National Energy System Operator
Head of Energy Security Modelling
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Head of Energy Security Modelling
Energy Security Modelling Team Lead – Whole Energy System Resilience Directorate
National Energy System Operator (NESO)
About the Role
The 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
- Plans driving tangible improvements with our partners
This role is to lead WESR’s Energy Security Modelling area, developing and delivering robust modelling to provide advice and guidance to the authorities (DESNZ & Ofgem) on resource adequacy for electricity, gas, and future energy vectors, including hydrogen.
Key responsibilities include:
- Identifying and assessing risks to energy security of supply across short, medium, and long terms
- Recommending and influencing implementation of mitigation measures
- Ensuring our work sets industry benchmarks for technical capabilities and analytical rigour
NESO fosters a hybrid working environment, offering flexible arrangements such as office, home-based work, and regular in-office collaboration (e.g., weekly team presence at Warwick or Wokingham offices).
Key Accountabilities
- Lead assessments and advice on whole-system adequacy, fuel dependencies, and interconnections to identify vulnerabilities under varying scenarios and time horizons.
- Oversee risk identification and analysis focused on supply continuity, including infrastructure reliability, fuel logistics, market dynamics, and international dependencies.
- Translate insights into evidence-based recommendations, including capacity market improvements.
- Coordinate across NESO to ensure a collective view of energy system resilience and fulfilment of operational obligations.
- Use NESO’s trusted technical authority status to influence system operations, policy, market design, and long-term strategy.
- Build and maintain partnerships with government (e.g., DESNZ), Ofgem, and industry to align on supply adequacy and resilience.
- Lead a high-performing team of modellers (six direct reports, alongside associated sub-teams).
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About You
We’re shaping the future, and we thrive with visionary minds to drive our mission. For this role, we seek:
Essential
- Stellar communicator—clear articulation of complex technical insights for government, media, industry, or academic audiences, including at senior strategy levels.
- Proven leadership experience in managing teams and driving operational discipline.
- Deep understanding of UK/EU energy system design, including:
- Electricity and gas market frameworks
- Emerging energy vectors (e.g., hydrogen)
- Resource adequacy, capacity markets, and fuel supply chains
- Excellent track record in security of supply analysis, resource adequacy modelling, or risk-based scenario modelling.
- Ability to strategically link technical and market analysis to resilience, affordability, and sustainability trade-offs (addressing the energy trilemma).
- With executive-level influence—experience partnering with key stakeholders (e.g., DESNZ/Ofgem) to drive adoption of findings.
- Proficiency with modelling tools (statistics, data analytics, energy forecasting) and awareness of emerging analytical methods.
- Be willing to undergo National Security Vetting (NSV).
Desirable
- Experience leading national adequacy assessments or system stress-testing exercises.
- Insight into international energy security frameworks and global market dynamics.
What You’ll Receive
Competitive Compensation & Benefits
- Salary: £90,000–£100,000/pa (dependent on experience).
- Annual bonus: Up to 20% of salary for high performance.
- Private medical insurance.
- 28 days’ annual leave (plus flexible schemes).
- Competitive pension scheme: NESO doubles employee contribution to a maximum of 12% company-wide.
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Flexible Benefits
Our holistic benefits programme offers health, lifestyle, and protection benefits, including:
- Flexible Bank Holidays & Holiday Trading
- Birthday Day Off
- Cycle to Work Scheme / Retail & Gym Discounts
- Optional add-ons: Critical Illness Cover, Personal Accident Insurance
About Us
NESO’s Mandate
NESO delivers Great Britain’s energy system transformation, balancing sustainability, security, and affordability. We are Ofgem-regulated, independent of government/commercial interests, and operate with transparency to serve all energy users.
Mission
By 2030, NESO aims to enable a clean power system as the UK electricity grid nears full decarbonisation. Collaborating with stakeholders, we ensure resilience across electricity, gas, and hydrogen as the grid evolves.
In 2024, NESO’s transition from Electricity System Operator (ESO) to a whole-system body marks a major shift toward integration. We influence pivotal decisions—equipping NESO to navigate challenges and seize opportunities in the next energy decade.
Join NESO
This is more than a job; it’s a call to contribute to history. Apply your skills to shape the future of energy security.
Closing & Eligibility Notes
- Closes at 23:59 on [date], though early applications are encouraged because closing dates may vary.
- We celebrate diverse talent. At NESO, potential matters more than ticking every box—your unique pathway matters.
Share how your experience aligns with this vision—we’re convinced your perspective will help us deliver the cleaner, more resilient future.
Apply Now – Our doors are open to modellers, strategic thinkers, and strategists whose contributions will spark positive change.
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