About The Role

We are looking to strengthen our Construction team with a Commissioning Engineer. You will be based in Lincoln.

This role offers the chance to work on a variety of clean water and water recycling projects, helping ensure assets are tested, optimised, and ready for operation before handover.

This is a fantastic opportunity to grow your skills and contribute to the delivery of vital infrastructure, while being part of a values-driven, supportive engineering environment.

What You’ll Be Doing

Working within a multi-disciplinary team, you’ll play a key role in commissioning activities across a broad range of projects. With a focus on safety, quality, and performance, you’ll help ensure that new assets function as intended and deliver long-term value for our customers and the environment.

Your responsibilities will include:

Supporting the planning and execution of commissioning activities on site
Collaborating with design, delivery, and operational teams to ensure successful project outcomes
Assisting in site inspections, testing, and performance verification of new assets
Producing and maintaining commissioning documentation, including method statements and risk assessments
Helping to resolve technical issues and optimise performance
Participating in site acceptance testing and early engagement with equipment suppliers
Feeding into continuous improvement initiatives and lessons learned processes

About You

You’re a hands-on engineer with a collaborative mindset and a passion for technical delivery. You’re comfortable working in dynamic site environments and are eager to learn from experienced colleagues while contributing your own expertise.

To be successful in this role, you’ll need:

A HNC (or equivalent Level 4 qualification) in Electrical, Mechanical, or Process Engineering
Some relevant experience in commissioning, operations, or maintenance (preferably within the water or utilities sector)
A good understanding of process control, instrumentation, or M&E systems
Strong communication and teamwork skills
A full UK driving licence and flexibility to travel to sites
A proactive, solutions-focused approach with a willingness to learn and adapt

About Us

MWH Treatment is an integrated design and build provider working in the water sector. With over 1400 staff working across eight regional centres, supporting six long-term water sector frameworks and two recently won frameworks, operating both as a sole contractor but also in joint ventures and alliances.

At MWH Treatment we believe that people matter. We know to build successful, creative teams we need a diverse workforce that can deliver innovative ways of thinking. We provide an environment where you will have the freedom to develop and grow to your full potential, creating opportunity by inviting, embracing, and celebrating difference, our goal as an employer is to motivate, and develop our employees. By fostering a diverse range of talents and perspectives we ensure we have the breadth of viewpoints, experiences, and skills needed to succeed. Embracing diversity of all kinds enables us to provide a work environment and culture that plays a key role in attracting and retaining the right people with the right skills.

As signatories to the Armed Forces Corporate Covenant, we have made a promise to support our forces, working with the CTP to help ex veterans find work in the civilian world. We also support Mates in Mind, a charitable programme to improve and promote positive mental health in the workplace. We don’t just tick boxes; we live these values every day.

What MWH offer

Packages include - 

A competitive salary

Hybrid Working (Jobs needs dependent)

Car/car allowance (Jobs needs dependent)

25 days holiday + Bank Holidays (with an additional 5 days available to buy)

Contribution Pension scheme

Life Assurance

Health Insurance

Private Medical Insurance

And many more benefits including – cycle to work scheme, discounts and savings Hub, Kids Pass etc

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