Sr. Mechanical Design Engineer

New Revive Green Technology Water Purification LLC; Chennai District; On-site; INR 480,000 - 720,000; Full time

Job summary

New Revive Green Technology Water Purification LLC is seeking a Mechanical Design Engineer to design and support wastewater treatment mechanical systems. You will prepare layouts, GA drawings, P&ID, and piping designs for pumps, blowers, mixers, screens, and sludge handling equipment.

The role requires CAD proficiency (AutoCAD/SolidWorks/Inventor) and experience sizing piping and pumps, with coordination across civil/electrical/process teams and site support during installation and testing.

Qualifications

• Experience designing wastewater treatment mechanical systems.
• Proficiency in CAD and drawing standards.
• Experience with GA, P&ID and equipment sizing.

Responsibilities

• Design mechanical systems used in wastewater treatment processes.
• Prepare equipment layouts, piping layouts, and mechanical drawings.
• Design systems for pumps, blowers, mixers, screens, and sludge handling equipment.
• Ensure designs meet project specs, environmental regs, and safety standards.
• Select equipment based on plant capacity and process needs; review supplier drawings.
• Provide site support during installation, commissioning, and testing.

Skills

Mechanical design

Wastewater knowledge

CAD proficiency

Equipment sizing

Piping systems

Project coordination

Tools

AutoCAD

SolidWorks

Autodesk Inventor

Job description

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