Company Description

• ️ About Assystem

Assystem is an international leader with one mission: accelerate the global energy transition. Every day, our 7,550 Switchers across 12 countries apply their expertise in highly regulated industries to tackle the task of the century — switching to low-carbon energy. Drawing on over 55 years’ experience in complex, safety-critical environments, we deliver engineering, digital, and project management services to optimise infrastructure performance across its life cycle. Ranked second worldwide in nuclear engineering, we are building a sustainable, reliable, low-carbon future.
Why Join the Community of Switchers?
At Assystem, you’ll join one of the three largest nuclear engineering companies globally. Your future team will support mission-critical programmes in highly regulated environments, helping deliver complex projects safely, efficiently, and innovatively. Together, we’ll share expertise, drive best practice, and shape a resilient low-carbon energy future.
Job Description
The Job Mission
This role supports the delivery of high-value nuclear and energy projects, ensuring effective integration across planning, resources, contracts, and stakeholders.
You’ll work alongside Senior Project Managers to deliver complex work packages.

Your future team ensures safety, cost, and schedule performance on mission-critical programmes.

• ️ Assist Senior Project Manager to implement strategies aligned to programme execution plan
• ️ Secure resources, maintain SQEP standards, and identify project personnel needs
• ️ Drive delivery of contract/package activities to scope, budget, schedule and safety standards
• ️ Track project progress, risks, milestones and provide regular stakeholder reporting
• ️ Develop and maintain project schedules aligned with integrated programme planning
• ️ Anticipate, manage and escalate risks, issues, and commercial challenges
• ️ Capture lessons learnt and embed knowledge sharing as business-as-usual practice
• ️ Interface across multiple programmes, adopting best practice and ensuring compliance

Qualifications
Essential Skills
Demonstrated knowledge of leadership in complex, highly regulated projects
Proficient numeracy, analytical and critical reasoning skills
Skilled in estimating, scheduling, programming, risk and Earned Value Management tools
Understanding of CDM Regulations and nuclear quality assurance requirements
Degree in engineering, construction or related field (desirable but not essential)
Professional qualification in project management (APM PPQ or equivalent desirable)

Demonstrated project management experience including:

• Engineering design, contract, and field execution strategies
• Multi-discipline EPCM projects
• Construction management activities
• Procurement and management of complex contracts
• Control of costs, risk, schedule, and change
• Management of commercial claims and negotiation experience

Strong stakeholder engagement, influencing and facilitation skills
✔️ Desired Skills
✔️ Working knowledge of CDM Regulations
✔️ Excellent presentation, influencing and facilitation skills
✔️ Understanding of nuclear quality requirements and assurance processes
✔️ Experience operating within NEC and FIDIC commercial arrangements
✔️ Direct experience in regulated energy or nuclear project environments
Additional Information
Why You Should Apply
Play a pivotal role in the UK’s nuclear energy future by supporting the successful operational start-up of Hinkley Point C. Join Assystem’s high-impact delivery team and shape the long-term readiness of one of Europe’s most significant energy projects.

Please refer the Job description for details