Location: Sizewell C, Leiston, Suffolk (minimum 3 days a week onsite).
Contract: Permanent, full-time.
* 5% CIP bonus
* Contributory pension of up to 7.5% employee/ up to15% employer
* Other lifestyle benefits
Closing date: Sunday 7 June 2026.
About the role
Join Sizewell C as an Assistant Project Manager- Civils, supporting the delivery of major civil engineering works through the Civil Works Alliance (CWA).
Working within a highly collaborative Alliance environment (Sizewell C, Bouygues, Laing O’Rourke and Balfour Beatty), you will support the Project Manager / Senior Project Manager in coordinating engineering, supply chain, and construction activities across the programme.
You’ll work closely with key stakeholders including the Responsible Designer, EH&S, permits and consents, quality teams and suppliers, helping to prepare and deliver work packages safely, efficiently and to the required standards.
The Civils Programme spans a long‑term delivery schedule and includes major enabling and earthworks, such as sea defences, site infrastructure, excavation, drainage and diaphragm walling‑critical to supporting the wider plant construction across the 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 walkdowns and assurance activities
* Ensure readiness to start, including permits, method statements and quality checks
* Support the delivery of Enabling & Earthworks work packages
* Monitor site progress, risks and issues, and help drive solutions
* Assist with planning, lookahead 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
* 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
* Competent in project tools (e.g., Excel, reporting and document systems)
* High attention to detail and a proactive, collaborative approach
* 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
* 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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