About
Senior Mechanical CAD Designer with over 30 years of experience in oil & gas, industrial, and plant design projects in Saudi Arabia. Specialized in 3D piping modeling using PDMS, CADWorx and AutoPlant 3D, with strong expertise in P&ID, isometrics, equipment layout, and detailed fabrication drawings. Experienced in delivering accurate, clash-free models and construction drawings for EPC projects. Known for reliability, fast turnaround, and high-quality drafting standards. Committed to meeting deadlines and supporting engineering teams from concept to as-built.
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Experience
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Senior CAD Designer
Water Power Engineering · Full-time
Jul 2023 –
Present
2 yrs 7 mos
Al Khobar, Eastern Province, Saudi Arabia
• As a Senior CAD Piping Designer specializing in Water Treatment Plants (WTP) and Sewage Treatment Plants (STP), I am responsible for producing accurate piping designs and electrical/mechanical shop drawings using intelligent 3D design software such as CADWorx, Auto Plant 3D and Navisworks. My role supports efficient project planning, coordination and execution
• Key responsibilities include preparing quantity take-offs (BOQ) for mechanical and electrical components to aid in project estimation and budgeting. I develop detailed piping isometric drawings that clearly depict layouts, dimensions and specifications necessary for fabrication and installation.
• I produce detailed shop drawings ensuring compliance with project standards and quality assurance protocols. Using CADWorx and Auto Plant 3D, I generate intelligent 3D piping and equipment models to facilitate coordination and early design validation. I conduct clash detection and design coordination through Navisworks to identify and resolve conflicts, preventing delays during construction.
• Collaboration is vital in my work, as I coordinate closely with engineers, project managers to ensure deliverables meet technical, operational, and safety requirements. I also prepare as-built drawings reflecting final installed conditions, critical for project
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Senior Piping Designer
EXON TECH LTD. · Full-time
May 2020 –
Jun 2023
3 yrs 1 mos
NCR, Philippines
• Perform detailed pipe, equipment, and structural modeling and tracing utilizing AVEVA PDMS based on the existing infrastructure of the Collombey Tamoil Refinery Central in Switzerland, ensuring accuracy and compliance with project standards.
• Design, configure, and manage catalogues and specifications (“Cats and Specs”) to enable smooth AVEVA PDMS import and to incorporate advanced plant intelligence into 3D models generated from various design platforms.
• Serve as the primary client liaison to gather, clarify, and coordinate essential information within P&IDs, catalogues, and specifications, ensuring the 3D models include the required level of intelligence and detail in line with project specifications.
• Conduct thorough quality assurance (QA) checks on all deliverables before client submission to guarantee quality, precision, and full compliance with project requirements and standards.
• Provide ongoing support to clients, enabling them to effectively administer and maintain catalogue and specification setups after project delivery, promoting long-term usability and seamless model management.
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Senior CAD/PDMS Designer
VEOLIA WATER SOLUTIONS AND TECHNOLOGIES · Full-time
Apr 2013 –
Aug 2019
6 yrs 4 mos
Riyadh, Riyadh Province, Saudi Arabia
• Produce detailed drawings based on final P&IDs and client-approved equipment submittals, including plot plans, layouts, general arrangements, fabrication details, civil drawings, schedules, electrical diagrams, and piping isometrics with bills of materials. Models are created in 3D using AVEVA PDMS/CADWorx and extracted into 2D drawings such as plans, elevations, sections, and perspectives, ensuring high-quality technical illustrations and accurate construction documents.
• Implement client-specific standards and organize advanced training programs to improve PDMS/CADWorx output quality and efficiency by guiding co-draftsmen in specialized 3D piping techniques.
• Assist in developing conceptual layouts to final designs for Water Treatment Plants (WTP), Sewage Treatment Plants (STP), and Wastewater Treatment Plants (WWTP), including equipment skids and plant facilities for Aramco and other Ministry projects.
