⚡️💡 About Assystem
At Assystem, our mission is to accelerate the energy transition worldwide. Our 8,000 Switchers blend historical engineering expertise with cutting-edge digital technologies to drive this change. Join us in revolutionizing the energy sector and making a significant global impact.
🤝 Why Join the Community of Switchers?
Be part of one of the top three largest nuclear engineering companies globally. At Assystem, you'll contribute to groundbreaking projects that push the boundaries of innovation and engineering excellence. Join a community committed to driving forward the future of energy.
🚀 This role requires candidates to be within commuting distance of Bridgwater or open to relocation, with support available.
You will act as the key HVAC interface between engineering, construction teams, and front office stakeholders.
You will ensure efficient resolution of technical queries and support delivery through installation to commissioning.
You will work within your future team to maintain alignment across disciplines and site activities.
🔧Act as primary HVAC interface between engineering teams and construction site leads
📄Review FCR and NCR submissions ensuring clarity, completeness, and accuracy
🛠️Assess remediation strategies ensuring solutions are practical and achievable
📊Analyse trends in FCR and NCR to identify recurring issues
🤝Coordinate communication between construction teams and front office stakeholders
🔍Perform surveillance on HVAC documentation and technical analysis outputs
⚠️Identify and report design and installation non-conformances through quality processes
📈Support KPI development to track FCR and NCR throughput performance
🔄Ensure alignment with standard field solutions and existing issue resolutions
💬Provide proactive technical support to unblock construction and maintain progress
🎓Degree in Mechanical Engineering or related engineering discipline
🏗️Minimum five years’ experience within regulated or nuclear environments
🌡️Proven experience with HVAC systems in multidisciplinary projects
🧠Strong attention to detail with rigorous engineering standards
⏱️Proven ability to deliver safely to quality, time, and cost
👥Strong stakeholder management and influencing capabilities
🔄Ability to work autonomously while recognising own limitations
📜Knowledge of contractual and commercial frameworks
📘Understanding of CDM Regulations and safety compliance
🗣️Strong communication skills simplifying complex technical information
🌟 Why Apply?
Join Assystem and become a key player in delivering critical nuclear projects that shape the future of energy. Embrace this opportunity to excel in a dynamic environment where your expertise and leadership will drive global innovation.
🌟 Your Benefits Package
🏠 Hybrid Working – Flexibility to work from home and the office
🏖️ 25 Days Annual Leave + Bank Holidays
🔄 Buy & Sell Holiday – Make your time off work for you
💰 8% Company Pension Contributions
🛡️ Income Protection & 3x Salary Death-in-Service Cover
🤒 Competitive Sick Pay – Support when you need it
🏥 Healthcare Cash Plan – Claim back on dental, optical & more
💪 Free Digital Gym Access – Expert-led fitness classes
🎁 Exclusive Discounts – Restaurants, days out & top brands
📞 24/7 Employee Support Line – Mental health, financial & legal help
🚴 Cycle to Work Scheme – Save money & go green
💉 Free Flu Jabs & Eye Test Vouchers
🧾 Paid Professional Membership Fees
❤️ Volunteer Days – Make a difference on company time
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.
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.

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.
8,000 switchers, spread in 13 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.
59 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, SNCF...
Assystem is ranked in the Top 3 companies in the nuclear energy sector.