⚡️💡 About Assystem
At Assystem, our mission is to accelerate the energy transition worldwide. With over 8000 Switchers, we combine engineering expertise, project management, and digital innovation to deliver tomorrow’s energy infrastructure. In the UK, we are proud to be part of landmark nuclear projects including Hinkley Point C, Sizewell C and pioneering Small Modular Reactors (SMRs). Together, we are shaping a cleaner and more sustainable future.
🤝 Why Join the Community of Switchers?
Joining Assystem means becoming part of one of the world’s top three nuclear engineering companies. You’ll work on high-profile projects in an environment that values innovation, collaboration, and professional growth. Here, your expertise contributes directly to building the UK’s clean energy future while developing your own career on complex, large-scale engineering challenges.
Your mission:
- 🧩 Support configuration control across complex engineering systems, ensuring consistency and integrity throughout design and construction phases.
- 🔗 Act as a vital interface between engineering, construction, and project controls teams, driving alignment and efficient project delivery.
- 📊 Maintain accurate technical baselines, underpinning safe, compliant, and high-quality project outcomes.
- 🗂️ Implement configuration management across design changes, interfaces, and open technical points
- 🧩 Coordinate multidisciplinary stakeholders to resolve cross-functional technical issues
- 📅 Participate in project coordination and governance meetings as required
- 📊 Produce configuration data, KPIs, and analysis to support informed decision making
- 📐 Support configuration management standards across engineering and construction activities
- 🖍️ Process redlines and update technical design documents and drawings
- 🔍 Coordinate technical document reviews with engineering teams
- 🛡️ Support audits and assurance checks within your area of responsibility
- 📘 Maintain Plant Configuration Registers for allocated systems
- 🔄 Manage design evolution requests and track interfaces between work packages
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!
- 🏠 Hybrid work: 1-2 days remote per week.
- ☢️ Nuclear experience is not essential—however, it is highly valued. Candidates with backgrounds in highly regulated environments will find their skills both transferable and greatly appreciated.
- 🚀 We know the “perfect” candidate is rare. If you meet around 80% of the criteria and are eager to grow and develop, we strongly encourage you to apply.
- 🎓 Degree in Mechanical, Electrical, or Civil Engineering
- 🧠 Experience within one or more engineering disciplines
- 📄 Background in configuration, design, or technical documentation processes
- 🔎 Strong attention to detail with technical data and drawings
- 💻 Confident use of Microsoft Word and Excel
- 🗣️ Able to communicate effectively with engineering and construction teams
- 🏭 Experience in regulated or safety-critical environments
- 🏗️ Exposure to large industrial or infrastructure projects
🌟 Be part of a once-in-a-generation engineering project that will transform the UK’s energy landscape. This is a unique opportunity to develop your career in a supportive team while contributing to one of Europe’s most ambitious energy programmes.
Benefits include:
🏡 Hybrid Working Opportunity
🕒 Flexible working hours
🛡️ 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
Due to the nature of work to be undertaken applicants will be required to meet certain residency criteria in order to attain a minimum level of UK security clearance if not already security cleared to a minimum SC level.
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.
Skills Required
- Degree in Mechanical, Electrical, or Civil Engineering
- Experience within one or more engineering disciplines
- Background in configuration, design, or technical documentation processes
- Strong attention to detail with technical data and drawings
- Confident use of Microsoft Word and Excel
- Able to communicate effectively with engineering and construction teams
- Experience in regulated or safety-critical environments
- Exposure to large industrial or infrastructure projects
What We Do
Assystem, one of the world's leading independent nuclear engineering companies, is committed to accelerating the energy transition. We see ourselves as an activist in the development of nuclear energy, convinced that it is an essential part of the fight against climate change. 7,000 switchers, spread in 12 countries in Europe, Asia, Africa and the Middle East are working every day to make the energy switch by accelerating the development of nuclear and renewable energies, power grids, clean hydrogen projects and low-carbon transport. We design and supervise major projects through our engineering activities and accelerate our customers' digital transformation. We also develop new solutions to build faster and improve the performance of complex infrastructures. 55 years of experience have made Assystem a key partner of the world's largest industrial groups: CEA, EDF, ENEC, Enedis, Engie, Framatome, ITER, K.A. CARE, Naval Group, NICDC, Orano, RATP, Rolls Royce, Royal Commission, Sellafield, SGP, SNCF... Assystem is ranked in the Top 3 companies in the nuclear energy sector.
