Assistant Project Manager - (Heavy Civils Infrastructure)
Location: Sizewell C, Leiston, Suffolk (5 days a week onsite).
Contract: Permanent, full-time.
Salary: Competitive depending on experience plus benefits.
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: Thursday 21 May 2026.
About the Role
Are you ready to take the next step in your project management career? We’re looking for an Assistant Project Manager to support the successful delivery of complex civil engineering projects, including heavy civils, groundworks, earthworks, and infrastructure.
Reporting directly to a Project Manager, you’ll play a key role in supporting the full lifecycle of contracts or work packages, from engineering and procurement to construction and commissioning. This is a fantastic opportunity to work on high-impact infrastructure projects in a technically challenging and regulated environment.
Key Responsibilities
- Support the planning and execution of engineering, procurement, construction, and commissioning activities
- Assist in managing contracts valued between £250k and £5m
- Help coordinate up to 200 contractor staff and multiple external stakeholders
- Maintain project schedules (Level 3 and 16-week rolling), ensuring alignment with overall project timelines
- Monitor progress, track milestones, and report on schedule, cost, and risk
- Apply Earned Value Management (EVM) and continuous improvement principles
- Ensure delivery of all project deliverables (LOD) and compliance with contractual obligations
- Support stakeholder engagement and maintain effective communication across teams
- Contribute to lessons learned and knowledge-sharing initiatives
- Ensure safety, quality, and regulatory standards are upheld throughout the project lifecycle
What We're Looking For
Essential Skills & Experience
- Experience in civil engineering projects, ideally with exposure to heavy civils (groundworks, earthworks, infrastructure)
- Proven ability to support technically complex projects in regulated environments (e.g., nuclear, energy, infrastructure)
- Strong understanding of project controls, cost management, scheduling, and risk management
- Familiarity with NEC or FIDIC contracts
- Excellent communication, stakeholder engagement, and organisational skills
- Proficiency in project management tools and methodologies (e.g., EVM, scheduling software)
Qualifications
- Degree in engineering, construction, physics, or a related field
- Chartered status (or working towards) with a relevant professional body
- Knowledge of CDM Regulations
- Project management training (e.g., APM Body of Knowledge, PRINCE2)
Desirable:
- Understanding of nuclear quality assurance and graded quality approaches
- Experience in PWR design or operations
Why Join us?
Be part of a transformative project that contributes to the UK’s net‑zero ambitions.
Collaborate with industry leaders and government stakeholders.
Enjoy career‑defining opportunities in a supportive and innovative environment.
Competitive salary, excellent benefits, and a chance to leave a lasting legacy.
You'll work in a dynamic, collaborative environment with a team that shares your commitment to safety, innovation, and excellence.
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