Sizewell C
Leiston · Posted 1 Oct 2026 · 23 applicants
Sizewell C’s business is to design, finance, construct, commission, operate, maintain, and eventually decommission the nuclear power plant and related infrastructure at Sizewell C in Suffolk. Overall, whilst the Company is in the construction phase, the Boards’ principal focus is on the development and construction of Sizewell C on time, on budget and to the highest quality and safety standards. The Company is maturing to meet all these requirements.
Sizewell C is economically regulated by OFGEM under the RAB model similar to other UK electricity distribution networks and Thames Tideway.
Sizewell C construction strategy is to replicate the design of Hinkley Point C, using the majority of the same supply chain, but innovating in the way it is delivered to achieve savings in time and cost of around 20%. The CCO will need to be guided by and incorporate lessons learned from the Hinkley Point C commercial delivery to achieve Sizewell C’s ambition.
Following Financial Completion and Revenue Commencement, Sizewell C is fully funded and is owned by; The Secretary of State for Energy Security and Net Zero representing HM Government, La Caisse, Centrica, EDF and Amber Infrastructure.
Senior Project Manager - Site Operations Projects
Location: Sizewell C, Leiston, Suffolk (5 days a week onsite).
Contract: Permanent, full- time.
Salary: Competitive -dependent on experience.
Benefits:
10% CIP bonus
28 days holiday, plus bank holidays
Contributory pension of up to 7.5% employee/15% employer
Ongoing professional development
Other lifestyle benefits
Closing day: Tuesday 13 October 20226.
Lead One of the UK's Most Significant Infrastructure Projects
Sizewell C is seeking an experienced Senior Project Manager to lead the delivery of a diverse portfolio of Site Operations projects and support services, supporting one of the UK's largest infrastructure projects.
Reporting to the Site Operations Site Lead, you will lead and manage a team of Site Operations Project Managers, Assistant Project Managers and Service Delivery Managers, overseeing the planning and delivery of welfare facilities, site infrastructure, operational projects and key supporting services across the Sizewell C programme. The role requires strong leadership, stakeholder management, project controls expertise, and an unwavering commitment to health and safety.
Key Responsibilities
What We're Looking For
Desirable
Key Competencies
This is an excellent opportunity to play a key role in delivering the facilities and infrastructure that will support the successful construction of Sizewell C. Apply Now!
Behavioural Competences
Humility
Recognise the value brought from different cultures and experiences.
Be open to other’s points of view and ideas, be willing to debate and to compromise.
Positivity
Positively challenge poor quality and performance.
Identify solutions at the lowest possible level.
Encourage tier 1s and others to bring new ideas forward.
Respect
Value the rules and environment in which we operate.
Give and receive feedback with respect.
Embrace and engage with new people and ideas.
Solidarity
One team, working closely together and helping each other.
Empowered teams always looking forward.
Shared responsibility for delivery the project outcomes.
Clarity
Communicate clearly and consistently.
Promote collaboration and team alignment.
Clearer and faster decision making.
Drive simplification at all levels.
When joining Sizewell C, you may wonder why you are contacted by colleagues with an EDF email or see the EDF logo on portals that you access and/or documentation you receive; this is because we have partnered with EDF for the pro