Site Operations Utilities Assistant Project Manager

Overview

Site Operations Utilities Assistant Project Manager

Location:

Sizewell C, Leiston, Suffolk (onsite 5 days per week)
•

Contract:

Permanent, full-time

Salary: £45,000–£55,000 per annum, depending on experience plus benefits

• Annual Leave: 28 days per annum, increasing to 30 days after 5 years of service, plus bank holidays.
• Bonus:
  Up to 5% annual bonus.
• Pension:
  Defined Contribution Pension Scheme with up to 7.5% employee contribution and 15% employer contribution.
• Flexible Benefits:
  Additional allowance for a variety of benefits.

Closing Date:
Wednesday, 11 February 2026

Sizewell C is one of the UK’s most significant infrastructure projects, delivering low‑carbon energy for generations. Joining us means contributing to a project of national importance, supporting energy security, regional growth, and long-term skilled employment.

The Site Operations Utilities Assistant Project Manager (APM) supports the Utilities Service Delivery Manager in coordinating and managing utilities operations and maintenance across the site.

You’ll oversee contractor teams delivering both temporary and permanent utilities services, ensuring the safe and efficient running of assets such as:

• Minor electrical systems
• Surface and foul water treatment plants
• Foul and surface water drainage systems
• Potable water storage facilities
• Potable water networks (including hydrants)
• Ground water abstraction systems

You’ll support the full lifecycle in a fast-paced environment from feasibility to construction and operational phases while promoting strong safety, environmental, and quality standards.

This is an excellent role for someone experienced in utilities O&M within large, regulated infrastructure projects.

• Assist and manage day-to-day delivery of critical utilities support services
• Work with the Utilities Service Delivery Manager to meet budget and schedule requirements
• Ensure compliance with safety, regulatory and statutory standards
• Build strong working relationships with contractors and stakeholders
• Support temporary design and design changes
• Coordinate minor works with neighbouring contractors
• Ensure contractor competencies and address skills gaps
• Produce plans that meet project expectations and service requirements
• Provide early intervention to resolve issues and maintain service continuity

• Support utilities service provision to a large construction workforce
• Support contract budget control (up to £100m)
• Manage key internal and external stakeholders
• Report on progress, risks, SLAs, KPIs, forecasting and planning
• Support delivery of the Programme Execution Plan (PEP)
• Identify, manage, and mitigate risks

• Management/leadership experience in highways, utilities or similar construction service environments
• Experience in high-security and regulated settings
• Proven experience leading multiple teams
• Knowledge of water regulation
• Strong communication and stakeholder skills
• Ability to work in a dynamic, fast-paced project environment
• Experience in large, complex project environments
• Proficiency with MS Project, AutoCAD, Office Suite, Outlook, GIS, Asset Management Systems, Field Reporting Apps, Share Point
• Strong interpersonal and teamwork skills

• Degree in Civil Engineering, Environmental Engineering, Management Engineering or similar construction-related discipline

• IOSH Managing Safely / NEBOSH General Certificate
• CSCS card
• NEC3/NEC4 contract awareness
• Customer service, conflict resolution, negotiation or leadership training

• Statutory permits & licences
• Quality assurance
• Budget development and control
• Contractor coordination
• Scheduling, risk logs, documentation
• Supporting technical and site teams

Join a nationally significant infrastructure programme where you’ll help deliver critical utilities services, work with industry-leading systems, and contribute to the long-term energy future of the UK.

Be part of something extraordinary. Apply today.