Mechanical Engineer

Mott Mac Donald is a global engineering, management and development consultancy.

Our purpose is to improve society by considering social outcomes in everything we do, relentlessly focusing on excellence and digital innovation, transforming our clients’ businesses, our communities and employee opportunities.

A fundamental part of this is respecting each person’s differences and striving to meet their needs.

We believe that because we care about what we do, we do things better.

We know that our people are our most valuable asset, so we are dedicated to investing in them, through our comprehensive training and development schemes, exposure to the wider design and build business and endless opportunities.

We are committed to creating a workplace where our people are safe, have a voice, can reach their full potential, and everyone shares in the rewards.

You’ll have the opportunity to contribute to projects that benefit our communities – from helping to secure water supplies for future generations to protecting homes and businesses from flood risk – our projects make a real difference.

Diversity, Equity & Inclusion

A Mott Mac Donald Bentley we welcome applications from all sectors of the community. We are dedicated to building a diverse workplace where everyone feels included, has the opportunity to thrive, and is treated with respect.

Even if you don’t meet every requirement for this role but are excited about the opportunity, we encourage you to apply. Find out more about our approach to Diversity, Equity & Inclusion here:

We are committed to ensuring that our recruitment practices are barrier-free and as inclusive as possible. This includes making adjustments during the job application process and throughout your future career with us. Please call or email  to discuss any such adjustments that we can make. You can read more about our Equal Opportunities Policy here:
Equality, diversity and inclusion

We are committed to providing a flexible and agile working environment that supports both our employees and the needs of the business.

#LI-MMB

Mott Mac Donald Bentley is a fully integrated design and build business combining the design expertise of Mott Mac Donald with the contracting experience of JN Bentley to deliver award winning projects.

With an annual turnover surpassing £500 million, Mott Macdonald Bentley cements its position as a leader within the industry.

The sustained, robust business performance creates an ideal environment for career growth.

We joined a new partnership in Northumbrian Water’s new Living Water Enterprise, an innovative vehicle developed to deliver large scale construction programmes in AMP8 and beyond, supporting a £3.6bn workload.

Northumbrian Water supplies water and sewerage services to just under 4.4 million people and has worked closely with MMB and JN Bentley since 2001. In this time, the companies have delivered hundreds of engineering and construction projects together. This new contract will extend the relationship to at least 2030 and see MMB – which harnesses the contracting strength of JN Bentley and the design specialisms of Mott Mac Donald

- undertake treatment projects across the North East.

As aMechanical

Engineer you will contribute to projects that significantlyimpactour environment and communities. Working primarily in the UK water market, MMB provides the feasibility, design, construction, and commissioning services needed to keep water flowing and wastewater treated.

You’llwork on projects that make a real difference to our environment and our communities by enhancing the efficiency and effectiveness of water and wastewater treatment systems.

You will play a pivotal role in shaping themechanicalfunctions throughout the lifecycle of various projects. From concept design to commissioning, you will ensure that allmechanicalaspects are meticulously considered and integrated.

Company:
Mott Mac Donald

Salary:
Not specified

Hours:

Full-time

Location:

Durham, DH4 5QY

Job type:
Permanent

Posting date: 27 Aug 2026

Closing date: 26 Sept 2026

• Develop the mechanical design of water and wastewater infrastructure and…