⚡️💡 About Assystem
At Assystem, our mission is to accelerate the energy transition worldwide. Our 8,000 Switchers combine engineering expertise with digital innovation to deliver complex infrastructure solutions. In the UK, we contribute to major nuclear programmes including Hinkley Point C, Sizewell C and future Small Modular Reactors (SMRs). Our digital engineering and 3D model capabilities are central to delivering efficient, high-quality project outcomes.
🤝 Why Join the Community of Switchers?
Join one of the three largest nuclear engineering companies in the world and play a key role in advancing digital project delivery. At Assystem, your future team operates at the intersection of engineering and digital innovation, supporting complex infrastructure programmes through cutting-edge tools and collaboration. You will be part of a forward-thinking environment where your contribution directly impacts project efficiency and delivery excellence.
🚀 The Job Mission
Working on a major Nuclear Power Plant project, the Solution Architect will support the delivery of complex digital and enterprise technology solutions across the project programme. The role will focus on designing, governing, and integrating technology solutions that support engineering, construction, operations, and corporate functions within a highly regulated nuclear environment.
The successful candidate will work closely with business stakeholders, delivery teams, engineering partners, cybersecurity specialists, and third-party suppliers to ensure solutions are secure, scalable, compliant, and aligned with programme objectives.
You will design and govern enterprise technology solutions supporting major nuclear infrastructure programmes.
Working closely with your future team, you will ensure secure, scalable and compliant digital architecture delivery.
• Define end-to-end solution architectures across enterprise applications, infrastructure and cloud services.
• Translate business and operational requirements into scalable technical solution designs.
• Ensure compliance with cybersecurity policies, governance standards and regulatory requirements.
• Design integrated solutions across Azure, PLM, EDRMS and enterprise technology platforms.
• Lead technical governance reviews, design assurance and architecture approval activities.
• Support integration between engineering systems, ERP, project controls and operational technologies.
• Produce architecture documentation including solution diagrams, data flows and interface specifications.
• Identify technical risks, dependencies and mitigation strategies across solution delivery activities.
• Support supplier evaluations, procurement activities and technical assessment processes.
• Contribute to operational readiness, transition planning and service support model development.
This hybrid role is suited to candidates able to commute to Bristol regularly or relocate nearby, with support available.
🛠 Essential Skills
• Proven experience delivering solution architecture within regulated infrastructure environments.
• Strong understanding of enterprise architecture principles and systems integration practices.
• Experience designing cloud, enterprise application and cybersecurity technology solutions.
• Azure Expert Certification with strong Microsoft cloud platform knowledge.
• Experience working across complex multi-vendor delivery and stakeholder environments.
• Strong communication and governance documentation capabilities.
• Familiarity with TOGAF, Azure architecture and structured delivery methodologies.
• Ability to balance technical, operational and regulatory project requirements effectively.
✔️ Desired Skills
• Experience within nuclear, defence, utilities or critical infrastructure sectors.
• Understanding of operational technology and industrial control systems environments.
• Knowledge of UK nuclear cybersecurity and regulatory compliance expectations.
• Relevant certifications including TOGAF, ITIL, CISSP or AWS Solutions Architect.
• Experience with engineering information systems or construction management platform
🌟 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.
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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