Head of Energy Security Modelling
Location
Warwick, England, United Kingdom
Employment TypeFull-time
Posted At4/10/2026
UK Visa Sponsorship Analytics
Occupation Type
Protective service associate professionals not elsewhere classified.
Occupation Code Skill LevelMedium Skilled
Sponsorship EligibilityIneligible for Sponsorship
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Description
About Us
At the National Energy System Operator (NESO), we play a vital role in tackling climate change and securing Great Britain's energy future. We already operate the world's fastest decarbonising electricity system and are working towards our ambition to run it carbon-free for a short period this year - provided the market supplies electricity exclusively from renewable sources. Alongside this, we provide expert advice to government on how to deliver a clean power system by 2030.
In autumn 2024, the Electricity System Operator (ESO) transitioned to become NESO - an independent, expert public corporation with a whole-system view across electricity, gas, and hydrogen. NESO operates independently and transparently, always actin in the best interests of all energy users.
Licensed and regulated by Ofgem, we make impartial decisions that balance sustainability, affordability and security. Our organisation is fully independent from government, the regulator and all commercial interests, with a clear focus on system-wide benefit, long term thing and public value.
The time to deliver is now. Join the energy transformation and help shape the future.
Your energy. Our future. Together
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.
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.
The Whole Energy System Resilience (WESR) directorate strengthens whole-energy-system resilience by being a catalyst for change – turning insight into coordinated, prioritised action that reduces risk and builds capability across the system. WESR delivers this through analysis, assessments, reviews, emergency exercises, and plans that drive tangible improvements with our partners.
This role is to lead WESR’s Energy Security Modelling area, which develops and delivers robust modelling to provide advice and guidance to the authorities (DESNZ & Ofgem) on resource adequacy for electricity, gas and future energy vectors, including hydrogen. We identify and assess risks to energy security of supply over the short, medium and long-term and recommend and influence the implementation of measures that mitigate identified potential risks to energy security of supply.
We have well-established and well-respected modelling capabilities in energy security of supply. We work with external experts to ensure our work is robust and set the standard for WESR’s technical capabilities and analytical rigour, providing best practise and guidance to other teams in WESR and across NESO.
This role can be based from Wokingham, Warwick, Glasgow, and we continue to offer hybrid working from office and home, as well as flexible working arrangements. The Energy Security Modelling Team are largely located in Warwick and Wokingham, therefore regular travel to these locations will be required, with an expectation that you would be co-located with your team at least weekly.
Key Accountabilities
At the National Energy System Operator (NESO), we play a vital role in tackling climate change and securing Great Britain's energy future. We already operate the world's fastest decarbonising electricity system and are working towards our ambition to run it carbon-free for a short period this year - provided the market supplies electricity exclusively from renewable sources. Alongside this, we provide expert advice to government on how to deliver a clean power system by 2030.
In autumn 2024, the Electricity System Operator (ESO) transitioned to become NESO - an independent, expert public corporation with a whole-system view across electricity, gas, and hydrogen. NESO operates independently and transparently, always actin in the best interests of all energy users.
Licensed and regulated by Ofgem, we make impartial decisions that balance sustainability, affordability and security. Our organisation is fully independent from government, the regulator and all commercial interests, with a clear focus on system-wide benefit, long term thing and public value.
The time to deliver is now. Join the energy transformation and help shape the future.
Your energy. Our future. Together
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.
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.
The Whole Energy System Resilience (WESR) directorate strengthens whole-energy-system resilience by being a catalyst for change – turning insight into coordinated, prioritised action that reduces risk and builds capability across the system. WESR delivers this through analysis, assessments, reviews, emergency exercises, and plans that drive tangible improvements with our partners.
This role is to lead WESR’s Energy Security Modelling area, which develops and delivers robust modelling to provide advice and guidance to the authorities (DESNZ & Ofgem) on resource adequacy for electricity, gas and future energy vectors, including hydrogen. We identify and assess risks to energy security of supply over the short, medium and long-term and recommend and influence the implementation of measures that mitigate identified potential risks to energy security of supply.
We have well-established and well-respected modelling capabilities in energy security of supply. We work with external experts to ensure our work is robust and set the standard for WESR’s technical capabilities and analytical rigour, providing best practise and guidance to other teams in WESR and across NESO.
