Principal Mechanical Engineer, Water Sector

Overview

As Principal Mechanical Engineer in our Water team, you will lead mechanical design for water and wastewater schemes, from feasibility to delivery across AMP8/AMP9. You will work with cross-functional teams to develop innovative, sustainable solutions for major capital programmes in the UK. You’ll shape project design, support bids, and manage interfaces with clients and contractors to ensure high technical quality and on-time delivery. This role offers exposure to large-scale multi-disciplinary projects and opportunities to influence the future of water infrastructure.

Pay / Benefits

• core and personalised benefits
• career development opportunities
• AECOM University
• volunteering days
• flexible hybrid working model
• global, inclusive culture

Responsibilities

• Develop feasibility, outline and detailed designs and provide construction support
• Create design drawings, select mechanical plant, and prepare technical specifications
• Collaborate with civil, electrical, process, and mechanical engineers
• Ensure high technical quality, contribute to bids, and maintain client relationships
• Manage project budgets, schedules and deliverables to targets
• Design mechanical installations for water and wastewater systems (pumps, screens, valves, odour control)
• Conduct site surveys and liaise with clients, contractors and suppliers
• Produce layouts, technical specifications, datasheets and P&IDs

Key requirements

• Bachelor in Mechanical Engineering
• Chartered Engineer status (or working towards)
• Proven expertise in pump station design, piping design, valve selection, hydraulics, and preparing/ approving reports, drawings, and specifications
• Experience in the water and/or wastewater industry

• Collaborative mindset and ability to work across multidisciplinary teams
• Strong client relationship management
• Effective communication and stakeholder management
• Pump station design
• Piping design
• Valve selection

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