Commissioning Manager
Meet the recruiter

Christian Held
Benefits
Life assurance
Private medical insurance
Additional holiday purchase opportunities
Matched pension scheme up to 7.5%
Enhanced family leave & policies
Share plan schemes
Free health & wellbeing services
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Green car scheme
Commissioning Manager
We're looking for a Major Projects Commissioning Manager to join our Thames Water Framework Project team based in Mogden.
Location: Mogden, Twickenham - some remote working may be available, with occasional travel the office required.
Hours: Standard working hours (08:00-17:30) - some flexibility on hours available if desired, just let us know when you speak to us.
We are unable to offer certificates of sponsorship to any candidates in this role.
As Commissioning Manager, you'll play a vital role in leading and coordinating commissioning activity across our major projects at Mogden STW. Working closely with project teams and client stakeholders, you'll plan, assure, and deliver safe and compliant commissioning and handover, supporting successful project completion and transition into defects and warranty. This is a client-facing position where you'll communicate and collaborate effectively with Thames Water whilst representing Kier's interests.
What will you be responsible for?
As a Major Projects Commissioning Manager, you'll be working within the Thames Water Major Projects team, supporting them in delivering successful project outcomes. Your day to day will include:
- Developing and managing the project's commissioning programme in collaboration with the team and construction programme planners
- Developing and agreeing project handover documentation with Thames Water to enable successful project completion
- Managing process and electrical commissioning activities with project teams
- Leading and developing commissioning teams and engineers, supporting recruitment activities
- Ensuring compliance with regulatory and legislative requirements whilst maintaining high standards for health, safety, environment, and quality
What are we looking for?
This role of Major Projects Commissioning Manager is great for you if:
- You have a proven track record of delivering large, multi-disciplinary MEICA projects, including planning and managing the commissioning process
- You have knowledge and experience within the water sector, preferably across both clean water and wastewater
- You have working knowledge of pumps and pipe systems, sludge treatment, chemical dosing, and water/wastewater process equipment
- You have experience using 3D models to support commissioning engagement, planning, and strategic reviews
- You have knowledge of Regulation 30, WRAS requirements, and relevant legislation
We're all about finding potential here at Kier, and transferrable skills are always welcome! So, even if you don't tick every box, please apply and we can have a chat.
Rewards and benefits
We're proud to be able to offer our brilliant people a wide variety of benefits that you can tailor to your needs. You can see more information of benefits here.
Diversity and inclusion
Making Kier a diverse and inclusive place to work is a huge priority for us. We're proud of the steps we've taken so far, but we know we must always do more. Our employees are key in shaping Kier's diversity and inclusion initiatives and our people have made a huge impact on how we work, by using their experiences to shape our policies. You can see our D&I action plan here. As a Disability Confident employer, we will ensure that a fair and proportionate number of disabled applicants that meet the minimum criteria for this role will be offered an interview.
We look forward to seeing your application to #joinkier #LI-CH1
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Location: Isleworth
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Vacancy ID: 11143
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Background check: None
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Closing Date: 10 Jun 2026
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Flexible Working: Yes
Flexible working could include part time, job share, condensed hours, or flexible start/end times.
