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Location: Sizewell C, Leiston, Suffolk (5 days a week on-site)
Contract: Permanent, full - time.
Salary: £55,000 - £65,000 dependent on experience.
5% 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: Monday 21st September 2026
Help Deliver One of the UK's Largest Infrastructure Projects
Sizewell C is at the heart of the UK's clean energy future. We're looking for an ambitious and proactive Assistant Project Manager to join our Site Operations Infrastructure team and play a key role in supporting the delivery and maintenance of critical infrastructure across the Sizewell C project.
This is an exciting opportunity for someone with experience in highways, infrastructure maintenance, construction operations, or major project delivery environments who thrives in a fast-paced and highly regulated setting.
Reporting to the Site Operations Service Delivery Manager, you will support the day-to-day coordination and management of infrastructure operations and maintenance contracts that enable the safe and efficient running of the Sizewell C project.
You will work closely with contractors and stakeholders across a diverse range of activities, including:
Highway maintenance and minor civils works
Temporary and permanent infrastructure assets
Site access roads and pedestrian routes
Security access plazas
Temporary buildings and facilities
Utilities and support infrastructure
Off-site property maintenance activities
As part of the Site Operations team, you'll help ensure services are delivered safely, efficiently, on time and within budget while supporting a peak construction workforce of approximately 8,000 people.
Support the management of infrastructure operation and maintenance contracts with values of up to £10m annually.
Coordinate contractors delivering construction, maintenance and operational activities across site.
Ensure compliance with all statutory, regulatory and site-specific requirements.
Monitor contractor performance against KPIs, SLAs, safety standards and project objectives.
Support budget management, forecasting and financial reporting activities.
Manage stakeholder relationships across multiple functions and disciplines.
Assist with temporary works design coordination and design change management.
Ensure construction and maintenance activities are effectively integrated with surrounding contractors and project teams.
Contribute to weekly progress reviews and recovery planning where necessary.
Support monthly reporting on safety, performance, financials and future planning.
Champion a collaborative "one team" approach across contractors and project stakeholders.
Promote and maintain the highest standards of health, safety and environmental performance.
We're looking for a motivated individual who enjoys solving problems, managing competing priorities and working collaboratively across large-scale projects.
Experience working within a highways, infrastructure, construction or service-led operational environment.
Proven experience delivering work safely in a highly regulated setting.
Experience managing contractors, teams or service providers.
Strong IT, communication and stakeholder management skills.
Experience within large, complex projects.
Ability to work effectively in a dynamic and fast-paced environment.
Strong organisational and problem-solving skills.
Confidence to make decisions and manage changing priorities.
Collaborative approach with a commitment to building positive working relationships.
HND, HNC or equivalent qualification in a related discipline.
Experience with road and network construction projects.
Experience delivering modular building projects.
Experience managing vehicle and pedestrian access infrastructure.
Knowledge of construction quality assurance and quality control processes.
Experience using Microsoft Project and Microsoft Office applications.
AutoCAD experience.
Experience developing and managing project budgets.
Apply Now!
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.
EDF is leading the charge towards An Electric Britain to help make energy more affordable and sustainable.
Our nuclear fleet has powered UK homes with low-carbon electricity for more than 40 years, and we're helping to advance new projects at Hinkley Point C and Sizewell C.
But we’re not stopping there.
We're also investing in wind, solar, and battery storage technology, and helping customers electrify their homes and businesses with low-carbon tech like heat pumps and electric vehicles. Join us in building, powering, and enabling An Electric Britain.
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