# CS&A Principal Designer* Nuclear* Permanent /* Whitehaven* United Kingdom* 03/06/26* On site* ShareI apply##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.## Job Description **Principal Designer – Whitehaven**We are currently looking for a **Principal Designer** to join the team based in **Whitehaven**. The successful candidate will support the **Responsible Engineer** by producing technical packages for the **Analytical Services Portfolio**. The role requires being part of a **Civil & Structural Engineering team** in the definition, implementation, and delivery of engineering design work packages through concept, preliminary and detailed design stages, as well as execution support. The **Principal Designer** will report directly to the **CS&A Responsible Engineer**. Candidate Requirements Ideally hold **Nuclear SC Clearance** or be eligible to obtain it. **HNC qualification** (or equivalent). **5+ years’ experience** in a Designer role. Experience working within a **highly regulated and quality-assured environment** where engineering formed a major part of the role. Solution-focused mindset. Ability to work proactively as part of a **multi-disciplinary engineering design team**. Key Responsibilities Create Civil & Structural engineering drawings using **AutoCAD, Revit, and Civil 3D**. Collaborate with other disciplines to meet project requirements. Review project files for compliance with standards and protocols. Implement engineering best practices and procedures. Support the delivery of high-quality engineering design solutions throughout the project lifecycle. ## My profile Essential Skills & Qualifications Appropriate qualifications in Civil or Structural Engineering, e.g. HND, HNC. Experience of working on projects delivering multidisciplinary design solutions, predominantly on brownfield sites and asset care. Understanding of project delivery across all design stages (concept, front-end design through to project close-out). Ability to support other Designers within the CS&A Design team. Knowledge of British Standards and Eurocodes for reinforced concrete, steel and masonry. Sound working knowledge and experience of relevant legislation. Experience operating within highly regulated environments such as Nuclear, Rail, Bridge Construction, Offshore, Petrochemical, etc. Extensive AutoCAD, Revit and/or Civil 3D experience. Experience delivering projects to challenging deadlines, adopting a pragmatic and flexible approach. Excellent detailing skills. Knowledge of Nuclear industry/SL standards and the ability to translate requirements into AutoCAD drawings. Familiarity with SL/Axiom processes and Document Management Systems. Ability to work on own initiative. Excellent interpersonal, written and verbal communication skills. Desirable Skills & Qualifications Experience using Revit for steel-framed structures, building alterations and refurbishment projects. Knowledge of the Sellafield Enterprise Management System (SEMS). Experience in civil/structural safety design. Experience working within Joint Venture integrated design teams. Experience being seconded into Client integrated design teams. SQEP for SR0754 Designer. Monitored Worker status.**Additional Information:** **Security Clearance**: Due to the nature of the work, applicants will need to meet residency criteria for UK security clearance**Diversity & Inclusion**: At Assystem, we celebrate diversity and believe that unique perspectives are key to driving innovation. We encourage applications from all backgrounds, ensuring that your skills and talent are what matter most.**Ready to make an impact?** Bring your expertise, passion, and drive to Assystem and help us power the future of low-carbon energy. Apply today! **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.
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