Principal EC&I Engineer
Confirmed on the employer's own hiring board on Oct 12, 2026. First seen by Alion on Sep 14, 2026. Assystem scores B on the Alion truth index.
Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements.
Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions.
Senior EC&I Engineer - Whitehaven
Full Time
Join Our Team at Assystem!
Your Future Team:
Assystem is a well-established leader in the nuclear decommissioning sector. Partner of the Design Services Alliance. Expertise in waste management services for strategic nuclear clients in the UK. Offering life extension and feasibility assessment services.
Your Missions:
- To support the EC&I RE and Area Engineering Manager in the delivery of design
- To produce engineering design work packages (specification, drawing, analysis, verification or assessment of engineering)
- satisfy the legal and functional requirements along with the associated performance conditions to the agreed time, cost and quality.
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!
Qualifications
Essential Experience:
- Proven experience in building electrical services design
- 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
**Security clearance**
This role requires the successful candidate to hold 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 UK national or in MoD approved cases a Dual National from a non-ITAR country.
NOTICE TO CANDIDATES ON RECRUITMENT FRAUD - We are committed to safeguarding candidates from fraudulent activity associated with our recruitment process. Please note that we will never offer specialist CV writing services, request payment or ask for sensitive personal information during the recruitment process.
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.