Remote Lead Infrastructure Engineer in Eastbourne

Assystem is an international company with one mission: accelerate the energy transition around the world. Every day, our 7,500 switchers located in 12 countries (Europe, Middle East, Pacific Asia & Africa) connect their six thousand billion neurons to tackle the task of the century: switching to low-carbon energy. We are a collective committed to the actors who are making the energy switch. Sharing our knowledge, expertise and values allows us to innovate and think differently about the energy transition.

Drawing on more than 55 years' experience in highly regulated sectors subject to strict security and safety requirements, we provide our customers with engineering and project management services, as well as digital services and solutions to optimise the performance of complex infrastructure projects throughout their life cycle. The Group is currently ranked third in the world for nuclear engineering.

This role will be to lead teams to deliver key infrastructure-related engineering activities. You will coordinate across electrical, mechanical, and civil disciplines, supporting the organisation in the planning, supervision, and review of design documentation.

• Lead multi-discipline engineering coordination
• Chair design reviews, working groups, and meetings with consultants, contractors, and internal stakeholders.
• Design substantiation ownership
• Develop, author, assess, and manage the Nuclear Infrastructure Design Substantiation suite.
• Support through-life safety case
• Produce Examination, Inspection, Maintenance & Testing (EIMT) schedules and operating procedures to satisfy long-term safety and design intent.
• Engage with nuclear safety governance
• Present substantiations to the Clyde ‘Due Process’ nuclear safety committees and support safety case submissions.
• Technical oversight and assurance
• Review and approve contractor reports, civil/structural justifications, and calculations.
• Contribute to Periodic Reviews of Safety (PRS)
• Develop reports supporting continued safe operation and regulatory compliance.

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

• Proven experience across concept, detailed design, and construction phases on electrical engineering projects—ideally within industrial or maritime environments.
• Skilled in assessing electrical plant and equipment for hazard resilience.
• Demonstrated ability to author robust technical justifications to support electrical design modifications in high-hazard industries.
• Familiarity with industrial systems such as pumps, generators, HVAC, SCADA, PAVA systems, etc.
• Experience contributing electrical expertise to multi-discipline projects, ideally within defence and/or maritime sectors.

Previous experience working within a high-risk, regulated environment.

• Experience in the UK nuclear industry (civil or defence), particularly in the design/assessment of safety-related structures, systems, and components (SSCs).
• Knowledge of UK and US nuclear regulatory frameworks, and application of nuclear-specific codes and standards.

Due to the nature of this role the successful candidate will require Security clearance. To gain this they will be required to be a Sole UK national.

Hybrid working from home/Assystem Office.

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

Predominantly WFH. Monthly travel to site for some key meetings is required.

This role requires the successful candidate to hold (or be able to obtain) a minimum of a Security Check (SC) clearance without any caveats to that clearance. Due to the nature of work this role will be delivering and for the protection of certain assets, the successful candidate has to be a sole UK national.

We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. Skills, talent, and our people’s ability to dare are the only things that matter! Bring your unique contributions and help us shape the future.