Senior Product Design engineer- Water Treatment equipment

Job description

Job Title:

Senior Product Design Engineer – Water & Wastewater Treatment Equipment

Location:

Chennai

Department:

Design and Engineering

Experience Required:

8 – 15 Years

Industry:

Water & Wastewater Treatment / Environmental Engineering / Industrial Machinery Manufacturing

Employment Type:

Full-Time

Job Summary:

We are seeking an experienced Senior Design Engineer to lead the design and development of mechanical water and wastewater treatment equipment. The candidate should be highly skilled in mechanical design and have hands-on experience with a broad range of equipment used in effluent, sewage, and process water treatment plants. You will be responsible for turning process requirements into reliable, cost-effective, and production-ready mechanical systems.

Key Responsibilities:

• Lead the design and engineering of mechanical systems and equipment used in water treatment plants.
• Create and manage detailed 2D/3D CAD drawings, GA drawings, fabrication drawings, P&IDs, and BOMs.
• Work closely with process, electrical, automation, and production teams to deliver fully integrated solutions.
• Drive the design of modular skid systems for compact plant configurations.
• Conduct component sizing, mechanical calculations, and selection of motors, pumps, gearboxes, actuators, etc.
• Ensure compliance with industry standards, materials specifications, and corrosion resistance requirements.
• Provide technical documentation and support for fabrication, assembly, installation, and testing.
• Support prototype development, factory testing (FAT), and occasionally site commissioning (SAT).
• Review and approve vendor components, outsourced designs, and custom-fabricated parts.
• Mentor and supervise junior engineers, check designs, and ensure project deliverables are met on time.

Key Equipment Expertise Required:

Candidate should have prior design experience in at least 8–10 of the following equipment:

• Screw Press (sludge dewatering systems)
• Rotary Drum Screen (coarse/fine screening)
• Polymer Preparation Units (automatic/manual)
• Chemical Dosing Units & Skids
• Micron Cartridge Filter Casings
• Multimedia Pressure Filters (MMF, ACF, IRF)
• Activated Carbon Filters
• Dissolved Air Flotation (DAF) Systems
• Lamella Clarifiers
• Tube Settlers
• Oil-Water Separators
• Flash Mixers & Flocculators
• Agitators and Mixers (top-entry, side-entry)
• Pressure Sand Filters
• Storage Tanks, Day Tanks, and Chemical Tanks
• Jet Mixers and Jet Aerators
• Air Diffusers, Blowers, and Compressors
• Pump Skids and Valve Manifolds
• Skid-Mounted ETP/STP/RO/UF/DM Plants
• Control Panel Integration with Mechanical Systems

Required Skills and Qualifications:

• Bachelor’s degree in Mechanical Engineering (Master’s degree preferred).
• 8–15 years of relevant design experience in water treatment or process equipment.
• Strong command of SolidWorks, AutoCAD, and other mechanical design tools.
• In-depth understanding of pumps, valves, piping, steel structures, and rotating equipment.
• Ability to interpret P&ID diagrams, process flows, and convert them into mechanical assemblies.
• Familiarity with materials of construction like SS304, SS316, MS, FRP, PVC, CPVC, HDPE.
• Good knowledge of welding processes, fabrication standards, and sheet metal design.
• Awareness of industry codes: ASME, IS, DIN, ISO, EN, etc.

Preferred Skills:

• Experience with automation-ready systems (integration with PLC, sensors, actuators).
• Exposure to modular plant design, compact STP/ETP systems.
• Site experience in commissioning, retrofitting, or refurbishment of old plants.
• Working knowledge of CFD or FEA tools is a plus.

Soft Skills:

• Strong problem-solving mindset with attention to detail.
• Excellent written and verbal communication skills.
• Ability to lead design reviews and work in a cross-functional team.
• Project and documentation management skills.

Job Type: Full-time

Benefits:

• Food provided

Schedule:

• Day shift

Supplemental Pay:

• Performance bonus

Work Location: In person

Job Type: Full-time

Pay: ₹30,000.00 - ₹45,000.00 per month

Benefits:

• Food provided

Schedule:

• Day shift

Supplemental Pay:

• Performance bonus

Work Location: In person