Sr. Mechanical Design Engineer – STP

Candidate Profile

"The ideal candidate should have a robust combination of STP project experience, mechanical design expertise, equipment selection, engineering calculations, and site execution support. Candidates with only general mechanical design experience but without significant STP/Wastewater Treatment project exposure may not be suitable for this role".

Location: Chennai, India
Experience: 8–15 Years
Salary: Up to ₹18 LPA(410)
Working Days: Monday–Saturday
Working Hours: 9:00 AM–6:00 PM
Interview Mode: Online – Teams
Interview Rounds: 2
Notice Period: Less than 60 days

Role Overview

We are looking for an experienced Sr. Mechanical Design Engineer with strong hands-on experience in Sewage Treatment Plant (STP) / Wastewater Treatment projects.

The candidate will be responsible for mechanical system design, equipment selection, engineering calculations, preparation and review of technical drawings and documentation, as well as coordination with cross-functional teams and providing technical support during installation, commissioning, and testing.





Key Responsibilities

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Design mechanical systems for STP and wastewater treatment projects.

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Prepare equipment layouts, piping layouts, mechanical GA drawings, and fabrication drawings.

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Design and support mechanical systems involving:

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Pumps

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Blowers

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Mixers

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Screens

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Sludge handling equipment

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Aeration systems

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Select appropriate mechanical equipment based on plant capacity, process requirements, and project specifications.

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Evaluate vendor technical specifications and prepare technical data sheets for equipment procurement.

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Review and approve supplier/vendor drawings.

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Perform engineering calculations related to:

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Pump sizing

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Pipe sizing

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Flow rates

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Pressure losses

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Power requirements

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Prepare and review Material Submittals, Mechanical GA Drawings, P&IDs;, Equipment Layouts, and Fabrication Drawings.

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Ensure mechanical designs comply

📌 Sr. Mechanical Design Engineer – STP (Chennai)
🏢 Umanist Staffing
📍 Chennai