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. As a Commercial Codes Change Manager, you will play a pivotal role in shaping the future of the electricity network by driving efficiencies and delivering strategic change across the commercial codes that underpin it – the Connections Use of System Code (CUSC) and the Balancing and Settlement Code (BSC). You will lead programmes of code change such as code changes for Connections Reform and Reformed National Pricing, ensuring changes are informed by industry feedback, comply with GB law, support a whole-system approach, and are implemented effectively. Working collaboratively across NESO and with industry stakeholders, you will proactively identify opportunities to streamline processes and deliver improvements that benefit the energy system and consumers. This role can be based from Wokingham, Warwick or Glasgow, and we continue to offer hybrid working from office and home. We are open to full time and part time applicants, as well as flexible working arrangements. About Us National Energy System Operator’s (NESO) mission is to facilitate the decarbonisation of Great Britain’s energy network and ensure the delivery of reliable, affordable, and clean electricity for consumers. We work with stakeholders across the whole energy industry to plan for future network needs, using a wider adoption of technology and changes in consumer behaviour, as well as ensuring we have the right markets, networks, and frameworks in place, to transform the way we operate tomorrow. Join us, and let’s energise progress. energy, our future, together. About The National Energy System Operator (NESO) In Autumn of 2024, the ESO transitioned to National Energy System Operator, or NESO for short. Previously denoted as the Future System Operator (or FSO), the new National Energy System Operator is the independent body responsible for planning Great Britain’s electricity and gas networks and operating the electricity system. The ESO, including all of its existing roles, are now at the heart of the new National Energy System Operator. As NESO, we will build on our existing roles, capabilities, and ways of working significantly to create an organisation the energy system and its users’ need. Our new capabilities will enable us to look across vectors, including electricity, natural gas and hydrogen, and crucially consider the trade-offs between them. The organisation is set up as a public corporation with its own Board of independent directors, with complete operational independence from government, the regulator and any and all commercial interest. As was the ESO, NESO will be licenced and regulated by Ofgem through price control agreements and obligated to identify optimal solutions to system operations and planning in the most sustainable, affordable and secure way for all. Key Accountabilities Shape Policy Direction: Identify and manage issues requiring policy positions on commercial codes, ensuring alignment with strategic objectives. Drive Strategic Change: Accelerate progress by delivering improvements, efficiencies, and clarity within commercial code arrangements for both new and existing industry participants. Innovate and Enhance: Continuously improve processes and policies to strengthen the effectiveness and adaptability of commercial codes. Engage and Influence: Build trust through proactive engagement with internal and external stakeholders, understanding the impact of policy changes and using insights to drive meaningful change. Support Governance Processes: Provide expert guidance throughout code modification, derogation, and contractual processes, fostering curiosity and informed decision-making. Lead and Empower Teams: Create a sense of belonging by managing a team of up to four individuals. About You Significant commercial and regulatory experience in the energy industry, especially in the commercial codes (CUSC and BSC) Able to demonstrate technical understanding of the electricity system Proven previous experience in dealing with Ofgem / DESNZ / Customers and/or other industry bodies Has the ability to collate and organise data, understand and analyse complex issues and evaluate their interactions within NESO, as well as with our customers and stakeholders. Has proven experience of building long term effective internal and external relationships combined with strong negotiating and influencing skills. Has experience of successfully managing multiple projects with competing priorities. Accelerates progress by inspiring, motivating, and empowering team members to deliver and hold them accountable for performance. Regularly checks in with team members to coach, offer help, provide guidance, and remove blockers. Prioritizes work in alignment with NESO strategy and communicates decisions. Research shows that some people may hesitate to apply unless they meet every requirement. At NESO, we believe potential comes in many forms and we’re committed to a fair, inclusive recruitment process where everyone can show their talents. We celebrate the difference people can bring into our organisation, and welcome and encourage applicants with diverse experiences and backgrounds to build a workforce that feels valued and respected and represents the communities we serve. What You'll Get A competitive salary between £68,000 - £75,000pa – dependent on experience and capability. As well as your base salary, you will receive a bonus of up to 15% of your salary for stretch performance, 28 days annual leave as standard, and a competitive contributory pension scheme where we will double match your contribution to a maximum company contribution of 12%. As we work towards creating a cleaner, greener, and more affordable future for all, we also work towards creating a place for our teammates to belong, with professional and personal growth and positive well-being. Full support and career-development resources to expand your skills, enhance your expertise, and maximise your potential along your career journey. A diverse and inclusive community of belonging, where teammates are empowered to bring ideas to the table. Generous Total Rewards Plan – comprising of health, finance and wealth, work/life balance, and career benefits. More Information This role closes on 4th February 2026 at 23:59, however we encourage candidates to submit their application as early as possible and not wait until the published closing date as this can vary. We work towards the highest standards in everything we do, including how we support, value and develop our people. Our aim is to encourage and support employees to thrive and be the best they can be. We celebrate the difference people can bring into our organisation, and welcome and encourage applicants with diverse experiences and backgrounds, and offer flexible and tailored support, at home and in the office. We're committed to building a workforce that represents the communities we serve, and a working environment in which each individual feels valued, respected, fairly treated, and able to reach their full potential.