Senior Delivery Manager

About the role

We are seeking a Senior Delivery Manager to lead construction and engineering activities at the Mogden Sewage Treatment Works in Isleworth, Twickenham. You will oversee multiple workstreams in a live operational environment, ensuring safety, schedule, and quality while supporting the Thames Water Mogden STW team.

Key responsibilities

• Lead multiple workstreams including civil, mechanical, electrical, and process upgrades within a live treatment environment.
• Ensure projects meet programme, cost, quality, and performance targets.
• Champion a zero‑harm culture and manage high‑risk activities robustly.
• Build trusted relationships with the client, site operations teams, and alliance partners.
• Lead and develop a multi‑disciplinary management team.

Required profile

• Extensive senior management experience in wastewater, utilities, or complex infrastructure construction.
• Proven track record of delivering works in live operational environments.
• Strong commitment to safety leadership and a positive site culture.
• Experience working under NEC contracts and regulated client frameworks.
• Collaborative, trusted, and focused on continuous improvement.

Required skills

• NEC contracts
• Civil engineering
• Mechanical engineering
• Electrical engineering
• Process upgrades