CS&A Principal Engineer

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.

Project Specific Requirements

📌 Report to CSA RE on a daily basis
👷 Provide leadership, guidance, and support to the JV CSA design and site engineering team
🏢 Attend the Warrington office a minimum of 3 days per week and visit the Sellafield site regularly (ideally fortnightly) to confidently engage with the multi-discipline JV construction team and subcontractors
📝 Check and comment on CSA JV design submissions during development, including site modifications; complete NFR documents and submit to SL Doc Control
✅ Review, check, accept or reject design submissions; sign and submit PMACD to SL Doc Control
📂 Review, check, accept or reject TQ/PP submissions
📊 Review the progress of all structural detail design drawings, calculations, and documents through to ‘As Built’ status by the JV CS&A designers
🏗️ Demonstrate general understanding of service supports and blockwork wall substantiation
🔥 Possess a general understanding of fire strategy arrangements (preferred), including fire-rated service hanger supports; attend meetings with Fire Consultants to review conventional and nuclear fire issues
🔗 Interface with the multi-discipline design team on project issues; liaise with SL Capability as required to substantiate site issues encountered during construction
🛡️ Provide support to Safety Case work, including DJRs

External Works

🌍 Demonstrate good design understanding of external works, including concrete slabs and surface water drainage standard details
🏢 Review and comment on all interfaces between the external works and the building external envelope as construction progresses
🤝 Engage regularly with the JV construction team and supply chain on site; attend weekly meetings as required
⚠️ Attend weekly risk review meetings and support EWNs

Site Visits

📅 Visit site weekly (minimum bi-weekly) for the day
👷 Liaise with the site construction team and conduct or participate in site walkdowns to oversee, discuss, and resolve CS&A-related construction issues
🔌 Liaise and interface with SL Site Utilities and Infrastructure Capability to secure buy-in to contractor proposals prior to construction where applicable

Qualifications and Experience

🎓 Civil / Structural Engineering Degree, or equivalent

🏅 Chartered Engineer (CEng) – MICE or MIStructE

🏗️ Demonstrable expertise in major project areas relevant to the engineering discipline, with a proven track record of successfully applying specialist knowledge and skills

🧭 Ability to provide strategic guidance based on experience across a portfolio of projects, helping to inform and direct programmes

👥 Proven leadership capability within an engineering function

☢️ Experience working within the Nuclear Sector, including new build and decommissioning projects, in roles reliant upon professional engineering expertise and judgement

📐 Strong understanding of design principles and the ability to apply them effectively

📚 Working knowledge of British Standards

🗣️ Excellent written and verbal communication skills

🚗 Full UK driving licence (or equivalent permitting driving in the UK)

🔐 Able to meet the requirements for UK security clearance

**Security clearance**

This role requires the successful candidate to hold a minimum of a BPSS clearance without any caveats to that clearance.

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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.