Assystem is an international company with one mission: accelerate the energy transition around the world.

Every day, our 7,500 employees located in 12 countries (Europe, Middle East, Pacific Asia & Africa) connect their expertise to tackle the task of the century: switching to low-carbon energy.

We are committed to supporting actors making the energy switch. Sharing our knowledge, expertise, and values allows us to innovate and think differently about the energy transition.

With over 55 years of experience in highly regulated sectors requiring strict security and safety standards, we provide engineering, project management, digital services, and solutions to optimize complex infrastructure projects throughout their lifecycle. The Group is ranked third worldwide for nuclear engineering.

Our goal: To ensure a viable, efficient, and reliable energy future for all.

Job Description

Your Mission:

This role involves leading teams to deliver key infrastructure-related engineering activities. You will coordinate across electrical disciplines, supporting planning, supervision, and review of design documentation. Managing technical interfaces and ensuring effective integration with internal and external stakeholders is also key.

Key Responsibilities:

1. Lead multi-discipline engineering coordination: Chair design reviews, working groups, and meetings with consultants, contractors, and stakeholders.
2. Design substantiation ownership: Develop, assess, and manage the Nuclear Infrastructure Design Substantiation suite.
3. Control design integrity: Manage design changes and concessions, ensuring safety and operational compliance.
4. Support through-life safety case: Produce schedules and procedures for long-term safety and design intent.
5. Engage with nuclear safety governance: Present substantiations to safety committees and support safety case submissions.
6. Technical oversight and assurance: Review contractor reports, conduct assessments, and peer reviews.
7. Contribute to Periodic Reviews of Safety (PRS): Develop reports supporting safe operation and compliance.

My profile

Strong knowledge of British and European design standards and current engineering practices.

Solid understanding of High Voltage (HV) and Low Voltage (LV) electrical systems.

Proven experience in concept, detailed design, and construction phases of electrical engineering projects, ideally in industrial or maritime environments.

Skilled in assessing electrical plant and equipment for hazard resilience.

Ability to author robust technical justifications for electrical design modifications in high-hazard industries.

Familiarity with systems such as pumps, generators, HVAC, SCADA, PAVA systems.

Experience in contributing electrical expertise to multi-discipline projects, especially in defence and maritime sectors.

Experience working in a high-risk, regulated environment.

Understanding of safety case development methodologies (e.g., HAZID, HAZOP).

Experience in the UK nuclear industry, particularly in safety-related structures, systems, and components (SSCs).

Knowledge of UK and US nuclear regulatory frameworks and application of nuclear-specific codes and standards.

Additional Information

The successful candidate will require Security clearance, which necessitates being a sole UK national. Hybrid working from home and Assystem office applies.

Benefits include:

• Pension scheme (8% company contribution / 4% personal contribution)
• 25 days’ paid annual leave + bank holidays + option to buy or sell days
• Professional fees reimbursed

Primarily WFH, with monthly travel to site for meetings.

Sole UK National, SC clearance required to start. The role involves delivering sensitive assets, requiring sole UK nationality.

Assystem promotes diversity and equal opportunity. We value skills, talent, and the ability to innovate. 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, working on critical energy projects.

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