Design Engineer

Role & responsibilities

• Perform detailed mechanical design and engineering for WTP, WWTP, ETP, STP, SWRO, and BWRO projects.
• Design and optimize RO/NF membrane systems using ROSA, IMSDesign, or equivalent software.
• Develop process flow diagrams (PFDs), piping and instrumentation diagrams (P&IDs), general arrangement (GA) drawings, and fabrication drawings.
• Perform hydraulic calculations, pipe sizing, pump sizing, head loss calculations, and NPSH analysis.
• Select and size pumps, blowers, diffusers, mixers, valves, filters, membranes, and other mechanical equipment.
• Design and develop mechanical systems for MBBR, MBR, SBR, ASP, UF, MMF, and other treatment technologies.
• Support the design of Zero Liquid Discharge (ZLD) and Minimum Liquid Discharge (MLD) systems, including RO, MEE, and ATFD.
• Prepare equipment datasheets, technical specifications, BOQs, material specifications, and vendor enquiry documents.
• Prepare piping layouts, equipment layouts, tank drawings, pressure vessel drawings, and skid fabrication drawings.
• Review vendor drawings, technical offers, and equipment specifications.
• Coordinate with process, electrical, instrumentation, procurement, and project execution teams.
• Ensure design compliance with applicable project specifications, engineering standards, and environmental regulations.
• Provide engineering support during fabrication, installation, commissioning, and troubleshooting.

Preferred candidate profile

• Strong knowledge of water and wastewater treatment plant design and mechanical engineering.
• Hands-on experience with AutoCAD 2D/3D and SolidWorks.
• Knowledge of RO membrane design and simulation tools such as ROSA, IMSDesign, or equivalent.
• Experience in hydraulic calculations, pump and blower sizing, piping design, and equipment selection.
• Good understanding of PFDs, P&IDs, GA drawings, fabrication drawings, and equipment datasheets.
• Familiarity with WTP, ETP, STP, WWTP, SWRO, BWRO, UF, MBR, MBBR, SBR, ASP, and ZLD systems.
• Knowledge of applicable ASME, IS, CPCB, and relevant project standards.
• Good communication, coordination, problem-solving, and technical documentation skills.