Data Assurance Lead - NESO

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.

As Data Assurance Lead, you will provide second-line data assurance across NESO, ensuring compliance with all data standards. This role is pivotal in safeguarding data integrity, driving adherence to governance frameworks, and supporting NESO’s commitment to robust data management practices. You will act as a trusted advisor, challenging and validating first-line controls to maintain high standards of data quality and compliance.

This role can be based from Warwick or Wokingham, and we continue to offer hybrid working from office and home.

• Apply second-line assurance across NESO to monitor and validate compliance with published data standards.
• Develop and maintain assurance frameworks, methodologies, and reporting mechanisms to identify risks and gaps.
• Provide independent oversight of data governance activities, ensuring alignment with NESO’s strategic objectives.
• Collaborate with first-line teams to address findings, recommend corrective actions, and track remediation progress.
• Produce clear, actionable assurance reports for senior stakeholders, highlighting compliance status and risk exposure.
• Champion continuous improvement in data assurance processes and contribute to the evolution of NESO’s governance model.

We’re setting the benchmark for data integrity across NESO, and we know robust assurance is key to success. That’s why we need strategic thinkers and governance champions like you to help us strengthen compliance and drive excellence. In this role, we’re looking for someone who has:

• Experience
  :
  Proven track record in data governance, assurance, or audit within complex organisations.
• Knowledge: Strong understanding of data standards, data risk and control frameworks, and regulatory compliance requirements.
• Skills:

• Analytical and detail-oriented with the ability to interpret complex data governance requirements.
• Excellent stakeholder engagement and influencing skills.

• Ability to challenge constructively and drive improvements.

• Technical
  :
  Familiarity with data management tools, assurance methodologies, and reporting systems.
• Attributes
  :
  Proactive, resilient, and committed to maintaining the highest standards of data integrity.

A competitive salary between £55,000 – 65,000 – 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%.

You will also have access to a comprehensive benefits package tailored to support your well-being and professional success. From a competitive salary to flexible work arrangements, we promote your work-life balance. Enjoy fit for purpose wellbeing and lifestyle offerings, ongoing skill development aligned to our Purpose and Values, and be part of a supportive community that values your individuality and where you can belong.

National Energy System Operator (NESO) has a key role to play in tackling climate change by transitioning GB’s electricity system to net zero. We already operate the fastest decarbonising electricity system in the world, with an ambition for zero carbon power operation by 2030 when there is sufficient renewable generation. We are also providing advice to the Government on achieving a decarbonised power system by 2030.

So, join the energy transformation and help shape the future. Your energy, our future, together.

This role closes on 08/03/2026 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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