 1.5 min) ✓ Eliminated data entry errors — 100% consistency across all drawings ✓ Reduced PDM database size by 30% (fewer virtual part files) ✓ Enforced company naming standards automatically Tool 2: Automated BOM Generator & Excel Export CHALLENGE Manually generating bills of materials (BOMs) for complex assemblies took 2+ hours per project and was prone to human error, especially when working with a large number of assembly executions. SOLUTION Developed a VBA macro that: Traverses the entire assembly tree and extracts all component properties Reads data from the BOM table and generates a bill of materials (BOM) from the obtained information Distributes elements into sections. Within the sections, the order is in accordance with the Unified System for Design Documentation (ESKD). Exports structured data to Excel with custom formatting and formulas Works with single and group BOMs. It is possible to select versions when generating a BOM Creates an Excel file in the drawing folder with the correct name If the number of versions in the standard BOM form is exceeded, an additional document with the remaining versions is created KEY ACHIEVEMENTS ✓ Reduced BOM generation time from 2 hours to 5 minutes (96% time savings) ✓ Processed 10+ configurations simultaneously ✓ Zero manual data entry — eliminated transcription errors ✓ Exported Excel files ready for ERP integration (1C, SAP) BUSINESS EFFECT These automation tools have been implemented across the design team and have yielded measurable ROI: 70% reduction in documentation preparation time 95% reduction in data entry errors Estimated savings of 400+ engineering hours annually Improved compliance with corporate engineering standards Project: Automated Explosion-Proof Enclosure Calculator (Python) CHALLENGE Manual calculation of explosion-proof enclosure (Exd) dimensions, material requirements, and cost estimation was time-consuming and error-prone. Engineers had to manually calculate each new product version: Component dimensions based on internal volume requirements Material weight and cost for stainless steel, aluminum, and carbon steel variants Flange specifications, bolt patterns, and sealing surfaces Compliance with Exd certification requirements (pressure resistance >15 atm) MY ROLE & RESPONSIBILITIES Developed an automated calculator initially in Excel VBA, then migrated it to Python for expanded functionality and ease of use. Implemented parametric calculations for custom enclosure configurations. Created logic for selecting sheet thicknesses and sizes for product manufacturing based on calculated data and material property parameters. Created a calculation form in DOC format to expedite the process of coordinating product dimensions with customers. TECHNICAL SOLUTIONS Programming: Excel VBA → Python (Tkinter GUI) Input parameters: Internal dimensions (A×B×H), material type, wall thickness Automated calculations: Component dimensions (cover, base, flanges, side walls, mounting plates) Weight calculation for each component Estimation of the cost of materials based on the purchase prices of materials Internal volume and surface area Output: Detailed component table with dimensions, weight, quantity, and cost Export: Save results to Word document for quotation preparation KEY ACHIEVEMENTS ✓ Reduced calculation time from 60 minutes to 2 minutes (98% time savings) ✓ Eliminated manual calculation errors — 100% accuracy in quotations ✓ Enabled rapid response to customer inquiries — same-day quotations ✓ Calculator still in active use at TPP Spektron for sales and engineering teams ✓ Supports 3 material variants: stainless steel, aluminum, carbon steel BUSINESS IMPACT: These automation tools have been deployed across the design team and delivered measurable ROI: 70% reduction in documentation preparation time 95% decrease in data entry errors Estimated 400+ engineering hours saved annually Improved compliance with corporate engineering standards LET'S CONNECT VLADISLAV SAZONOV Senior Mechanical Design Engineer 📧 Email: ▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒ 💬 ▒▒▒▒▒▒▒▒: @Chocolate233 📍 Location: Yekaterinburg, Russia 🌍 Mobility: Open to relocation within EU / Fully remote positions WHAT I'M LOOKING FOR Senior Mechanical Design Engineer roles in international companies Full-time, part-time, or project-based opportunities Remote or relocation within European Union Industries: Scientific instrumentation, vacuum systems, industrial machinery, medical devices, automotive, aerospace AVAILABLE FOR IMMEDIATE START

I am a Mechanical Engineer specializing in Computational Fluid Dynamics (CFD), thermal analysis, and mechanical design, with hands-on experience in engineering simulations and design development. My... Read more

I am a Mechanical Engineer specializing in Computational Fluid Dynamics (CFD), thermal analysis, and mechanical design, with hands-on experience in engineering simulations and design development. My primary expertise is in ANSYS Fluent, with experience in data center cooling assessments, HVAC airflow and thermal analysis, fan simulations, heat transfer, and ventilation performance evaluation. In addition to CFD, I have practical experience in SolidWorks for 3D modeling and mechanical design, as well as air cooling system design. I am also expanding my capabilities in Revit and BIM applications. My engineering approach combines numerical simulation, practical design knowledge, and analytical problem-solving to evaluate performance, optimize designs, and develop effective engineering solutions. I am committed to delivering technically sound results, clear engineering reports, and professional communication throughout every project.

