Senior Process Design Engineer

Roles And Responsibilities

• Develop process flow diagrams (PFDs) and piping & instrumentation diagrams (P&IDs) for custom-designed membrane treatment systems
• Design and size RO/NF and UF/MF systems along with potential ancillary equipment
• Prepare detailed process calculations, including flow, pressure, chemical dosing, and membrane performance
• Support project estimators by reviewing technical offers and design basis documents
• Provide process input for cost estimation, bill of materials, and project scheduling
• Perform process simulations and modeling using tools such as manufacturer’s proprietary design software or in-house calculation tools
• Collaborate with mechanical and electrical engineers to ensure correct integration of process, instrumentation, and control systems
• Review and approve vendor and subcontractor technical documentation
• Support factory acceptance testing (FAT), site acceptance testing (SAT), commissioning, and troubleshooting of systems
• Ensure all process designs comply with client specifications, applicable codes (AWWA, ASTM, ISO), and environmental regulations

Required Qualifications

• Bachelor’s degree in Mechanical Engineering, Chemical Engineering, Environmental Engineering or Process Engineering (Master’s preferred)
• 7+ years of experience in process design for membrane treatment equipment manufacturing
• Strong understanding of water chemistry, membrane technologies (RO, NF, UF, MF), and conventional treatment processes
• Proficiency in process simulation and design tools
• Knowledge of relevant design standards
• Ability to travel up to 10%

Preferred Qualifications

• Experience in designing membrane treatment equipment
• Familiarity with 3D modeling and P&ID software, such as Solidworks
• Understanding of process automation and instrumentation (PLC/SCADA) equipment commissioning and performance testing involvement