Senior Mechanical Engineer

Mott MacDonald Bentley | MMB

📍 bristol, england, United-Kingdom

Full-time Engineering Posted June 20, 2026

Job Description

Senior Mechanical Engineer

Join Mott MacDonald Bentley | MMB to apply for the Senior Mechanical Engineer role. MMB is a fully integrated design and build business combining the design expertise of Mott MacDonald with the contracting experience of JN Bentley, delivering award-winning projects.

As a Senior Mechanical Engineer, you will contribute to projects that significantly impact our environment and communities, working primarily in the UK water market. You’ll work on projects that make a real difference by enhancing the efficiency and effectiveness of water and wastewater treatment systems. You will play a pivotal role in shaping the mechanical functions throughout the lifecycle of various projects, from concept design to commissioning.

Responsibilities

  • Lead the mechanical design of water and wastewater infrastructure and non‑infrastructure projects through outline and detailed design, construction, commissioning, and handover.
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