Job Description
Company Description
⚡️💡 About Assystem
At Assystem, our mission is to accelerate the global energy transition by driving innovation in low-carbon energy. With 8000 Switchers across 12 countries, we leverage 55+ years of expertise in highly regulated industries to deliver engineering and digital solutions for complex infrastructure projects. As one of the top three nuclear engineering companies in the world, we are committed to a sustainable and reliable energy future for all.
🤝 Why Join the Community of Switchers?
When you join Assystem, you’re joining one of the top three largest nuclear engineering companies globally. Collaborate with a team that combines world-class engineering expertise with digital innovation to solve the challenges of energy transition. Be part of a mission to create a more sustainable future and enjoy opportunities to develop your skills and progress your career in exciting, high-impact projects.
Job Description
🚀 This is a hybrid role, with occasional visits to Sizewell C in Suffolk
The Ancillary Works Civil Engineering Lead holds accountability for technical definition and validation across the Ancillary Civil Works scope.
The role leads governance of design change, technical open points, and integration across programme interfaces.
It ensures alignment between design intent, construction methodology, contract requirements and programme milestones.
🏗️Define and validate technical requirements with Design Authority
📐Lead multidisciplinary civil design coordination across programme scopes
📊Provide robust technical input to Early Warnings and Compensation Events
🧩Manage technical open points and engineering change processes
🗂️Ensure compliance with governance frameworks and engineering procedures
🛠️Integrate construction methodologies into technical requirements
🔍Undertake surveillance activities and maintain active risk registers
🌐Coordinate technical interfaces across Site Establishment and Offsite Infrastructure
📑Support Design Technical Assurance and digital assurance reviews
📅Align design deliverables with contract schedules and integrated work plans
Qualifications
Nuclear experience is not essential, but is of course welcome. If you have worked within a highly regulated environment, your skills and approach are highly transferable and of strong interest to us.
We also recognise that the perfect candidate rarely exists. If you feel you meet around 80% of the criteria and are motivated to develop further, we would strongly encourage you to apply
🎓Honours degree in Civil or Structural Engineering
🏅Chartered Engineer MICE or MIStructE, or working towards
🏗️Experience in reinforced concrete and steel structures
🌍Ground engineering including earthworks, drainage and foundations
📐Multi-disciplinary design management across complex programmes
📚Strong knowledge of British Standards and UK design codes
🗺️Understanding of RIBA Plan of Work 2013 processes
⚙️Experience within regulated, high assurance environments
📄Familiarity with NEC contracts and engineering documentation systems
🏭Large infrastructure or nuclear project experience desirable
Additional Information
🌟 Why Apply?
This is a rare opportunity to take on a senior, site-based leadership role on one of the UK’s most important infrastructure projects. You will shape delivery at scale, influence outcomes that matter nationally, and work alongside experienced professionals who value accountability and collaboration.
Benefits include:
🏡 Hybrid Working Opportunity
🕒 Flexible working hours
🛡️ Market Leading Pension scheme (8% company contribution / 4% personal contribution)
🏖️ 25 days’ paid annual leave + bank holidays + option to buy or sell days
💼 Professional fees reimbursed
💰 Employee referral scheme
🤒 Competitive Sick Pay – Support when you need it
🏥 Income Protection & 3x Salary Death-in-Service Cover
💪 Free Digital Gym Access – Expert-led fitness classes
📞 24⁄7 Employee Support Line – Mental health, financial & legal help
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.
