
Location
Isleworth, London (Base location: Mogden Sewage Treatment Works, Twickenham). This role requires travel to multiple sites depending on project needs. A full driving licence, access to a vehicle, and insurance for work travel are required. A monthly car allowance is provided.
Hours
Monday to Friday, 36 hours per week.
Salary
Up to £60,000 per annum, depending on experience and skills, plus £4,500 car allowance.
About the Role
This role seeks a self-motivated candidate to manage engineering projects end-to-end across Thames Water’s Sewage Treatment operational sites and estate. You will manage all aspects of CAPEX projects, including initial scoping, competitive tendering, contractor procurement, site setup and inductions, health and safety inspections, commissioning, training, and handover to operations teams. The internal job title is ‘Project Engineer’ within the Capital Maintenance Project Team.
- Manage and deliver a portfolio of Mechanical, Electrical, and ICA projects, typically valued between £100,000 and £1 million per project.
- Responsible for multiple live projects simultaneously, with additional projects in scoping and tendering phases.
- Develop innovative and modern solutions to operational challenges, improving site efficiency and delivering value for money.
- Collaborate with operations teams and contractors to scope, define, and cost cost-effective, low-risk solutions.
- Oversee strict health and safety policies, including monthly audits.
- Ensure construction complies with in-house policies, wider industry standards, and CDM regulations.
- Work collaboratively with delivery partners and contractors to ensure timely project delivery.
- Maintain compliance with Asset Standards, British & International Standards, and professional codes of conduct.
- Perform financial forecasting and reporting on the value of work done (VOWD).
- Draft, vet, and approve pre-construction information, project programs, risk assessments and method statements (RAMS), and construction phase plans (CPP).
- Oversee commissioning, training, and handover of completed projects to operations teams.
- Ensure availability and handover of completion documents including test certificates, operation and maintenance manuals, health and safety files, and as-constructed drawings.
Experience
- Experience in Construction or Engineering Project Management.
- Ability to coordinate multiple stakeholders including internal colleagues, site employees, and external contractors.
- Understanding of Health and Safety standards related to construction works, including CDM regulations. Additional training will be provided.
About you
- Self-motivated, driven, and able to work with minimum supervision.
- Strong initiative and commitment to delivering high-quality work.
- Excellent communication and collaboration skills.
- Willingness to travel to multiple sites as required.
Qualifications
- Preferably a background in Engineering such as Mechanical, Electrical, or Civil Engineering.
- Formal qualifications are strongly encouraged, ideally at least a BTEC/HND in a relevant discipline or equivalent experience.
- Knowledge of Clean Water Processing and/or Wastewater Treatment is advantageous.
Thames Water





















