Mechanical Design Engineer ( WTP, STP, ETP Project Experienced)

Company Description

Assystem is an international company with one mission: accelerate the energy transition around the world.

Every day, our 6,500 switchers located in 12 countries (Europe, Middle East, Pacific Asia & Africa) connect their six thousand billion neurons to tackle the task of the century: switching to low-carbon energy.

We are a collective committed to the actors who are making the energy switch. Sharing our knowledge, expertise and values allows us to innovate and think differently about the energy transition.

Drawing on more than 55 years' experience in highly regulated sectors subject to strict security and safety requirements, we provide our customers with engineering and project management services, as well as digital services and solutions to optimize the performance of complex infrastructure projects throughout their life cycle. The Group is currently ranked second in the world for nuclear engineering.

To ensure a viable, efficient, and reliable energy future for all

Job Description

• Mechanical Design for STPs & WTPs: Develop comprehensive mechanical designs for municipal sewage treatment plants (STPs) and water treatment plants (WTPs), covering primary, secondary, and tertiary treatment processes.
• Hydraulic & Process Equipment Design: Design and size pumps, blowers, aeration systems, sludge handling units, filtration systems, and chemical dosing systems.
• Piping & Layout Design: Create piping & instrumentation diagrams (P&IDs), general arrangement (GA) drawings, and detailed piping layouts ensuring process efficiency.
• Sludge Handling & Treatment: Design sludge thickening, dewatering, digestion, and disposal systems for efficient solid waste management.
• Equipment Selection & Specifications: Select and specify valves, actuators, mechanical screens, clarifiers, diffusers, and pressure vessels as per project needs.
• Mechanical Calculations & Analysis: Perform pump hydraulics, pipe sizing, pressure drop analysis, and mechanical stress analysis.
• Standards & Compliance: Ensure designs comply to IS Codes and other municipal water & wastewater treatment guidelines.
• Coordination & Documentation: Work with Process, Electrical, Control & Instrumentation and Civil teams for seamless integration of mechanical systems.
• Tender & BOQ Preparation: Develop technical specifications, bill of quantities (BOQ), and cost estimates for mechanical components.
• Vendor & Site Support: Review vendor drawings, assist in technical evaluations, and provide design support during execution.

Qualifications

BE/B-Tech in Mechanical Engineer

Additional Information

• Expertise in mechanical system design for wastewater and water treatment plants.
• Proficiency in AutoCAD, SolidWorks, or other mechanical design tools.
• Strong knowledge of pumps, piping, and sludge management technologies.
• Familiarity with municipal water & wastewater treatment guidelines.
• Excellent problem-solving and coordination skills for cross-discipline collaboration.

We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.