Assystem is an international company with one mission: to accelerate the energy transition around the world.
Every day, our 7,500 employees across 12 countries (Europe, Middle East, Pacific Asia & Africa) connect their expertise to tackle the challenge of switching to low-carbon energy.
We are committed to supporting those making the energy switch. Sharing knowledge, expertise, and values allows us to innovate and think differently about the energy transition.
With over 55 years' 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 in the world for nuclear engineering.
Our goal is to ensure a viable, efficient, and reliable energy future for all.
Job Description
Your Future Team:
The successful candidate will join the Design Authority (DA) team, a multidisciplinary group responsible for safety, integrity, and design assurance of defence infrastructure. The team oversees safety justifications, design compliance, operational performance, and change control across the full system lifecycle, acting as the Intelligent Customer and Approving Authority to maintain operational readiness and regulatory compliance.
Your Mission:
The Electrical Design Engineer will support both client sites within a multidisciplinary team, developing and maintaining design substantiation to ensure safety, compliance, and operational effectiveness according to regulatory standards and best practices.
Responsibilities:
* Develop and manage design substantiation and change documents
* Create and update EIMT schedules and operating procedures
* Produce Periodic Review of Safety (PRS) reports
* Present designs to nuclear safety committees
* Provide expert advice to internal and external stakeholders
* Apply engineering knowledge in high-risk nuclear environments
* Justify and support civil/structural design changes
* Review contractor reports and safety case submissions
* Check calculations and technical documents from team members
Key Requirements:
* Experienced Electrical Engineer with strong HV (up to 11kV) plant and distribution knowledge (LV considered with HV exposure)
* Familiar with British and European design standards and industry best practices
* Skilled across concept, detailed design, and construction phases in electrical projects (preferably industrial/maritime)
* Experience in assessing electrical equipment hazard resilience
* Proven ability to author technical justifications for electrical design changes in high-hazard industries
* Track record of contributing electrical input on multidisciplinary projects
* Knowledge of safety case methods (e.g., HAZID, HAZOP)
* Understanding of UK/US nuclear regulations and standards
My Profile
Skills to be successful
Experience:
Qualifications & Training:
* Essential: HNC or equivalent in relevant engineering discipline
Incorporated Engineer status or equivalent experience
Degree or similar qualifications in engineering
Why Join the Switchers Community?
We offer a dynamic career management policy with opportunities across operations, projects, technical, sales, and support functions. Employees can work on exciting global projects, access wellbeing resources, discounts, and schemes like cycle to work and flu jabs. We promote diversity and believe different backgrounds foster innovation. Skills, talent, and daring are what matter—bring your unique contributions to help shape the future.
Graduate Opportunities
If you're 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 on critical energy projects. Be part of the challenge of the century: accelerating the switch to low-carbon energy!
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