• Coordinate with CAD Manager, Senior Design Engineer, and design teams on conceptual and final designs, fabrication details, and support for projects in Riyadh, Dammam, and Jeddah, ensuring efficient project completion.
• Provide technical and design support for wastewater, sewage, and water treatment projects, producing General Arrangement Drawings, Civil Outlines, Isometric Piping
• Details (ISOGEN/ISODRAFT), and Fabrication Drawings for platforms, tanks, pressure vessels, RO skids, pipe supports, gratings, handrails, and ladders.
• Complete design tasks within budget and schedule while maintaining quality standards.
• Prepare Bills of Quantities and cost estimates for WTP and STP projects.
• Detail design tanks and pressure vessels in PDMS/CADWorx according to project specifications.
• Produce drawings and sketches as needed, incorporating client requirements accurately.
• Prepare as-built plans for final turnover.
• Perform administrative tasks using MS Word and Excel to support project documentation and reporting.
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Plumbing CAD Draftsman
SAUDI OGER LTD · Full-time
May 2009 –
Sep 2012
3 yrs 4 mos
Riyadh, Riyadh Province, Saudi Arabia
• Prepare precise and comprehensive shop drawings for Plumbing and Fire Fighting systems, ensuring full compliance with project specifications, codes, and industry standards.
• Develop detailed Bills of Quantities (BOQ) for Plumbing and Fire Fighting works to support accurate cost estimation and effective budget control.
• Conduct thorough review of submittals involving architectural, piping, and plumbing revisions, enforcing strict adherence to project requirements and applicable standards.
• Perform rigorous field inspections, evaluations, and technical audits to verify that installed systems conform to approved drawings and meet quality standards.
• Analyze project challenges and work restraints, providing well-reasoned recommendations and procedural solutions to facilitate seamless and efficient execution.
• Review and validate mechanical shop drawings from subcontractors for Plumbing and Fire Fighting disciplines prior to submission to consultants for final approval, ensuring accuracy and compliance.
• Prepare detailed as-built plans that accurately capture all completed work, facilitating smooth project closeout and turnover to clients. Prepare as-built plan for final turn-over.
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Electro-Mechanical Draftsman
Danway Qatar · Full-time
Feb 2004 –
Mar 2008
4 yrs 1 mos
Qatar
• Employed as an Electro-Mechanical Draftsman in a company certified with ISO 9001:2000, ensuring adherence to quality management standards.
• Conduct actual site inspections and develop accurate as-built drawings reflecting on-site conditions.
• Prepare sketch drawings for mechanical and electrical systems for final design and detailing, ensuring compliance with project specifications and industry standards.
• Create detailed shop drawings for cable tray layouts, supports, duct layouts, trenches, and electrical equipment installations for Motor Control Centers (MCC) and 33/11kV substations.
• Develop detailed shop drawings for piping supports, fabrication details, and structural supports related to mechanical equipment.
• Assist engineers by verifying and reviewing material specifications and drawings prior to submission for consultant approval.
• Perform administrative and documentation tasks efficiently using MS Excel and Word.
• Produce mechanical and electrical shop drawings including:
• Mechanical: Sewage Pumping Station pipe works, Surge Vessel and Penstock installation details, Fire Pumping Station piping, Potable Water Station pipe works, 800 KVA Generator bulk fuel tank piping.
• Electrical: Cable routing for 33/11kV substations and MCC buildings, power and control cable routes, earthing layouts, fire alarm systems, telephone and street lighting, general lighting, and small power layouts.
Education
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Manuel L. Quezon University
Bachelor of Science, Mechanical Engineering, Undergraduate – No final grade
1993 – 1997
Activities and Societies:
Academic coursework related to mechanical engineering fundamentals and drafting.
Undergraduate in Mechanical Engineering with strong foundation in drafting and mechanical concepts, complemented by 30 years of hands-on industry experience.