Senior Mechanical Engineer

As a Senior Mechanical Engineer at Mott MacDonald Bentley (MMB), you will work in a creative and challenging environment, delivering a wide range of projects across our United Utilities framework.

MMB is one of seven partners supporting United Utilities in delivering £3bn worth of upgrades to critical infrastructure assets, including water and wastewater treatment sites, pumping stations, and reservoirs within the North West during the AMP8 period.

Your responsibilities as a Senior Mechanical Engineer include:

1. Leading the interfaces and integration of the mechanical design with other disciplines.
2. Managing, reviewing, and preparing mechanical design deliverables such as calculations, drawings, documentation, schedules, specifications, and reports to balance project constraints.
3. Providing quality assurance through checks and reviews of work by others.
4. Supporting the development of the mechanical engineering team by coaching and mentoring junior engineers and identifying appropriate resources for projects.

Candidate specifications:

Qualified Mechanical Engineer (preferably Chartered or Incorporated).

Experience in water or wastewater infrastructure and non-infrastructure design.

We support your further development in technical, management, or commercial/client-facing directions to meet your career aspirations—controlling your career path.

What we offer:

Competitive salary based on experience, with core benefits including:

• Pension matched by employer
• Option to purchase, sell, and carry over annual leave
• Life assurance, private medical, critical illness insurance, and health screening
• 26 weeks maternity leave, enhanced paternity, adoption, and shared parental leave
• Payment of professional subscription costs
• UK-wide gym membership discounts

Note: Mott MacDonald Bentley currently does not sponsor Skilled Worker visas. We welcome applications from those eligible via other immigration routes.

Additional information:

This role is employed by Mott MacDonald but involves working across the joint venture with JN Bentley and Mott MacDonald.

Mott MacDonald Bentley offers integrated design and build services, combining contracting expertise and design specialization.

About Mott MacDonald:

We are a global engineering, management, and development consultancy dedicated to improving society through social outcomes, excellence, and innovation. We value diversity and are committed to creating an inclusive workplace where everyone can thrive.

Our projects aim to benefit communities, such as securing water supplies and protecting against flood risks.

Diversity, Equity & Inclusion:

We welcome applications from all community sectors and are committed to an inclusive, barrier-free recruitment process. For adjustments or more info, contact us at or .

Agile working:

We support flexible and agile working arrangements to meet the needs of our employees and business.

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