Mechanical Design Engineer

Role overview

Design and engineering responsibilities

• Design sewage treatment plants, sewage pump and lift stations, process systems, odor-control systems, and associated piping and mechanical systems.
• Design treatment processes including activated sludge, membrane bioreactors, moving bed biofilm reactors, containerized units, and package plants.
• Develop treatment components such as screening and grit chambers, settling tanks, clarifiers, aeration equipment, chlorination, sludge handling, and dewatering systems.
• Design potable water, irrigation, stormwater, and wastewater pumping stations with associated piping and mechanical systems.
• Engineer piping and pipelines; prepare drawings, layouts, isometrics, material takeoffs, and selections and sizing for pumps, pipes, tanks, wet wells, and valves.
• Develop system curves, calculate pumps, and coordinate pump selection with vendors.
• Produce HVAC and ventilation designs and fire-protection designs; review HVAC, ventilation, and chilled-water systems.
• Evaluate physical and CFD modeling of wet wells and pump intake designs.

Documentation, reviews, and commercial support

• Prepare specifications, technical data sheets, process diagrams, material requisitions, testing and commissioning procedures, and O&M manuals.
• Evaluate tender submissions, prepare bidder queries and technical tender evaluation reports, and contribute to contract documents.
• Estimate mechanical and process equipment costs and support effort, cost, and bid submissions.
• Review mechanical, process, and piping drawings for compliance; check commissioning procedures and review O&M manuals.
• Interpret technical drawings and proposals; assess design feasibility, cost, and maintenance requirements; support troubleshooting, testing, and inspections.
• Specify system components or recommend design modifications to meet performance requirements and address malfunctions.

Required qualifications and experience

• Bachelor's degree in Mechanical Engineering or a related discipline from an accredited university.
• At least five years of experience, preferably in sewage pump station and major utility building design for infrastructure works.
• Experience with pipe sizing and hydraulic calculation software.
• HVAC calculation and Revit model review experience.
• Proficiency in wet-well CFD modeling and experience in piping stress analysis.

Desired experience

• Experience on TAQA-WS, TAQA-D, TAQA-T, developer, or ADM projects is preferred.
• Candidates with relevant GCC experience are welcomed.