Senior Domain Architect - Business to Business

Job Description

Join us, be part of more.

We’re so much more than an energy company. We’re a family of brands revolutionising how we power the planet. We're energisers. One team of 21,000 colleagues that's energising a greener, fairer future by creating an energy system that doesn’t rely on fossil fuels, whilst living our powerful commitment to igniting positive change in our communities. Here, you can find more purpose, more passion, and more potential. That’s why working here is #MoreThanACareer. We do energy differently - we do it all. We make it, store it, move it, sell it, and mend it.

Centrica, Technology is a core driver of how we deliver our strategy. You’ll join a team modernising our platforms, strengthening cyber and operational resilience, and advancing a product‑led way of working that brings engineers, data specialists and business experts together to deliver meaningful outcomes at pace. We’re scaling automation and AI from proof‑of‑concept into real, end‑to‑end change - improving customer journeys, reducing cost‑to‑serve, accelerating delivery, and building the digital foundations that underpin everything from energy trading and risk to field operations and critical infrastructure.

If you want to work on complex, high‑impact problems using modern engineering practices, and help build reusable platforms that will shape how Centrica operates over the next decade, this is the place to do it.

An opportunity to play your part: The Senior Domain Architect - B2B brands holds the primary strategic technology relationships across Centrica Home, acting as a trusted advisor who shapes and maintains cross‑portfolio technology roadmaps, sets architectural direction, and identifies future capability needs. Operating with a forward‑looking, strategically focused mandate, the role establishes a clear architectural vision for the B2B domain and ensures this vision is translated into executable direction across change initiatives. Day to day, the architect partners closely with Product and Platform leaders to influence priorities, align technology decisions to business outcomes, and maintain coherence across the B2B technology estate. The role also champions innovation, leveraging automation and AI‑enabled tooling to enhance architectural quality and accelerate design cycles, while mentoring other Architects and engineers to uplift capability, strengthen architectural maturity, and ensure consistent application of standards across teams.

Location: UK-based hybrid role, Occasional travel to site.

The Day to Day:

The role of the Senior Domain Architect - B2B is to support the Retail business succeed with its priorities and strategic technology alignment.

• Strategic Partnering & Domain Leadership - maintaining the primary strategic technology relationships with counterparts across Centrica Home.

  Maintain a forward‑looking view of the B2C landscape, ensuring domain priorities remain aligned, coherent and commercially relevant.

• Cross‑Portfolio Roadmap Ownership -

  Shape, maintain, and continuously refine cross‑portfolio technology roadmaps for B2B brands.

  Ensure roadmaps reflect the Retail Technology strategy while enabling each brand’s specific propositions and operational goals. Translate this roadmap into clear, actionable guidance for change programmes, ensuring investment choices and delivery plans are architecturally sound and strategically aligned.

• Architectural Decision Support & Trade‑Off Analysis -

  Lead option evaluations and design assessments, articulating trade‑offs across cost, complexity, customer impact, delivery risk, strategic alignment and long‑term maintainability.

• Governance, Risk & Compliance Leadership -

  Act as the escalation point for design risk, ensuring decisions remain compliant with security, regulatory, and technology guardrails. Apply and promote architectural quality to maintain integrity and consistency across the domain.

• Innovation, Automation & AI‑Enabled Architecture -

  Continuously assess new technologies, patterns and approaches that could strengthen the architectures, Improve solver and customer experience or reduce operational cost and complexity.

  Use automation and agentic AI tooling to accelerate analysis, design assurance, documentation and decision support.

• Coaching & Architectural Uplift -

  Provide strong day‑to‑day coaching to Architects and wider technologists, ensuring architectural standards, patterns and design principles are consistently understood and applied. Support the

  build capability within squads and platforms by sharing insights, reusable patterns and domain knowledge that raise architectural maturity.

What we need from you:

• Experience delivering solution and domain architectures across multiple projects or platforms.

• Strong understanding of business processes and their alignment with technology solutions.

• Excellent communication skills, able to engage technical and non-technical audiences.

• Strategic thinking with the ability to plan and implement mid to long-term technology roadmaps.

• Experience with architectural governance and compliance in a large organisation.

• Demonstrates the safe and responsible use of AI tools, with clear knowledge of when AI use is appropriate and strong awareness of accuracy, bias and compliance. Bringing the ability to design and reuse prompt templates to support consistent, high quality workflow outputs, and skilled in using AI to triage, classify and analyse information within Centrica policy guardrails.

• Strong ability to recognise higher risk scenarios and escalate to governance or security as needed. Alongside this, showing proficiency in enterprise AI copilots, knowledge assistants and AI enhanced productivity tools.

What's in it for you?

• Enjoy a generous market salary, along with fantastic growth opportunities and a vibrant work environment!

• Power up your pay with a 15% Employee Energy Allowance, surpassing the government's price cap!

• Secure your future with our comprehensive pension plan, designed for peace of mind.

• Elevate your health with our fully-funded company healthcare plan, prioritizing your well-being.

• Recharge with a generous 25-day holiday allowance, plus public holidays, and even purchase up to 5 extra days for extended relaxation!

• Experience unparalleled work-life balance with an exceptional selection of flexible benefits, from tech treats and eco-friendly car leases to travel insurance for your adventures!

Why should you apply?

Thinking of applying? Do it! A better you, paves the way for a better tomorrow. That’s why last year, over 3,000 colleagues made an internal move across Centrica – we’re proud to champion squiggly careers because your journey is just as important as ours. If you bring your energy, we’ll give you a platform to energise your career.

Why don't you visit our Learning & Development Hub and explore our digital learning offering for any material which can upskill you in your current role – and get you ready to interview for your next one?

Help us, help you. We would love for you to share any information about yourself throughout our recruitment process so that we can better understand you and help shape your journey. Chat to your manager too – it's important they understand your goals and can help support you.

Why should you apply?

We’re not a perfect place – but we’re a people place. Our priority is supporting all of the different realities our people face. Life is about so much more than work. We get it. That’s why we’ve designed our total rewards to give you the flexibility to choose what you need, when you need it, making sure that you and your family are supported not only financially, but physically and emotionally too. Visit the link below to discover why we’re a great place to work and what being part of more means for you.

https://www.morethanacareer.energy/centrica

If you're full of energy, fired up about sustainability, and ready to craft not only a better tomorrow, but a better you, then come and find your purpose in a team where your voice matters, your growth is non-negotiable, and your ambitions are our priority.

Help us, help you. We would love for you to share any information about yourself throughout our recruitment process so that we can better understand you and help shape your journey.