⚡️💡 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 independent 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.

As a Business Architect, you will support the delivery of architecture across the Digital & IT function of a major nuclear project. Working with senior stakeholders, you will design and implement effective and strategically aligned operating models, lead early-stage project definition, shape requirements, and ensure solutions deliver measurable benefits, remaining involved through to implementation and business adoption.

Operating within the projects governance frameworks, the role ensures integrated, compliant solutions that align with regulatory, procurement, and project delivery standards.

Roles & Responsibilities:

• Lead engagements with business stakeholders to define project concepts, clarify scope, assess impacts, and identify initial risks, issues, and dependencies.
• Capture, evaluate, challenge, and prioritise business requirements in consultation with senior management, ensuring alignment with business strategy.
• Collaborate with internal teams and external delivery partners to develop solution options and evaluate these against business and user needs.
• Prepare robust business cases and investment proposals, articulating clear, tangible benefits and identifying opportunities for maximising value.
• Act as the custodian of business requirements throughout the project lifecycle, ensuring solutions remain aligned with agreed outcomes.
• Apply knowledge of emerging trends, best practice, and innovative solutions to drive continuous improvement in business operations.
• Support business acceptance of new processes and systems, including walkthroughs, testing, and readiness activities.
• Ensure all projects adhere to the delivery assurance principles and governance standards.

• Relevant qualifications and experience in one or more business architecture disciplines: process management, business analysis, management information, or IT system development.
• Experience delivering business architecture solutions that remove duplication and improve operational efficiency.
• Familiarity with ONR licence conditions and cyber/nuclear security requirements relevant to IT-enabled change.
• Experience of formal project management approaches (e.g., PRINCE2, EDF Project Way) and tools.
• Experience of procurement activities (RFI, ITT) and evaluation processes.
• Proven experience in developing investment cases for large, complex programmes.

Knowledge & Skills

Essential

• Strong understanding of business architecture change within complex, evolving environments.
• Expertise in business process analysis and design, including use of modelling and collaboration tools.
• Advanced stakeholder management and facilitation skills, with the ability to influence at senior levels.

Desirable

• Broad knowledge of architecture standards, frameworks, and best practice methods.
• Strong analytical skills, able to apply a range of analysis techniques to complex problems.

🌟 Join us at Assystem and be part of a global team delivering some of the most exciting and complex engineering projects in the world. This is your chance to shape the UK’s energy future while developing your expertise in a unique environment.

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

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.