This role can be based from Wokingham, Warwick, Glasgow, and we continue to offer hybrid working from office and home, as well as flexible working arrangements. The Energy Security Modelling Team are largely located in Warwick and Wokingham, therefore regular travel to these locations will be required, with an expectation that you would be co-located with your team at least weekly.
Key Accountabilities
- Lead assessment and advice on whole-system adequacy, fuel dependencies, and interconnections to understand security of supply vulnerabilities under varying conditions scenarios and time horizons.
- Continuous improvement of NESO’s security of supply modelling to reflect the changing energy landscape, latest research, and best practice. Partner with relevant technical authorities, academia, and international communities to ensure NESO's modelling remains current and fit for purpose, now and in the future.
- Oversee risk identification and analysis focused on threats to supply continuity, including infrastructure reliability, fuel logistics, market dynamics, and international dependencies.
- Translate analytical insights into clear, evidence-based recommendations of mitigation and improvement (incl. capacity market recommendations).
- Coordinate across NESO to ensure a collective, coherent view of and approach to improving energy system resilience and the delivery of our obligations.
- Use NESO’s role as a trusted technical authority to influence system operations and planning, energy policy, market design, and long-term strategy.
- Build and maintain strategic partnerships with government departments (e.g., DESNZ), Ofgem, and industry participants to align approaches to supply adequacy and resilience, and drive adoption of recommendations.
We’re forging the path, and we know we can’t do it alone. That’s why we need visionary minds like yours to join us on this transformative journey. In this case, we’re looking for someone who:
Essential
- Excellent communicator, able to translate complex technical insights clearly to a wide range of specialist and non-specialist audiences, including at senior levels of government, media, academia and the energy industry.
- Deep understanding of UK and European energy system design markets, including electricity, gas, and emerging vectors, with a strong grasp of adequacy principles, capacity mechanisms, and fuel supply chains
- Experience contributing to or leading national adequacy assessments or system stress-testing exercises
- Understanding of international energy security frameworks and global market dynamics
What You'll Get
A competitive salary of £80,000 - £100,000 dependent on experience and capability
As well as your base salary, NESO's core benefits are the essential perks and advantages that form part of your employee package.
- You will receive a bonus based on company performance
- 26 days annual leave as standard
- A competitive contributory pension scheme where we will double match your contribution to a maximum company contribution of 12%.
- Annual Enrollment to NESO Savings Plan, when you save between £20- £500 a month from your take-home pay, we will pay a 50% matching contribution.
Benefits
NESO's flexible benefits programme provides you with more flexibility around your helath, lifestyle and protection benefits, here's just a few available:
This role closes at 23:59, on the date displayed on the top of this advert, however we encourage candidates to submit their application as early as possible and not wait until the published closing date as this can vary. Interviews will be held w/c 11th and 18th May 2026
Research shows that some people may hesitate to apply unless they meet every single requirement. At NESO, we believe potential comes in many forms and we're committed to a fair, inclusive recruitment
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. If this role sparks your interest but you're not sure you tick every box, we still want to hear from you. process where everyone has the opportunity to shoe their talents. We celebrate the difference people can bring into our organisation, and welcome and encourage applicants with diverse experiences and backgrounds.
NESO's flexible benefits programme provides you with more flexibility around your helath, lifestyle and protection benefits, here's just a few available:
- Flexible Bank Holidays & Holiday Trading
- Additional Birthday Day Off
- Cycle to Work Scheme, Retail & Gym Discounts
- Private Medical Insurance, Critical Illness Insurance & Personal Accident Insurance
This role closes at 23:59, on the date displayed on the top of this advert, however we encourage candidates to submit their application as early as possible and not wait until the published closing date as this can vary. Interviews will be held w/c 11th and 18th May 2026
Research shows that some people may hesitate to apply unless they meet every single requirement. At NESO, we believe potential comes in many forms and we're committed to a fair, inclusive recruitment
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. If this role sparks your interest but you're not sure you tick every box, we still want to hear from you. process where everyone has the opportunity to shoe their talents. We celebrate the difference people can bring into our organisation, and welcome and encourage applicants with diverse experiences and backgrounds.