Power System Engineer
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
As a Power Systems Engineer in the Connection Operability Assessment teams, you will work in partnership with network owners and customers as part of the connections process to develop efficient connection solutions that meets both the customer needs and the technical standards (SQSS and Grid Code). We facilitate the connection of generation and demand onto the system, enabling the UK to meet its net zero system operation ambition whilst ensuring the network remains safe.
We are soon going to be embarking on the exciting world of connections reform and are looking to grow the England & Wales and Scotland teams which will have a critical role to play in the future design of the electricity system facilitating the pathway to net zero.
We have 3 roles across GB. We are open to full-time and part-time applicants, as well as flexible working arrangements.
Key Accountabilities
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:
What You'll Get
A competitive salary of £55,000 - £63,000pa dependent on experience and capabilityAs 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 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.
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
As a Power Systems Engineer in the Connection Operability Assessment teams, you will work in partnership with network owners and customers as part of the connections process to develop efficient connection solutions that meets both the customer needs and the technical standards (SQSS and Grid Code). We facilitate the connection of generation and demand onto the system, enabling the UK to meet its net zero system operation ambition whilst ensuring the network remains safe.
We are soon going to be embarking on the exciting world of connections reform and are looking to grow the England & Wales and Scotland teams which will have a critical role to play in the future design of the electricity system facilitating the pathway to net zero.
We have 3 roles across GB. We are open to full-time and part-time applicants, as well as flexible working arrangements.
Key Accountabilities
- Create Construction Planning Assumption (CPAs) using the probabilistic modelling tool to create the generation backgrounds against which technical analysis will be carried out during the connections process and other initiatives.
- Undertake Power System modelling and analysis to verify the impact of customer connections onto the transmission network and/or to explore alternative connection solutions for the benefit of customers.
- Collaborate with Transmission Owners to ensure the designs for new connections are compliant with the SQSS requirements.
- Produce technical appendices for new onshore and offshore connections to the transmission network.
- Support customers in the specification of scenarios required for bespoke technical assessments e.g., SSCI/ SSTI and reviewing technical reports to ensure that technical performance is adequate.
- Support the customer contract managers and compliance managers with addressing technical queries from customers throughout the connections process.
- Support other departments within ESO on technical queries relating to the connections process.
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:
- Passionate about the energy industry, the mission to achieve net zero carbon operation and willingness go the extra mile to deliver great service to our customers.
- Experience of undertaking power system analysis with a good understanding of the principles of power system planning and operations
- Experience of using Power System Modelling and Analysis tools e.g., DIgSILENT Power Factory, PSSE etc.
- Strong communicator with excellent stakeholder management and report writing skills.
What You'll Get
A competitive salary of £55,000 - £63,000pa dependent on experience and capabilityAs 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:
- 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 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.