Objective: Continuous Improvement of Manpower, Engineering & Material management to achieve highest quality, safety, return in design, construction, installation, commissioning, operation & maintenan... Read more

Objective: Continuous Improvement of Manpower, Engineering & Material management to achieve highest quality, safety, return in design, construction, installation, commissioning, operation & maintenance of the plant/factory/engineering services. Skills: Power Plant Management, Project Management, Contracts & Agreements, Expert in Operation & Maintenance of power plant, Expert in Power plant design, Expert in electrical equipment sizing & electrical design, Expert in Gas Engine Based/ HFO Engine Based/ Duel Fuel Based/Steam Turbine Based/Gas Turbine Based power plant, Experienced in oil processing plant, Gas processing plant, Gas regulating & processing plant, Very good communication ability, Innovative, Hardworking, Cost conscious, Quality conscious, OHES awareness. Details of Professional Experiences: i) a) Employer : WARTSILA Bangladesh Ltd. b) Position :Senior Superintendent Engr.(Electrical)/Electrical Advisor c) Responsibilities : 1) Supervision of the operation of the WARTSILA HFO Engines (6x8.924MW DFEG/WV2032)& auxiliaries. 2) Supervision of breakdown & schedule electrical maintenance of the WARTSILA Engines of the 50MW power plant. 3) Executing OJT on operation & electrical maintenance of the Engines & Auxiliaries of the power plant. 4) Preparation of warranty feedback for the 50MW power plant regarding electrical related problems. 5) Advise on improvement & troubleshooting of the engine & auxiliary equipment problems. d) Duration : From 14.09.11 to till date. ii) a) Employer : Barakatullah Electro Dynamics Ltd. b) Position : Plant Manager c) Responsibilities : 1) Manpower management of the 50MW power plant (19x2.92MW GEG, maker- Jenbacher) . 2) Material management of the 50MW power plant. 3) Management of maintenance & operation of 51MW power plant comprised of GEG ‘s of Jenbacher. 4) Manage to execute & maintain the ISO documents of the power plant. d) Duration : From 03.08.11 to 12.09.11 iii) a) Employer : Ananda Shipyard & Slipways Limited b) Position : Deputy General Manager (Electrical) c) Responsibilities: 1) Managing manpower of the electrical department. 2) Managing materials/equipments of the electrical department. 3) Managing electrification of Ships under construction. 4) Managing breakdown & schedule maintenance of the yard machineries. d) Duration : From 02.05.11 to 31.06.11. iv) a) Employer : Energypprima Limited b) Position : Plant Manager c) Responsibilities : 1) Managing the manpower of the 20MW power plant under construction. 2) Managing the purchasing of the additional material/equipments required for the Gas Engine Generators.(3x3.3MW DEUTZ, 5x2.1MW WARTSILA GEG ,2x2.8MW NIGATA GEG). 3) Managing the supervision of erection of the necessary civil works, Engine auxiliaries, piping, fans, cabling, air-compressors, pumps, air intake filters, silencers, cooling towers, engine gas modules, Piping from gas engines & Metering, Power Transformers 2x15MVA, Switch-gears, of the 20MW Power plant. 4) Managing the modification of old electrical control panels like M.C.C, GCP. 5) Engagement of erection contractors for the auxiliaries. 6) Managing the commissioning of the 3x3.3MW Deutz GEG, Switchgears, 2xStation Transformers,2xPower Transformers, GAS RMS, Gas Modules, Air Compressors. 7) Supervision of breakdown maintenance of plant equipments. 8) Preparation of contracts, agreements, monthly budgets, necessary documents & reports. 9) Managing the allocated supply of sanctioned gas for the power plant. 10)Managing the Industry Inspection pass certificate. d) Duration : From 18.08.09 to 31.03.11. v) a) Employer : GBB Power Limited,24MW Bogra Rental Power Plant. b) Position : Deputy General Manager. c) Responsibilities : 1) Managing the manpower of the 24MW Rental power plant (6x3.86MW DEUTZ Engine TCG2032). 2) Managing the smooth operation & maintenance of the power plant. 3) Improvement of the Plant Systems of 24MW Gas Engine based power plant comprised of 6x3.86MW GEG. 4) Managing the Testing /commissioning of the 35MVA, 11/33KV Transformer,2x 1.6MVA station Transformers. 5) Managing the Testing/Commissioning of the six no. DEUTZ Gas Engine generators, Gas RMS,Air-Compressors,. 6) Preparation of monthly budget, employee assessment, training & development of the operation & maintenance manpower. 7) Trend analysis & decision making in operating the power plant. 8) Trouble shooting of the Engine & electrical equipment problems. 9) Arrangement of timely execution of preventive maintenance of the plant equipments. 10) Managing the documentation of the tests & commissioning reports. 