Power System Engineer - NESONational Grid • Royal Leamington Spa, England, United Kingdom
Power System Engineer - NESO
National Grid
- Royal Leamington Spa, England, United Kingdom
- Royal Leamington Spa, England, United Kingdom
Über
The offline modelling team enables the planning and operations for the Electricity Transmission System across England, Scotland, and Wales by maintaining and developing GB-wide system models. These models are used for short‑term to long‑term planning, spanning from hour ahead up to 12 years. The team works with industry participants—Transmission Owners, Distribution Network Owners, Generators, and OEMs—to share data and best practices, enhancing product accuracy.
Key responsibilities include power system analysis product development and management, asset data management, the Electricity Ten Year Statement (ETYS), Centralised Strategic Network Plan (CSNP) models, and third‑party model requests for connection assessments. Additionally, we deliver transformative projects such as process digitalisation and automation to analyse risk, improve customer experience, and increase efficiency.
This role can be based from Wokingham or Warwick, 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
Lead power and energy system modelling, analysis and optimisation
Direct data management and assurance initiatives to maintain modelling accuracy and reliability, sourcing new data when needed.
Build effective relationships and communicate modelling activities to key stakeholders, notably TOs, OEMs and Ofgem, to promote transparency and ensure our results are trusted.
Deliver analyses and create impactful visualisations of modelling results using NESO’s enterprise data and Azure cloud environments, helping stakeholders quickly grasp key messages for methodology or policy decisions.
Lead the development and implementation of analytical tools and data pipelines that enhance modelling, streamline analysis, and improve team processes.
Stay up to date with the latest innovations in power system modelling and optimisation, data science, analytics, visualisation and cloud technologies, and bring new ideas into our tools, methods and ways of working.
Engage with users to identify requirements, ensure legislative compliance, manage strategic projects, resolve customer queries, create training materials, and review processes annually.
About you Essential:
Degree in a relevant field such as Engineering, Computer Science, or Maths
Knowledge of power systems operation planning and modelling
Experience in power system optimisation and in techno‑economic assessments
Familiar with Python development and DevOps
Understanding of industry frameworks, codes, and technical challenges
Critical thinking and the ability to challenge ideas constructively
Professional skills in communication, teamwork, and influencing
Desired:
Proficiency with power and energy system simulation tools and scripting to automate analyses.
Industry experience in power system analysis, especially transmission and offshore network development
Project management experience from inception to completion
Proficient in Python development and DevOps
Knowledge of optimisation methods (LP, MILP) and their application in power systems
What you’ll get A competitive salary between £55,000 – £72,000pa – dependent on experience and capability.
As well as your base salary, you will receive a bonus based on company performance, 26 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 25th January 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.
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Sprachkenntnisse
- English
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