Senior Project Manager – Sewage Treatment Works

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Senior Project Manager – Sewage Treatment Works
Reports to: Project Director

Project: Slough - Extension of an operational sewage treatment plant (STW)

Location: First year in Central London, then in Slough.

Role Summary

We are seeking an experienced Senior Project Manager with a strong background in water/wastewater infrastructure to lead the extension of a live sewage treatment works that must maintain full operations throughout construction.

The candidate will own end-to-end delivery (scope, programme, budget, quality, safety, environmental compliance) while ensuring a seamless coordination with Thames‘ Water’s operational team, strict adherence to Thames‘ Water procedures and standards, and effective management of multidisciplinary engineering and delivery teams (civil, mechanical, electrical, chemical/process).

Key Responsibilities:

• Lead the full project lifecycle from project initiation, design coordination, procurement, construction, commissioning, to handover/closeout.
• Plan and sequence the works to ensure a full coordination with the existing treatment processes, avoiding any unplanned outages, including a meticulously management of the isolations and live interfaces.
• Establish and maintain the Project Execution Plan, programme, cost plan, risk register, and change control in line with client and internal governance.

• Serve as the primary point of contact for Thames‘ Water and their operational representatives; chair progress, risk, and interface meetings.
• Coordinate permits, isolation plans, and method approvals with the Thames‘ Water operational team to safeguard continuity of service and compliance with permit-to-work systems.
• Manage regulatory, statutory, and third-party stakeholders (e.g., local authorities, EA interfaces, utilities).
• Champion a safety-first culture; ensure compliance with CDM Regulations, RAMS, LOTO, confined space controls, temporary works, lifting operations, and process safety protocols.

• Ensure robust environmental management: pollution prevention, odour control, sludge handling, silt and noise/dust management, and wastewater discharge compliance.
• Oversee quality…