Firdaus S.

Experience

• Mechanical Design Engineer PT Gerbang Saranabaja · Full-time Sep 2012 – Aug 2023 10 yrs 11 mos Jakarta, Indonesia As a key member of the engineering team in a fabrication company, I specialize in mechanical design, compliance with international codes, and finite element analysis (FEA) for pressure equipment, storage tanks, and structural systems. My expertise spans metallurgy, welding standards, fabrication procedures, and construction codes (ASME, API, TEMA) to ensure safety, efficiency, and regulatory compliance.
  Key Responsibilities :
  • Pressure Vessel & Heat Exchanger Design: Led the mechanical design calculations for pressure vessels and heat exchangers, using Codeware COMPRESS software to determine key specifications, including plate & tube thickness, pipe schedules, and flange ratings. I ensure all designs meet ASME Section VIII Div. 1 & 2 standards for pressure vessels and TEMA codes for heat exchangers, alongside client-specific requirements.
  • Storage Tank Design: Conducted mechanical design calculations for storage tanks using Technosoft AMETank software, assessing tank shell and roof specifications and determining the need for additional attachments such as wind girders, anchorage, and venting. All designs comply with API-650, API-12F, or AWWA D-100 standards, as well as client specifications.
  • Seismic & Windforce Analysis: Responsible for determining seismic and wind force factors for equipment installation based on actual site parameters, using ASCE or UBC methods. This includes assessing factors such as site classes, seismic categories, wind velocity, and importance factors, ensuring equipment is designed to withstand natural disasters.
  • Finite Element Analysis (FEA): Regularly conducted FEA for various mechanical equipment, including structural skids, supports, and lifting spreader bars, utilizing Autodesk Inventor. I compare results with AISC (American Institute for Steel Construction) design manuals to optimize equipment size and specifications, ensuring safety and efficiency.
  • Successfully developed a manual buoyancy calculation (based on Archimedes’ Principle) for an External Floating Roof Storage Tank (43T-4), securing approval from PT Pertamina RU-IV (Cilacap)—a first-of-its-kind solution for the company.
  • Generate, reviewed and modified P&IDs, 3D models, piping plans, isometrics, fabrication details, and erection/shipping plans to align with project requirements.
  • Collaborated with drafting, fabrication, and inspection teams to ensure design accuracy and compliance.
  • Led the preparation of engineering documents and fabrication procedures for ASME Authorized Inspectors, contributing to the successful renewal of the company’s ASME certification.
  • Served as a proposal engineer, preparing technical bid documents and assisting the marketing team with engineering scope definitions.
  • Provided post-bid technical supervision and advisory support during project execution.
  • Generated Material Requisition Lists (MRL) and Purchase Material Specifications (PMS), coordinating with PPIC and Purchasing to ensure material accuracy and compliance.
  • Design & Drafting: Produced high-quality mechanical drawings, including General Arrangements, Design Data, Fabrication Sequences, and detailed fabrication packages in compliance with ASME Section VIII Div.1, API-650, API-12F, AWWA D-100, and ASME B31.3/B31.1 standards.
  • Pressure Vessels & Heat Exchangers: Developed fabrication-ready drawings, including Welding & NDE Maps, Dimensional Tolerances, and Bill of Materials (BOM), ensuring adherence to ASME Pressure Vessel Handbook guidelines.
  • Storage Tanks: Designed structural components (columns, rafters, stairs, platforms, handrails) and erection sequences for storage tanks, following API-650/API-12F standards.
  • Piping Systems: Drafted Piping Plans, Isometrics, Weld Joint Details, and Pipe Supports based on stress analysis and P&ID requirements.
  • Skid & Structural Drafting: Created detailed drawings for skids, platforms, railings, ladders, columns, rafters, steel structures, and pipe racks, ensuring constructability and safety compliance.
  • Sheet Metal : Generate sheet metal patterns using Autodesk Inventor to provide an accurate drawings for sheet metal fabrication.
  • Project Support: Assisted engineering teams with troubleshooting, hand sketches, and as-built drawings to resolve on-site fabrication and erection challenges.
  • Quality Assurance: Ensured all drafting practices followed ASME Y14.5 standards for dimensioning and tolerancing.
  • Client Liaison & Project Oversight: Served as the principal engineer in technical meetings with clients, ensuring effective communication during bidding, fabrication, and project completion. I provided technical guidance throughout the project lifecycle.
