Overview
Assystem is a leading independent nuclear engineering firm with over 60 years of experience, supporting public and industrial stakeholders in complex infrastructure projects that demand high safety and security requirements.
Position
Electrical Engineer – Fusion and Modular Nuclear (FMN) Business Unit
Key Responsibilities
* Design electrical systems, including single-line diagrams, load schedules, cable routing, earthing and bonding arrangements, and equipment specifications.
* Create essential design documents such as electrical calculations, protection schemes, coordination studies, panel designs, and installation drawings.
* Interpret and apply nuclear safety requirements to ensure electrical systems support reliability, maintainability, and defense in depth.
* Conduct power system studies including load flow, fault level analysis, discrimination, and arc flash assessments when required.
* Select appropriate electrical equipment such as LV/MV switchgear, transformers, UPS systems, motors, drives, and distribution components suited for nuclear environments.
* Ensure designs comply with relevant standards such as BS EN 61508, BS 7671, IEC 60364, and nuclear site-specific requirements.
* Collaborate closely with EC&I, control systems, mechanical, civil, and safety engineers to ensure seamless integration across interfaces.
* Support the electrical aspects of instrumentation and control systems, including power supplies, segregation, EMC considerations, and environmental qualification.
* Participate in design reviews, HAZOPs, failure mode assessments, and engineering substantiation activities to optimize safety and performance.
* Assist during manufacturing, FAT, SAT, and commissioning phases, resolving electrical design issues and ensuring traceability to requirements.
Qualifications
* Proven electrical engineering experience in regulated, safety-critical sectors, such as nuclear, defense, or energy.
* Strong grasp of electrical distribution systems, including protection principles and best-practice installation methods.
* Skilled in creating core electrical deliverables such as SLDs, cable calculations, equipment specifications, and protection settings.
* Familiar with nuclear design expectations—including safety classifications, redundancy, segregation, and qualification requirements.
* Knowledgeable in key UK and international standards, including BS 7671, IEC/BS EN, ENA documents, and more.
* Excellent communicator and collaborator, experienced working in multi-disciplinary project environments.
* BPSS and SC security clearance required.
* Ability to travel to Assystem offices and client sites within the UK.
* Willingness to undertake work packages supporting major UK and international nuclear clients.
Desirable Attributes
* Experience using power-system modelling tools such as ETAP, Amtech, EasyPower, or similar.
* Experience in nuclear new build, plant life extension, or decommissioning.
* Understanding of C&I power-supply design, including UPS selection and battery sizing for robust system reliability.
* Knowledge of EMC, lightning protection, and protective earthing schemes tailored to nuclear environments.
* Chartered Engineer status or progress toward it.
* Experience reviewing vendor packages and conducting technical bid evaluations.
Security and Travel Requirements
* Applicants must meet residency criteria to attain the minimum UK security clearance needed (SC level) unless already cleared.
* Travel to Assystem offices and customer sites within the UK is required.
Benefits
* 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 managers are promoted internally.
* Hybrid work: 1–2 days remote per week.
Equal Employment Opportunity Statement
We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter.
#J-18808-Ljbffr