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. In the construction phase the Board’s principal focus is on delivering Sizewell C on time, on budget and to the highest quality and safety standards.
Position: Assistant Project Manager – Civils (Permanent, Full‑time) at Sizewell C, Leiston, Suffolk (minimum 3 days a week onsite).
Salary: £50,000 – £60,000 depending on experience, plus benefits.
Benefits:
- 5% CIP bonus
- 28 days holiday, plus bank holidays
- Contributory pension up to 7.5% employee / up to 15% employer
- Ongoing professional development
- Other lifestyle benefits
About the role
As an Assistant Project Manager – Civils you will support the delivery of major civil engineering works through the Civil Works Alliance (CWA). Working with industry partners (Bouygues, Laing O’Rourke, Balfour Beatty) you will assist the Project Manager and Senior Project Manager in coordinating engineering, supply chain and construction activities across the programme.
You’ll collaborate closely with key stakeholders—including the Responsible Designer, EH&S, permits and consents, quality teams and suppliers—to prepare and deliver work packages safely, efficiently and to the required standards.
The Civils Programme covers major enabling and earthworks—such as sea defences, site infrastructure, excavation, drainage and diaphragm walling—critical to supporting nuclear, conventional and heat‑sink islands.
Key Responsibilities
Health, Safety, Environment & Quality (HSEQ)
- Promote a strong safety culture and compliance with Sizewell C standards.
- Support audits, safety walk‑downs and assurance activities.
- Ensure readiness to start, including permits, method statements and quality checks.
Project coordination & delivery
- Support the delivery of enabling & earthworks work packages.
- Monitor site progress, risks and issues, and help drive solutions.
- Assist with planning, look‑ahead activities and coordination meetings.
- Support effective communication between site teams, designers and stakeholders.
- Contribute to project documentation, reporting and continuous improvement.
Planning, commercial & governance support
- Work with planners to track progress and milestones.
- Support contract administration and subcontractor performance tracking.
- Maintain accurate project records in line with CWA governance.
Stakeholder & interface management
- Work closely with internal teams, supply chain and external stakeholders.
- Support permits, consents and interface coordination.
- Act as a point of contact for queries relating to work packages.
What we’re looking for
Essential
- Degree (or equivalent experience) in engineering, construction or project management.
- Strong coordination and organisational skills.
- Ability to work across multidisciplinary teams in a fast‑paced environment.
- Good understanding of construction and health & safety practices (including CDM).
- Strong communication and stakeholder engagement skills.
- Competence in project tools (e.g., Excel, reporting and document systems).
- High attention to detail and a proactive, collaborative approach.
Desirable
- Experience in civil engineering, infrastructure or earthworks projects.
- Knowledge of site operations, sequencing and logistics.
- Experience on major infrastructure projects (e.g. nuclear, rail, highways).
- Awareness of NEC contracts and governance frameworks.
- Working towards APM, PRINCE2 or similar.
Why join us?
- Be part of one of the UK’s most ambitious and high‑profile infrastructure projects.
- Work in a collaborative alliance model with leading industry partners.
- Strong opportunities for development and career progression.
- Competitive salary, bonus and benefits package.
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