EC&I Designer

Assystem is a global leader committed to accelerating the energy transition. With 7,500 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.

Join the Fusion and Modular Nuclear Business Unit! Drive the cutting-edge design and development of Electrical Systems for the revolutionary SMR nuclear power plant! From defining system architecture to selecting and specifying high-performance equipment, you’ll play a key role in delivering a fully verified, world-class power station. Collaborate with top engineering teams across the project and apply a structured systems engineering approach to bring innovative electrical solutions to life.

Your mission:

• Define & Manage Requirements – Review, translate, and document electrical requirements, constraints, and interfaces (e.g., IBM DOORS).
• Design & Implement Solutions – Develop, analyze, and verify electrical system/component designs, including modeling, simulation, and testing.
• Ensure Compliance & Quality – Work with Verification teams, conduct technical reviews, and maintain engineering standards.
• Support Strategy & Risk Management – Contribute to capacity planning, long-term goals, and risk mitigation.
• Develop & Share Knowledge – Create policies, tools, training, and provide expert guidance to teams.
• Collaborate & Represent – Engage with internal teams, regulators, clients, and suppliers to drive project success.

Why Join the Community of Switchers?

• 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 our managers are promoted internally!
• Hybrid work: 1-2 days remote per week.

My profile:

• Proficiency in CDM Regulation application.
• Expertise in space management, cable routing, and cable management.
• Strong team player with the ability to work independently under tight deadlines.
• Excellent communication and interpersonal skills.
• Degree in a relevant discipline.
• 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.
• Previous experience in electrical power generation or the nuclear sector an advantage.
• Due to the nature of work to be undertaken, applicants will be required to meet certain residency criteria in order to attain a minimum level of UK security clearance if not already security cleared to a minimum SC level.

Ready to make a difference in the nuclear engineering world? Join Assystem today! 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.

Are you a prospective or recent graduate? Assystem offers you the opportunity to join our Switch to Grow UK Graduate Scheme, where you’ll gain hands-on experience in engineering, digital services, and project management by working on some of the world’s most critical energy projects. Be part of the challenge of the century; accelerating the switch to low carbon energy!