Senior Mechanical Engineer, Water Sector

Description

You will join a multidisciplinary group of engineers, collaborating with civil, electrical, process and mechanical specialists across the UK and Ireland. The role involves delivering innovative and sustainable solutions from feasibility studies through detailed design and construction support, with opportunities to work on flagship projects both locally and internationally.

• Produce feasibility studies, outline and detailed designs, and provide construction support for water and wastewater projects.
• Create design drawings, select mechanical plant, and develop technical specifications.
• Liaise with civil, electrical, process and mechanical teams nationwide to ensure integrated solutions.
• Deliver high‑quality technical output, contribute to bid proposals, and interface with clients and contractors.
• Manage project budgets, programmes and quality targets throughout the design lifecycle.
• Design mechanical installations such as pumping stations, screens, grit removal plants, penstocks, valves and odour control systems.
• Conduct site surveys and coordinate with clients, contractors and suppliers.
• Generate plant layouts, equipment schedules, lifting strategies, P&IDs and valve schedules.
• Perform head‑loss calculations, pumping system analysis and pump selection for pumping station designs.

Requirements

The ideal candidate holds a degree in Mechanical Engineering and is progressing toward Chartered Engineer status with a body such as IMechE. They must demonstrate proven ability to produce engineering designs, reports, drawings, specifications and calculations, and have hands‑on experience delivering water or wastewater projects.

• Degree (or equivalent) in Mechanical Engineering.
• Progress toward Chartered Engineer status with IMechE or similar institution.
• Proven experience delivering engineering designs, reports, drawings, specifications and calculations.
• Hands‑on experience with water and/or wastewater engineering projects.
• Strong communication and collaborative skills across multidisciplinary teams.

Benefits

AECOM offers a range of core and personalised benefits, including a flexible hybrid working model, career development programmes such as AECOM University, technical practice networks, and volunteering days. Employees benefit from a supportive, inclusive culture that values diversity, equity and neurodiversity.

AECOM welcomes applicants from all backgrounds and provides reasonable accommodations for candidates with disabilities. Interested candidates can contact the recruiter via LinkedIn or apply through the Disability Confident Interview Scheme.

• Flexible hybrid working model supporting work‑life balance.
• Access to career development resources, including AECOM University and technical practice networks.
• Core and personalised wellbeing benefits, volunteering days and support for diverse lifestyles.
• Opportunity to work on high‑impact, award‑winning water infrastructure projects across the UK and internationally.

Training + Development

Interview process

Visa Sponsorship

Security clearance