Assystem is a global leader committed to accelerating the energy transition. With 7,750 employees across 12 countries, we tackle the monumental task of switching to low-carbon energy. Our 55+ years of experience in highly regulated sectors ensure we deliver top-notch engineering, project management, and digital solutions.

Job Description

Join the Fusion and Modular Nuclear Business Unit! Assystem has an exciting opportunity for an Engineering Manager to join our expanding Fusion and Modular Nuclear (FMN) business unit. As leaders in the design and development of new technologies, you will work on multiple cutting-edge projects developing technical solutions to make net-zero power generation a reality.

We are looking for an experienced Engineering Manager with Grid experience!

• Drive the timely delivery of key lifecycle milestones ensuring swift stakeholder review and acceptance.
• Own the resolution of engineering challenges—including Technical Queries, Early Warnings, Open Points, and design changes—aligned with contract requirements and RACI governance.
• Engage approval bodies when Safety Case implications are identified, ensuring compliance and risk management.
• Coordinate across all delivery stakeholders, ensuring smooth information flow and adherence to schedules.
• Establish a clear prioritisation process for handling queries and issues efficiently, balancing operational demands in manufacturing and installation.
• Deliver all engineering outputs on plan, collaborating with stakeholders to stay on track.
• Secure seamless engineering support across all phases, escalating interface issues during installation and ensuring timely responses.
• Ensure successful delivery of Technical Acceptance, aligned with surveillance frameworks and quality standards.
• Support risk and opportunity management for engineering scope, including tracking in ARM where needed.
• Manage design interfaces and supplier feedback, maintaining control over changes and inputs.
• Assist Quality Management by leading technical resolution of manufacturing NCRs with urgency.
• Follow up on equipment qualification programmes, resolving engineering-related queries, deviations, and changes.

Why Join the Community of Switchers?

• Over 55 years in nuclear engineering.
• Ranked among the top 3 largest nuclear engineering companies.
• Attractive social benefits, including an engaging Employee Committee and holiday bonuses.
• Ongoing training with numerous career opportunities.
• 70% of our managers are promoted internally!
• Hybrid work: 1-2 days remote per week.

My profile

• Degree-qualified and Chartered in engineering, construction, or a related technical field.
• Proven track record of technical leadership in complex, high-risk environments—delivering safely and responsibly, ideally within Nuclear Energy or similarly regulated sectors.
• Strong understanding of integrated management systems, with knowledge of relevant policies, procedures, standards, and contractual documentation.
• Deep technical expertise in your discipline, providing credibility in complex engineering challenges.
• Skilled in stakeholder engagement, with a knack for facilitating discussions and resolving issues.
• Exceptional communication skills, both written and verbal, with strong presentation, influencing, and facilitation abilities.
• Sharp analytical and numerical skills, enabling data-driven decisions and sound engineering judgement.
• In-depth knowledge of PWR/EPR design, with hands-on experience in PWR/EPR construction a strong advantage.
• Familiarity with EU directives, British Standards, and internal standards and procedures.
• Solid understanding of CDM Regulations, ensuring safe and compliant project delivery.
• Project management experience, applying APM Body of Knowledge or PRINCE2 methodology.
• Travel readiness: Ability to travel within the UK to Assystem offices and client sites.
• Global impact: Support major UK and international Nuclear Clients with key work packages.

Note: Applicants must meet residency criteria to attain UK security clearance, if not already security cleared to at least SC level.

We are committed to diversity and equal opportunity. We believe that diverse backgrounds and perspectives foster innovative solutions. Skills, talent, and the ability to dare are what matter. Bring your unique contributions and help us shape the future.

Are you a prospective or recent graduate?

Join our Switch to Grow UK Graduate Scheme to gain hands-on experience in engineering, digital services, and project management by working on critical energy projects.

Be part of the challenge of the century: accelerating the switch to low-carbon energy!