Senior Mechanical Engineer – Water & Wastewater, Flexible

Company: MWH Treatment
Apply for the Senior Mechanical Engineer – Water & Wastewater, Flexible
Location: Hattersley
Job Description:

MWH Treatment is seeking a Senior Mechanical Engineer to lead mechanical design activities across major water and wastewater projects. You will develop equipment specs, plant layouts and documentation to deliver safe, buildable solutions that meet client requirements and regulatory standards.

The role involves coordinating with Process, Civil, Electrical and Commissioning teams, identifying risks, mentoring junior engineers, and building strong relationships with clients and suppliers.

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Posted: September 27th, 2026