Electrical Engineer

Assystem, Switch On; Morley; Hybrid; GBP 45,000 - 65,000; Full time

Job summary

A leading engineering company in the UK seeks an Electrical Engineer for their Fusion and Modular Nuclear Business Unit. The successful candidate will develop and design electrical systems for nuclear facilities, ensuring compliance with safety standards and collaborating with multidisciplinary teams. This role offers hybrid work flexibility, attractive social benefits, and opportunities for professional growth. Ideal candidates will have experience in regulated sectors and a strong grasp of electrical distribution systems.

Benefits

Attractive social benefits

Ongoing training

Career development opportunities

Qualifications

• Proven experience in regulated, safety-critical sectors.
• Strong grasp of protection principles and installation methods.
• Experienced in creating SLDs and cable calculations.

Responsibilities

• Develop electrical system designs including diagrams and specifications.
• Produce essential design documentation such as calculations and studies.
• Ensure designs comply with safety standards and requirements.

Skills

Electrical engineering experience

Electrical distribution systems

Creating electrical deliverables

Nuclear design expectations

UK and international standards

Communication and collaboration

Power system modelling tools

Nuclear new build/decommissioning experience

Education

Degree in Electrical Engineering

Tools

ETAP

Amtech

EasyPower

Job description

Company Description

Assystem is a global leader committed to accelerating the energy transition. With 7,850 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 a Electrical Engineer to join our expanding Fusion and Modular Nuclear (FMN) business unit. As leaders in the design and development of new technologies, you will have the opportunity to work across multiple cutting‑edge projects developing technical solutions making net‑zero power generation a reality.

Providing engineering expertise in the design, analysis and verification of electrical systems used across nuclear facilities. The role supports new build, operational plant upgrades and decommissioning projects. The engineer ensures electrical designs are safe, compliant and integrated effectively with control, protection and mechanical systems throughout the lifecycle fert .

Key Responsibilities

• Develop electrical system designs: Design electrical systems, including single‑line diagrams, load schedules, cable routing, earthing and bonding arrangements, and equipment specifications.
• Produce design documentation: Create essential design documents such as electrical calculations, protection schemes, coordination studies, panel designs and installation drawings.
• Apply nuclear safety requirements: Interpret and apply nuclear safety requirements, ensuring electrical systems support reliability, maintainability and defense in depth.
• Undertake power system studies: Conduct power system studies including load flow, fault level analysis, discrimination and arc flash assessments when required.
• Select electrical equipment: Choose appropriate electrical equipment like LV/MV switchgear, transformers, UPSintrics, motors, drives and distribution components suited for nuclear environments.
• Ensure design compliance: Ensure designs comply with relevant standards such as BS EN 61508, BS 7671, IEC 60364 and nuclear site‑specific requirements.
• Collaborate across teams: Work closely with EC&I, control systems, mechanical, civil and safety engineers to ensure seamless integration across interfaces.
• Support control systems: Support the electrical aspects of instrumentation and control systems, including power supplies, segregation, EMC considerations and environmental qualification.
• Engage in design reviews: Participate in design reviews, HAZOPs, failure mode assessments and engineering substantiation activities to optimise safety and performance.
• Provide support during manufacturing & commissioning: Support manufacturing, FAT, SAT and commissioning phases, resolving electrical design issues and ensuring traceability to requirements.

Why Join the Community of Switchers?

Over 55 years in nuclear engineering.

Rankedամբ 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.

Qualifications

Skills and Experience

• Proven electrical engineering experience in regulated, safety‑critical sectors—bringing hands‑on expertise from industries like nuclear, defence 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 specs and protection settings.
• Familiar with nuclear design expectations—from safety classifications and redundancy to 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.
• Desirable: Able to use power system modelling tools such as ETAP, Amtech, EasyPower or similar for accurate and efficient analysis.
• Desirable: Experience in nuclear new build, plant life extension or decommissioning—bringing valuable lifecycle insights.
• Desirable: Understanding of C&I power supply design, including UPS selection and battery sizing for robust system reliability.
• Desirable: Knowledge of EMC, lightning protection and protective earthing schemes tailored for nuclear environments.
• Desirable: Chartered Engineer status (or working toward it)—showcasing commitment to professional excellence.
• Desirable: Experience reviewing vendor packages and conducting technical bid evaluations to support informed procurement decisions.

Additional Information

• BPSS and SC required.
• Ability to travel to Assystem offices and customer sites within the UK.
• To undertake work packages supporting major UK and international nuclear clients.
• Due to the nature of work to suggest applicants will be required to meet certain residency criteria to attain a minimum level of UK security clearance if not already security cleared to a minimum SC level.

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! Bring your unique contributions and help us shape the future