What you’ll be doing
as a Senior Mechanical Engineer
1. Collaborating with a wide range of internal stakeholders—including engineers, asset managers, and operations teams—to develop fit‑for‑purpose, resilient engineering solutions that balance innovation, value for money, and long‑term performance.
2. Providing robust assurance and technical oversight of consultants and contractors delivering large and complex capital projects.
3. Ensuring compliance with legislation, regulations, and Thames Water standards so that all solutions are delivered safely and meet the technical and environmental requirements set out in the Project Brief.
4. Playing a key role in supporting Thames Water’s ‘Triple Zero’ Health, Safety and Wellbeing vision. By conducting audits and reviewing Risk Assessments, Method Statements and Safe Systems of Work, you will help drive our commitment to zero incidents, zero harm, and zero compromise.
5. Identifying, managing, and escalating delivery risks and opportunities throughout the project lifecycle.
6. Supporting the production of Project Briefs and providing timely and accurate responses to RFIs.
Location - This role is hybrid, based at Clearwater Court, with travel to Oxford Sewage Treatment Works.
You’ll typically spend 2 to 3 days per week on site to support design reviews, assurance activities, and project delivery.
36 hours per week, Monday to Friday.
What you should bring to the role
To thrive in this role, the essential criteria you’ll need are:
7. A degree in Mechanical Engineering (or equivalent).
8. Experience working in a design and construction‑related engineering role.
9. Awareness of applying Construction (Design and Management) Regulations 2015 (CDM 2015).
Nice-to-haves that would make you stand out:
10. Strong technical knowledge of pumping systems and mechanical package plant.
11. Experience collaborating across multiple engineering disciplines to deliver fully integrated, operational solutions.
What’s in it for you?
12. Competitive salary from £55,000 to £65,000 per annum, depending on skills and experience.
13. 26 days holiday per year, increasing to 30 with the length of service. (Plus bank holidays).
14. Generous Pension Scheme through AON.
15. Access to lots of benefits to help you take care of you and your family’s health and wellbeing, and your finances – from annual health MOTs and access to physiotherapy and counselling, to Cycle to Work schemes, shopping vouchers and life assurance.
16. Performance-related pay plan directly linked to company performance measures and targets.