Assistant Project Manager- Civils

Sizewell

C. The power of good for Britain. Assistant Project Manager
- Civils x 2

Location: Sizewell C, Leiston, Suffolk (minimum 3 days a week onsite).

Contract: Permanent, full-time.

Salary: £50,000- £60,000 depending on experience, plus benefits.

• 5% CIP bonus
• 28 days holiday, plus bank holidays
• Contributory pension of up to 7.5% employee/ up to 15% employer
• Ongoing professional development
• Other lifestyle benefits

Closing date: Sunday 7 June 2026.

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.

• 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

• Work with planners to track progress and milestones
• Support contract administration and subcontractor performance tracking
• Maintain accurate project records in line with CWA governance

• 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

• 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

If you enjoy working in a fast-paced environment, thrive on collaboration, and want to contribute to a project of national importance, we'd love to hear from you.

Let's build a cleaner, greener future together.