Tilbury Douglas
Commissioning Engineer

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Location: Exeter (covering sites across Devon)
The Opportunity
Due to our successful appointment to a new framework, we are looking for a Commissioning Engineer to join our Infrastructure – Water South team, supporting wastewater projects for South West Water across Devon.
Working as part of our project delivery team, you will play a key role in planning, coordinating and supporting the commissioning of mechanical, electrical and process systems, ensuring projects are delivered safely, efficiently and ready for successful handover to our client. This is an excellent opportunity to join a growing team delivering essential water infrastructure that benefits local communities.
Key Duties
- Support the planning, preparation and delivery of commissioning activities, including commissioning procedures, plans and handover documentation.
- Review designs, specifications and subcontractor documentation to identify commissioning risks and ensure installations are ready for testing and handover.
- Work closely with project teams, subcontractors and client representatives, attending commissioning meetings and coordinating site activities.
- Monitor commissioning progress, produce regular reports, organise client witnessing, sampling and training, and assist with compiling O&M manuals.
- Support the resolution of commissioning and snagging issues through project completion and the defects liability period.
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About You
You will be a proactive and organised individual with a passion for delivering high-quality engineering solutions within the water sector.
You will bring:
- Experience or knowledge of commissioning within the wastewater or wider water industry.
- Strong communication and relationship-building skills with the ability to work collaboratively across project teams.
- Good IT skills and a methodical approach to planning and documentation.
- SMSTS and CSCS certification, with a willingness to travel to sites across the region.
- A relevant engineering qualification is desirable.
What we can offer you
- Competitive salary
- Car Allowance
- 26 days annual leave (with the opportunity to buy or sell up to 3 days holiday)
- 3 additional long service days achieved after 3, 7 and 10 years
- Private medical insurance for yourself (with the option to buy family cover)
- Life Assurance
- Defined contribution pension scheme matched up to 8%
- Enhanced maternity, paternity and parental leave
- 2 days volunteering opportunities
- Flexible and Agile working (dependent on your role)
- Employee Assistance Programme
- Professional membership fees
- Perks at Work Employee discount scheme offering discounts on a range of categories such as electronics, home appliances, food & groceries, car buying, travel, fitness and more
- Flexible Benefits scheme


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Who we are
Tilbury Douglas is a leading UK building, infrastructure, engineering and fit-out company, delivering vital projects across sectors including health, education, highways, justice, defence, aviation, water, and environment.
Our people are at the heart of our success. We are committed to an inclusive culture that encourages innovation and celebrates individual differences. We are proud to hold Investors in Diversity status.
Please note: we do not hold a sponsorship licence. This role is subject to Baseline Personnel Security Standard (BPSS) clearance.
We look forward to receiving your application.
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