Full-time Posted June 18, 2026
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Job Description

About the role

National Energy System Operator (NESO) recognises the potential of bright and talented individuals, and we encourage you to join us as Great Britain’s energy system undergoes an ambitious, exciting, and vital transformation. Together with industry, we are creating a cleaner, more sustainable energy future.

2026 is going to be an exciting year for NESO, particularly for the CFO function. Not only will we become operationally independent by completing our Transitional Service Arrangement (TSA) exit, we will also be using new systems which require a very different approach to today. Ivalua, our replacement for Ariba, is a Software as a Service (SaaS) product and maintaining it will feel very different. Feature releases happen automatically twice a year and we need someone to manage those releases effectively, ensuring they land smoothly and at the optimal time. The right candidate will ideally have some experience of Ivalua, but you don’t need to be ...

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