Senior EC&I Engineer
Confirmed on the employer's own hiring board on Oct 26, 2026. First seen by Alion on Oct 20, 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:
- Delivery of tasks and support requests to quality and schedule.
- Maintaining effective communications with a wide variety of stakeholders, from plant-based staff to off-site design teams.
- Supporting timely responses to Technical Queries and Fault Observations raised by the off-site design teams.
- Daily liaison with the project team delivering the works.
- Upward, prompt reporting of issues.
- Ensure that input to designs are to required standards
- Ensure that the work is completed to the agreed schedule.
- Proactive interaction with other disciplines and partners to ensure overall project goals are met. Drive innovative solutions to reduce cost and schedule.
- Participate in relevant meetings, such as Model Reviews, Design reviews.
- Support the Lead Engineer where required.
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!
Essential Experience:
- Educated to HNC / HND or degree in a relevant discipline or a chartered & member of an appropriate institute
- Strong client facing skills for Intelligent Customer interactions
- Nuclear site experience (preferably Sellafield) and operating in a site-based role.
- Background experience demonstrating a record of successful delivery to timescales.
- Experience with installation design packages and instrument datasheets.
- Previous design delivery experience
- Familiarity and experience of working and complying with applicable SL Practices, standards, and engineering guides
- Familiarity with SL systems e.g., Cimage, icePAC, CAESAR, AVEVA
- Peferably DV clearance but those with SC will be considered.
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.
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.