• Plumbing Designer PT Sapujagad Jatiperkasa · Contract Oct 2011 – Aug 2012 10 mos Jakarta, Indonesia As a Field Engineer specializing in Mechanical, Electrical, and Plumbing (MEP) for building construction projects, I ensured the seamless execution of plumbing systems by refining consultant-provided designs to optimize equipment selection, system applicability, and fault-free installations.
  Key Responsibilities :
  • Design & Implementation: Developed System Installation Schematics, including piping routing, equipment layouts, installation details, and piping isometrics, ensuring compliance with project specifications.
  • Material & Procurement Management: Compiled bill of materials (BOM) for procurement and maintained as-built drawings upon project completion.
  • Cross-Disciplinary Coordination: Collaborated with Civil Engineers, Architects, and Mechanical Contractors to resolve installation clashes and preempt construction-phase conflicts through composite design reviews.
  • Progress Reporting: Regularly updated project managers and main contractors with progress reports to ensure alignment with timelines and deliverables.
  By integrating technical expertise with proactive problem-solving, I contributed to efficient project execution while maintaining design integrity and construction quality.
• Mechanical Draftsperson PT Fantasi Rekasembada · Full-time Aug 2010 – Aug 2011 1 yrs Bekasi, West Java, Indonesia As the part of Engineering Team, I was responsible for driving innovative solutions to meet the diverse needs of industrial machinery and wastewater treatment plants. This role provided the opportunity to take ownership and dive deeper into engineering challenges, with every idea being valued for its contribution to problem-solving.
  Key Responsibilities :
  • Responsible the mechanical design phase for a range of manufacturing industry machinery, including centrifugal blowers, bucket elevators, filling machines, filter presses, cargo lifts, compressors, and flood pumps, many of which were essential for public government services.
  • Spearheaded technical preparations for wastewater treatment plant projects, which included developing PFDs (Process Flow Diagrams), plot plans, detailed drawings, pipe supports, de-aerator joints, blower room installation, and control panel layouts for electrical automation.
  • Created freehand sketches of design concepts and transferred them onto designated papers for blueprint reproduction.
  • Managed material take-off for project bidding, ensuring accurate bill of materials for purchasing, and performed quality checks before releasing to the fabrication department.
  This role sharpened my skills in project management, design execution, and cross-functional collaboration, while enhancing my understanding of industrial systems and wastewater technologies. It provided me with invaluable experience and insight into the engineering process, from initial design concepts to final implementation.
• Value Analyst & Engineering PT Mekar Armada Jaya · Full-time Apr 2008 – Aug 2010 2 yrs 4 mos Bekasi, West Java, Indonesia As a key contributor to a leading automotive stamping manufacturer in a highly competitive industry, I directly report to the President Director, delivering precision-driven cost estimations and strategic insights to secure repeat business and long-term client contracts. My role involves rigorous analysis of stamping tool costs—including dies, gauges, and checking fixtures—alongside manpower, utility expenses per stroke, and dynamic exchange rate fluctuations to optimize pricing while maintaining profitability. Success in this fast-paced environment demands accuracy, speed, and adaptability to meet tight deadlines and win critical "repeat order" contracts.
  Key Responsibilities :
  • Cost Estimation & Project Development: Spearheaded end-to-end cost analysis for stamping equipment projects, from die fabrication and prototype trials to mass production, ensuring competitive pricing and feasibility.
  • Quotation & Bid Management: Calculated, reviewed, and refined project quotations based on design specifications, collaborating with the Engineering Manager and Director to finalize winning bids.
  • Financial Forecasting: Monitored and reported monthly currency exchange trends against material purchase forecasts, enabling data-driven decisions for mass production planning by the Finance Department and Director.
  • Production Performance Analysis: Compiled and analyzed monthly production reports to evaluate departmental efficiency, supporting leadership in forecasting and operational strategy.
  • Client-Centric Process Integration: Collaborated cross-functionally to align workflows with new client standards, ensuring compliance and seamless project execution.
  • ISO 14001 Certification: Actively represented the Engineering Department in achieving and maintaining ISO 14001 certification, reinforcing commitment to environmental and quality standards.
  With a sharp eye for detail and a strategic approach to cost optimization, I thrive in high-stakes environments where precision and efficiency drive business success. My expertise lies in bridging technical, financial, and operational demands to deliver winning solutions in the competitive automotive stamping sector.