Technical Code Analyst

About the Role

NESO (National Energy System Operator) is looking for an Analyst to join our Technical Codes Change team. The team supports the development and maintenance of the Technical Codes that underpin the operation of the electricity system, including the Grid Code, STC (System Operator Transmission Owner Code) and SQSS (Security and Quality of Supply Standard). The Technical Codes Change Analyst will support the development and delivery of Code modifications, ensuring they align with NESO objectives and deliver value for consumers and system security.

The role involves working with internal and external stakeholders across industry to understand issues, develop solutions and support efficient implementation. This is an excellent opportunity for a graduate or early‑career professional to develop knowledge of the energy industry, regulatory frameworks and stakeholder engagement, while contributing to the transition to a net zero energy system.

This role can be based from Wokingham or Warwick (at least 1 day a month in the Warwick office), 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.

Applicants must have the right to work in the UK by the start of employment. Visa sponsorship may not be available for this role and will be considered in line with business requirements.

• Deliver code modification activity: support the development and delivery of Grid Code, STC and SQSS modifications, ensuring outputs meet agreed objectives and timelines.
• Support stakeholder engagement: work with internal teams and external stakeholders (e.g. Ofgem, TOs, DNOs, generators) to contribute to discussions, meetings and work groups.
• Develop analysis and documentation: assist in analysing issues, drafting modification proposals, supporting documentation and contributing to reports and meeting materials.
• Maintain governance and processes: follow established code modification processes, maintain accurate records, and ensure documents and trackers are kept up to date.
• Collaborate across NESO: engage with internal teams (e.g. Legal, Regulation, Operational teams, Corporate Affairs) to support delivery and understand implementation considerations.
• Contribute to team and personal development: proactively build knowledge of the energy sector, code frameworks and NESO processes, and contribute to continuous improvement and lessons learned.

• Is motivated to learn about the energy sector, regulation and technical frameworks.
• Can work independently on defined tasks and manage their time effectively.
• Is comfortable asking questions and seeking support to develop understanding.
• Demonstrates strong communication skills, both written and verbal.
• Has the ability to analyse information and present ideas clearly.
• Builds effective relationships and collaborates well with others.
• Shows initiative and a proactive approach to learning and development.

A competitive salary of £49,000 - £53,000pa, dependent on experience and capability.

• 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.
• Flexible benefits programme providing flexibility around health, lifestyle and protection benefits, including:
  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.

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 the…