11) Managing the schedule spares, consumable spares, breakdown spares in time. d) Duration : From 12.02.08 to 17.06.09. vi) a) Employer : Al-Toukhi Industry,Trading & Contracting,KSA. b) Position : Electrical Engineer. c) Responsibilities: 1) Supervision of installation & commissioning of the H.V/ L.V Switch-Gears, Generator, Battery Chargers, Lighting system for the 65MW Gas Turbine Power Plant. d) Duration : From 22.06.07 to 10.12.07. vii)a) Employer : RAAD Technologies & Consultants b) Position : Managing Director c) Responsibilities: 1) Electrical design of commercial buildings & shopping center. 2) Design of CNG Filling Station. d) Duration : From May 2005 to June 2007. viii)a) Employer : H.P Chemicals Ltd. b) Position : Electrical Engineer. c) Responsibilities: 1) Verification of the electrical design &Finalizing of the single line drawing of the power plant distribution system. 2) Design of dormitory electrification. 3) Arrange & execute the commissioning of the captive power plant (1x 1.3MW DEUTZ Gas & 1x612 KW DEUTZ Diesel engine ) 4) Purchasing of additional electrical materials/equipments like cables, switchgears, PFI plant, earthing pipes, lights, Circuit Breakers, Panels, lighting poles, ventilation fans. 5) Design, Supervision of installation & commissioning of lighting system. 6) Arrange to perform the maintenance of Motors/Generators, Switchgears. 7) Managing the smooth operation of the power plant. d) Duration : From October 2003 to April 2005. ix)a) Employer : Technics Offshore Engineering Pte Ltd, Singapore. b) Position : E & I Engineer. c) Responsibilities : 1) Electrical Design /Instrument specification data sheet/hook up drawing/heat tracing/loop diagram/cable sizing& quantity verification. 2) Purchasing of Instruments like PG,PT,TT,TI,FT,LT,LG,PS,TS,LS,CV,SDV for the oil processing plant PIG Launcher, Metering Station, Mud gas separator & other small skids of 14no.s. 2) Purchasing of electrical materials like cables, junction boxes, Accessories, heat tracing system. 3) Supervising installation of Instruments, tubing, cable laying, cable termination of all the 14 skids.. 5) Engagement of Subcontractors for electrical & instrumental works for the oil processing plant skids. 6) Verification of the documentation of the project. d) Duration : 04.06.01 to 23.12.02. x) a) Employer : Sembawang Shipyard Pte Ltd.,Singapore b) Position : Electrical Foremen. c) Responsibilities : 1) Supervising the new installation Fire Protection, Gas Detection, V-Sat, Gyro Systems. 2) Maintenance/Overhauling of shipboard electrical equipments Generators, Motors, Switchgears 3) Instrumental installation work for FPSO in the topside modules. 4) Re-establishment of electrical part of shipyard crane. 5) Maintenance of the Biggest Power saw of the yard. 6) Engagement of Sub-contractors. 7) Documentation of the ship electrical systems for the new installation d) Duration : From July 1999 to May 2001. xi) a) Employer : Karnaphuli fertilizer Company Ltd. b) Position : Asstt. Engineer (Maintenance). c) Responsibilities : 1) Performing Operation of 25 MW Power Plant (2x10MW steam Turbine Generator ,1x4MW Duel Fuel Engine Generator, 1x1MW Diesel Engine Generator) as assistant shift in charge. 2) Maintaining the Log sheet of the Generators. 3) Trend analysis of the Generators, Turbines & Engines. 4) Experienced the installation, testing& commissioning of the Captive power plant of 25MW d) Duration : From 28.07.1993 to 03.04.1999. Professional Trainings : Sl no. Name of the Course Name of the Institute Duration 1 Electrical Equipments & Systems Maintenance T.I.C.I(Training Institute of Chemical Industries) 06 Months 2 Automatic Process Control & Sequential Logic Operation. T.I.C.I(Training Institute of Chemical Industries) 02 Weeks 3 H2O2 Electrical System Heilong Jiang Chemical Group Co. Ltd,China 02Weeks 4 H2 Plant Electrical System Sichuan Alley High Tec Co. Ltd, China. 02Weeks Computer Skill : MS-WORD, EXCEL,MS-Project, AUTOCAD. Membership: Fellow of Institute of Engineers Bangladesh. Educational Profile : Name of Exam Year Group Division & Marks Obtained Board / University H.S.C 1986 Science 1st Div(Star),750(out of 1000) Rajshahi Board,Bangladesh B.Sc Engineering 1992 October Electrical & Electronic 1st Class 3rd,CGPA-3.32(out of 4.0) Bangladesh Institute of Technology, Rajshahi,Bangladesh Personal Information: Name: Md.Ashraful Arifin Fathers Name:Late Md.Khatib Uddin Mothers Name: Mrs.Asfia Begum Contact Telephone: Cell:+8801715116985/+8801755563873 ▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒ Present Address:C/O-Banshbari,Ruppur,Sahjadpur,Sirajgonj. Permanent Address: Newjummapara,Rangpur Date of Birth:01-01-1969 Religion: Islam Nationality: Bangladeshi Marital Status: Married Qualification: B.Sc Engr.(EE) Profess. Experiences: 18Years __________________________ Engr. Md.Ashraful Arifin B.Sc in Engg.(E&E) FIEB