
Mott Macdonald
A global engineering, management, and development consultancy delivering innovative solutions.
Assistant Principal/Senior Mechanical Engineer (Treatment Plants)
Mechanical engineer designing wastewater/desalination plant equipment and managing project execution.
Job Highlights
About the Role
• Create equipment layouts, civil outlines, and fabrication skid drawings for wastewater and desalination projects. • Define piping and valve material specifications; calculate pump and blower heads, line sizing, and pipe wall thickness. • Develop and issue RFQs for bought‑out and package items; prepare technical datasheets, bid evaluations, and manufacturing clearances. • Review vendor general arrangements, hydraulic calculations, flow diagrams, isometric and 2D GA drawings, and pipe support details. • Generate mechanical GA drawings, piping MTOs, erection BOMs, and as‑built documentation. • Coordinate multidisciplinary inputs (process, civil, electrical, instrumentation) and liaise with vendors, consultants, and clients for approvals. • Identify, record, and manage design risks, assumptions, health‑safety, and environmental considerations; ensure CDM compliance. • Conduct post‑project reviews and propose improvements to client systems while adhering to company engineering, CAD, and QA procedures.
Key Responsibilities
- ▸equipment layouts
- ▸piping specs
- ▸rfq management
- ▸vendor review
- ▸ga drawings
- ▸coordination
What You Bring
• Hold a BE or MTech in Mechanical Engineering and be working toward MIMechE/MIET or equivalent professional qualification. • Possess strong knowledge of design processes, engineering principles, and project commercial constraints. • Demonstrate good understanding of health, safety, and environmental systems and procedures. • Experienced with AutoCAD P&ID, OpenPlant PID, SmartPlant P&ID, OpenPlant Modeller, Revit MEP, Navisworks, and proficient in Microsoft Word, Excel, PDF management, and Bentley ProjectWise.
Requirements
- ▸mechanical eng
- ▸mimeche
- ▸autocad
- ▸revit
- ▸openplant
- ▸hse
Benefits
Whether you want to pursue excellence in your specialism or broaden your experience with flexible roles across our business, you’ll be connected to a community of global experts championing you to be your best. Join us and shape your story with Mott MacDonald, where everyone has the opportunity to be brilliant. We support flexible working to help staff create work‑life balance and are open to discussing flexible arrangements at interview. Locations include Mumbai, Bangalore, Noida, and Ahmedabad. Our benefits package includes agile working, critical illness and compassionate leave, paternity leave, group term life and medical insurance, career mobility options, short‑ and long‑term global employment opportunities, and global collaboration and knowledge sharing.
Work Environment
Onsite