CS&A Principal Engineer
⚛️ Project Overview – Box Encapsulation Plant (BEP) The Box Encapsulation Plant (BEP) is a major nuclear construction project at Sellafield, Cumbria , forming a critical part of the Magnox Swarf…
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168,000+ live jobsHybrid in Helensburgh·Full-time·Added today (last checked 23 Oct)




💻 MS O365 Proficiency – Confident using Microsoft 365 tools.
📋 Administration & Governance – Strong organisational, administrative and governance skills.
🤝 Stakeholder Engagement – Ability to build effective relationships and engage confidently at all levels.
🎤 Communication & Presentation – Clear, professional communication with strong presentation skills.
🚀 Proactive & Organised – Able to manage priorities, work independently and take initiative.
💡 Organised. Proactive. Collaborative. Ready to make an impact.
Due to the nature of this role the successful candidate will require Security clearance. To gain this they will be required to be a Sole UK national, Hybrid working from home/client site in Helensburgh
Sole UK National, SC clearance required to start
Umbrella contractor or staff
Staff or umbrella contract role
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.
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.
🔑 Key Responsibilities
📂 Document Control - Manage Programme Euston document flow and maintain SharePoint & Teams.
📧 Communication - Own the team mailbox, coordinate information and ensure stakeholders receive timely updates.
📅 Governance - Coordinate meetings, prepare papers, record RoADs and track actions through to completion.
📊 Reporting - Support trackers, dashboards, briefings, process maps and organisational charts.
🤝 Stakeholder Management - Build effective relationships across Client Projects and Industry Partners, representing your team at meetings and working groups.
🌟 You'll Bring
✅ Excellent organisation and attention to detail
✅ Strong communication and stakeholder skills
✅ Confidence managing multiple priorities and deadlines
✅ Experience with document control, governance and SharePoint/Teams
✅ A proactive, collaborative approach
Apply online
Application review · With The recruiter
Pre-selection
Qualification by phone
Phone call
A phone qualification step.
Physical interview
With An HR manager and your future managers · In person
In-person interview with an HR manager and future managers.
Employment contract proposal
Access to the Applicant Portal
Candidate gets access to the Applicant Portal.
Onboarding programme
Implementation of the onboarding programme.
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