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Lead Business Analyst - NESO

Job in Warwick, Warwickshire, CV34, England, UK
Listing for: National Grid plc
Part Time position
Listed on 2026-02-24
Job specializations:
  • Business
    Data Analyst
  • IT/Tech
    Data Analyst, IT Business Analyst, IT Consultant
Job Description & How to Apply Below

Division: NESO Markets, Sys Ops, Major Projects, Resilience

Job Type:

Requisition Number: 64936

Department: ESO

Job Function:
Business Change and Project Management

About the role

National Energy System Operator’s (NESO) strength lies in our people. Together, we’re shaping the future where clean, affordable energy is accessible for all. Every day is an opportunity to make a real difference, accelerating the progress of sustainable GB energy, keeping people connected and society thriving as we create a brighter tomorrow.

As the Lead Business Analyst for the Markets Delivery team within the Digital, Data, and Technology (DD&T) team at NESO, you will be instrumental in defining and driving the requirements for transformational projects. These projects aim to achieve desired business outcomes and transition NESO to a zero-carbon electricity network. You will lead the business analysis efforts for the Review of Market Arrangements (REMA) within the Markets Directorate.

REMA, launched in 2022, is the government's initiative to reform GB electricity markets to support net zero and decarbonisation of the power sector. Now in its third phase as a Major Government Project, NESO is an official Delivery Partner to DESNZ, alongside Ofgem. This role is vital for the discovery and definition of DD&T projects to align with the REMA strategy.

You will utilise Agile Dev Sec Ops  principles to gather and define requirements, adopting a customer-centric approach to achieve business outcomes. Collaboration with strategic business analysts and stakeholders will ensure that project scope and intended outcomes are respected throughout delivery. Additionally, you will work with the wider delivery team to adopt Agile Dev Sec Ops  practices and drive continuous improvement.

This role requires strong analytical, influencing, and stakeholder management skills, along with the ability to drive a customer-centric approach. It offers a unique opportunity to contribute to NESO's vision of becoming a digital leader in the industry and transitioning the UK to a low-carbon energy future.

This role is based in Warwick, with an expectation of 2-3 days per week in the office and potential travel to NESO’s other offices in Wokingham, London, and Glasgow.

Key Accountabilities

Responsible for ensuring alignment to desired business outcomes and benefits:

  • Understand, develop and maintain up to date NESO and directorate knowledge and translate NESO’s priorities and outcomes into delivery of project outputs.
  • Carry out detailed discovery and impact assessments to inform REMA policy decisions.
  • Apply business modelling techniques to understand the business domain and stakeholders’ perspectives to establish how processes, systems, data and people interact and the impact of change on these.
  • Identify opportunities to improve business performance through business process engineering and identifying opportunities for digital transformation.
  • Gather and analyse data to create insights leading to informed decision making.
  • Apply benefits management techniques to ensure that benefits can be measured and tracked to support realisation after delivery.

Responsible for Requirements Definition and Management:

  • Establish and understand the entire perspective of the situation or change, using appropriate techniques and diagrams to convey this to project and business stakeholders.
  • Conduct user research to identify user needs and end to end journeys that need to be considered in development.
  • Define Epics and Features that can be understood by technical and non-technical stakeholders to include non-functional requirements and acceptance criteria written in an appropriate format, e.g. Behaviour Driven Development.
  • Create documentation and diagrams to enhance User Stories where necessary, e.g. Wireframes, data models, etc.
  • Refine Epics and Features via Agile ceremonies and socialisation, using negotiation skills to achieve the desired outcome in an acceptable way.
  • Own project backlog of User Stories and work collaboratively with Product Owner/Manager to define Features and Epics.

Responsible for establishing and demonstrating the standard for collaboration across all work areas:

  • Building…
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