Sr. Mechanical Design Engineer Onsite (Chennai, India)

Dover; Chennai District; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Dover is seeking a Mechanical Design Engineer for Sewerage Treatment Plant projects in Chennai. The role focuses on designing, selecting, and supporting installation of mechanical equipment used to treat wastewater safely and efficiently.

Responsibilities include designing mechanical systems, preparing layouts and drawings, performing sizing calculations, and coordinating with multi-disciplinary teams to ensure proper integration and site support during installation and commissioning.

Qualifications

• Design mechanical systems for wastewater treatment processes.
• Create equipment layouts, piping layouts, and GA drawings.
• Prepare DS for equipment procurement and review supplier drawings.

Responsibilities

• Coordinate with civil, electrical and process engineers and contractors.
• Provide site support during installation, commissioning and testing.
• Ensure designs meet project specs, safety and environmental regulations.

Skills

Mechanical design

Wastewater processes

CAD software

Equipment sizing

Piping systems

Project coordination

Tools

AutoCAD

SolidWorks

Autodesk Inventor

Job description

Job Title: Mechanical Design Engineer – Sewerage Treatment Plant (STP)

Experience: 8+ years

Location: Chennai

Industry: STP/Water Treatment/RO

Job summary: A Mechanical Design Engineer working in a sewerage treatment plant (STP) is responsible for designing, selecting, and supporting the installation of mechanical equipment used to treat wastewater safely and efficiently

1. Design Responsibilities-

• Design mechanical systems used in wastewater treatment processes.

• Prepare equipment layouts, piping layouts, and mechanical drawings.

Design systems for:

• Pumps

• Blowers

• Mixers

• Screens

• Sludge handling equipment

• Aeration systems

Ensure designs meet project specifications, environmental regulations, and safety standards.

2. Equipment Selection-

• Select suitable equipment based on plant capacity and process requirements.

• Evaluate vendor technical specifications.

• Prepare technical data sheets for equipment procurement.

• Review supplier drawings and approve them.

3. Engineering Calculations-

Perform calculations for:

• Pump sizing

• Pipe sizing

• Flow rates

• Pressure losses

• Power requirements

• Ensure equipment efficiency and reliability.

4. Drawings and Documentation-

Prepare and review:

• Material Submittal preparation

• Mechanical General Arrangement (GA) drawings

• Piping and Instrumentation Diagrams (P&ID)

• Equipment layout drawings

• Fabrication drawings

Use software like:

• AutoCAD

• SolidWorks

• Autodesk Inventor

5. Coordination-

Coordinate with:

• Civil engineers

• Electrical engineers

• Process engineers

• Contractors

Ensure mechanical systems integrate properly with plant structures and controls.

6. Site Support-

Provide technical support during:

• Equipment installation

• Commissioning

• Testing

Key Skills Required:

• Mechanical system design

• Knowledge of wastewater treatment processes

• CAD software proficiency

• Equipment sizing and selection

• Understanding of piping systems

• Project coordination skills
  

Typical Employers:

• Environmental engineering companies

• Water utility companies

• EPC contractors