Senior Domain Architect - Business to Business

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.

Full-Time – Permanent

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

The B2B Senior Domain Architect holds the primary strategic technology relationship across our business brands, acting as the trusted architectural advisor who shapes and maintains cross‑portfolio technology roadmaps, sets architectural direction, and identifies future capability needs. This role defines and sustains the long‑term architectural vision for the B2B domain, ensuring it is translated into actionable, executable direction across transformation and change initiatives.

Working closely with Product, Commercial, Operations and Platform engineering leaders in Energy Supply and Field Service execution, the architect influences priorities, ensures technology choices align to business outcomes, and maintains coherence across a diverse B2B technology estate. The role also champions innovation, leveraging automation and AI‑enabled tooling to enhance architectural quality and accelerate design cycles. Coaching the Architecture community and engineering to uplift capability, strengthen architectural maturity, and ensure consistent application of architectural standards across all B2B brands.

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 ’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.

The role of the B2B Senior Domain Architect 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 Business. Maintain a forward‑looking view of the B2B 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.

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

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.

Continuously assess new technologies, patterns and approaches that could strengthen the architectures, improve…