Job Description Sizewell C. The power of good for Britain. Project Manager- Networks Location: Sizewell C, Leiston, Suffolk (onsite 5 days a week). Contract: Permanent, full-time. Salary: circa £70,000 -£85,000, depending on experience, plus benefits. Benefits include: • Annual Leave: 28 days per annum, increasing to 30 days after 5 years of service, plus bank holidays. • Bonus: Up to 5% annual bonus. • Pension Contributions: Defined Contribution Pension Scheme with up to 7.5% employee contribution -15% employer contribution. • Flexible Benefits: Additional allowance for a variety of benefits including. Closing Date: Tuesday, 9 December 2025. Interviews in the week commencing 15 December 2025. About the Role We are seeking an experienced Project Manager to join our Networks team. Reporting directly to the Senior Project Manager or Delivery Manager, you will play a key role in delivering projects across the full lifecycle, from engineering and procurement through to construction and commissioning. This position involves managing complex work packages and ensuring delivery in line with safety, quality, time, and cost parameters. Responsibilities Define and manage the scope of work within assigned contracts or packages, including interfaces with the wider programme. Secure and manage resources, ensuring Suitably Qualified and Experienced Personnel (SQEP) standards are maintained and addressing any gaps promptly. Develop and implement delivery strategies aligned with the Programme Execution Plan (PEP). Maintain effective communication with internal and external stakeholders to ensure alignment and transparency. Drive safe, timely, and cost-effective execution of works, monitoring progress against milestones, budgets, and deadlines. Identify, manage, and escalate risks and issues as required, ensuring proactive resolution. Ensure consistency across Level 1–3 schedules and review contractor rolling plans and deliverables. Deliver against the List of Deliverables (LOD) and apply Earned Value Management (EVM) principles. Interface with other programmes to ensure alignment and adoption of best practices. Fulfil all contractual obligations and maintain strong working relationships across teams. Promote continuous improvement and ensure lessons learned are captured and shared throughout the project lifecycle. Key Dimensions of the Role Manage contracts/packages valued between £250k and £150m. Lead up to 3-4 direct reports and a matrix team of multidisciplinary professionals. Oversee up to 200 contractor staff and multiple external stakeholders. Essential Skills & Experience Proven track record of delivering projects in technically complex, regulated environments (ideally nuclear or similar). Experience managing complex projects valued at £15 million plus Strong experience in: Engineering design and execution strategies. Multi-discipline EPCM projects. Procurement and contract management (NEC or FIDIC) Cost, risk, schedule control and Earned Value Management. Skilled in stakeholder engagement and contractor management. Excellent communication, influencing, and facilitation skills. Strong analytical and numerical ability. Familiarity with PWR design and operations (desirable). Project management experience, including commercial and change management, estimating, scheduling, and risk management. Technical background with ability to interpret engineering drawings and specifications. Experience with Common Data Environments and document control systems. Knowledge of water or mechanical/electrical infrastructure projects advantageous. Qualifications Degree and chartered status in engineering, construction, physics, or related field. Good knowledge of CDM Regulations. Practitioner-level experience in Project Management methodologies (APM, Prince2). CSCS card - essential. Tools & Systems used CEMAR Microsoft Office Suite Microsoft Project or Primavera P6 Document Control systems (ACONEX, ASITE, Team Center, ProjectWise) Applicants coming from the general construction industry, with specialisms in water or foul water infrastructure, electrical, IT, FM, or client-focused project management environments, would be preferred. Why Join Us? This is an exciting opportunity to play a pivotal role in delivering complex network projects that shape the future of infrastructure. You’ll be part of a dynamic team, working on challenging projects with the chance to grow your career and make a meaningful impact. Are you ready to take the next step in your career? Apply now and be part of something extraordinary.