Senior Project Manager (Sizewell C)

The Sizewell C Jobs Service supports local people into exciting, long-term careers across our Project.#SZCJobs

Senior Project Manager (Utilities and Infrastructure O&M) Site Operations
Sizewell C

Location: Leiston, Suffolk, 5 days per week onsite.
Salary: Competitive, dependent on experience, plus benefits
Benefits include:
Annual Leave: 28 days per annum, increasing to 30 days after 5 years of service, plus bank holidays.
Bonus: Up to 10% annual bonus.
Pension Contributions: Defined Contribution Pension Scheme with up to 7.5% employee contribution 15% employer contribution.
Flexible Benefits: Additional allowance for a variety of benefits.

Closing Date: Sunday 11th October 2026

Lead One of the UK's Most Significant Infrastructure Projects

Sizewell C is one of the UK's largest and most exciting infrastructure projects. We're looking for an experienced Senior Project Manager (Utilities & Infrastructure) to lead the operation and maintenance of critical site handed over built utilities and infrastructure that will support thousands of workers across the Sizewell C programme.

This is a unique opportunity to take ownership of a major operational portfolio, manage significant budgets, lead high-performing teams, and play a key role in delivering a nationally important project.

The Role

Reporting to the Site Operations Site Lead, you'll plan, lead and coordinate the operation and maintenance of wet and dry utilities, site infrastructure and support the service delivery of the services across the Sizewell C footprint.You'll work closely with senior stakeholders, contractors and service providers to ensure safe, efficient and compliant operations while driving continual improvement and operational excellence.

What You'll Be Doing

Leading Site Operations Utilities & Infrastructure operations and maintenance of handing over built assets across the Sizewell C site
Managing Service Delivery Managers, PMs / APMs and specialist contractors
Overseeing a portfolio with an annual budget of approximately £30m
Driving health, safety, compliance and operational performance
Managing stakeholder relationships across the project and supply chain
Coordinating utility and infrastructure handovers from construction into operations
Supporting future infrastructure, utilities and site operations projects
Providing clear leadership, governance and commercial oversight

What We're Looking For

Degree-qualified in Construction Management, Civil Engineering, Engineering or similar
SMSTS or IOSH qualified
Significant experience delivering infrastructure, utilities or major construction projects
Experience working within a Principal Contractor environment
Strong leadership, stakeholder management and programme delivery skills
Proven commitment to safety, quality and operational excellence
Strong project controls, programme management and reporting experience.
Experience In One or More of the Following Areas: Utilities Operations & Maintenance Infrastructure Management, Site Establishment, Logistics, Facilities Management, Earthworks , large Civil Engineering Projects

Desirable

CIOB or MICE membership
Experience on large-scale infrastructure projects

Why Join Sizewell C?

Work on a nationally significant project
Lead high-profile projects with real impact
Competitive salary and bonus
Excellent career development opportunities
Collaborative and supportive team culture

If this sounds like the next step in your career, we’d love to hear from you. Apply today.

For this role you must have evidence of right to work in the UK. As a project, we do not discriminate on the grounds of age, gender, race, colour, religion, disability or sexual orientation, and we welcome applications from all sections of the community.