Principal Mechanical Engineer, Water Sector
AECOM • Exeter, England • Posted June 09, 2026
About the Role
Start here. Grow here.
Are you ready to shape the future of water infrastructure?
We’re looking for a Principal Mechanical Engineer to join our growing South West and Wales water team, with flexibility to be based out of one of our South West offices (Exeter, Bristol & Cardiff).
You will play a key part in delivering multi-billion-pound capital programmes across the UK water sector, contributing to projects ranging from small rural sites to complex, multi-million-pound infrastructure and non-infrastructure schemes in both water and wastewater. These long-term frameworks extend through AMP8 and AMP9, offering security, variety, and the opportunity to make a real impact in shaping sustainable water solutions.
You will contribute to several major frameworks, including:
Key Programmes You’ll Support: