Location
Hybrid – Coppermills Water Treatment Site, Walthamstow, London, E17 7HQ.

Hours
36 hours a week, Monday to Friday.

Salary
£67,000 to £88,000 per annum depending on experience.

About the Role
Ready to shape the future of water infrastructure for one of the world’s greatest cities? As a Senior Project Manager with Thames Water, you won’t just oversee a complex £100M+ project – you’ll join a legacy of dedicated professionals delivering life’s essential service to millions of Londoners. Join Thames Water’s Major Projects & Programmes Team at this pivotal moment in our mission to future-proof London’s water supply. You’ll lead a cross-functional project team and partner with our Tier 1 contractor to successfully deliver major infrastructure improvements at our Coppermills Water Treatment Works. This is not just another project—it’s a flagship initiative involving intricate engineering, demanding stakeholder management, and the opportunity to drive outcomes that matter on a national scale.

You will lead the delivery of a highly complex, multi-year project on a 24/7 live operational site, build strong relationships within Thames Water, our delivery partners, and stakeholders, own project governance, contract management, and reporting. Collaborate with colleagues and delivery partners to deliver project outcomes in terms of time, cost, and quality. Strategically guide the team to anticipate and navigate delivery challenges and issues. Champion continuous improvement and mentor and upskill emerging talent. Lead with integrity and influence for the benefit of the project, the wider business, and the sector.

Additional Information
Must have access to a car and a driving licence.

Benefits
Competitive salary, 26 days holiday per year increasing to 30 with length of service (plus bank holidays), car allowance, performance-related pay plan linked to company and individual targets, generous pension scheme through AON, private medical healthcare, and access to a wide range of health, wellbeing, and financial benefits including annual health MOTs, physiotherapy, counselling, Cycle to Work schemes, shopping vouchers, and life assurance.

Experience
Proven experience managing large-scale (circa £100M) construction projects from inception to handover. Strong working knowledge of relevant UK regulations and contracts such as NEC and IChemE. Experience in stakeholder management and contract governance.

About you
Excellent leadership, negotiation, and communication skills. Ability to work independently, manage competing priorities, and thrive under pressure. Resilient and determined team player focused on achieving the best outcomes. Relevant water sector experience is desirable but not essential.

Qualifications
Degree qualified in a relevant discipline such as engineering, project management, or a similar field.