Senior Power BI Developer

Location: National*

Closing Date: 19^th June 2026

Interviews: Week Commencing 6^th July 2026

Grade: SEO

(MoJ candidates who are on a specialist grade, will be able to retain this grade on lateral transfer)

Salary**: £42,914 - £46,182 (National) £49,325 - £53,081 (London)

Working pattern: Full-time, Part-time, Flexible working

Contract Type: Permanent

Number of vacancies: 1

Vacancy number: 18525

*We offer a hybrid working model, allowing for a balance between remote work and time spent in your local office. Office locations can be found ON THIS MAP

Please note that unless you are an existing member of staff at Justice Digital, Data and Science, the only London location being recruited to is 10 South Colonnade, E14 4PU. We are no longer recruiting to 102 Petty France, SW1H 9AJ.

The Role

Please note this role requires you to pass Security Check clearance. Please click on the link for details.

We’re recruiting for a Senior Power BI Developer here at Justice Digital, Data and Science to be part of our warm and collaborative Data team.

We are looking for an experienced Senior Power BI Developer to maintain and expand our suite of Finance Power BI dashboards. You’ll work closely with finance teams, data engineers, and other stakeholders to deliver accurate, scalable, and high‑quality reporting solutions. The role covers end‑to‑end Power BI development, including data modelling, DAX, Power Query, optimisation, and workspace management.

You’ll receive a range of excellent benefits when you join our department, including:

• A generous employer pension contribution of 28.97% through the Civil Service Pension Scheme.
• 25 days of annual leave, (increasing to 30 days once you have reached 5 years of service), plus 8 bank holidays and a privilege day for the King’s birthday.
• Flexible working arrangements including hybrid working, working part time or compressed hours. Designed to support a positive work–life balance.

You can find more details of the Benefits we offer here. To help picture your life at MoJ Justice Digital, Data and Science please take a look at our blog.

Key Responsibilities:

• Maintain and enhance existing Finance Power BI dashboards and data models.
• Develop new reports and visualisations following Power BI best practices.
• Build efficient DAX measures and Power Query transformations.
• Design scalable data models using STAR schema and strong data modelling principles.
• Collaborate with data engineers and business stakeholders to understand requirements and deliver clear, actionable insights.
• Ensure data accuracy through validation, reconciliation, governance, and secure access controls (including RLS).
• Use advanced Power BI features such as bookmarks, field parameters etc
• Manage Power BI Workspaces and Apps, including publishing and permissions.
• Work with cloud environments such as Microsoft Fabric, AWS, or similar.
• Use SQL for data extraction, validation, or troubleshooting when required.
• Produce clear documentation for models, datasets, and report logic.
• Experience in Power Apps to maintain and build solutions

If this feels like an exciting challenge, something you are enthusiastic about, and want to join our team please read on and apply!

Person Specification

Essential

• Experience designing, developing, and maintaining Power BI dashboards and scalable data models, applying strong data modelling principles and best practices. Including robust DAX measures, Power Query transformations, and clear documentation for models, datasets, and reporting logic.

• Develop and maintain Power Apps solutions to extend reporting capabilities and support business process automation, ensuring effective integration with Power BI, data platform and business workflows.

• Experience working with cloud data platforms (Microsoft Fabric & AWS) and utilise SQL for data extraction, validation, and troubleshooting, ensuring effective governance controls and management of Power BI workspaces, apps, and access (including RLS).

Willingness to be assessed against the requirements for SC clearance.

We welcome the unique contribution diverse applicants bring and do not discriminate based on culture, ethnicity, race, nationality or national origin, age, sex, gender identity or expression, religion or belief, disability status, sexual orientation, educational or social background or any other factor.

Our values are Purpose, Humanity Openness and Together. Find out more here about how we celebrate diversity and an inclusive culture in our workplace.

The Civil Service is committed to attract, retain and invest in talent wherever it is found. To learn more please see the Civil Service People Plan and the Civil Service D&I Strategy.

Salary Information**

Base salary for this role is from £42,914 - £46,182 (National) or £49,325 - £53,081 (London).

• New entrants to the Civil Service joining the MoJ are expected to start at the minimum of the pay band.
• Existing Civil Servants moving on a level transfer will retain their current base salary or move to the minimum of the pay band for the role, whichever is higher.
• Existing Civil Servants who are promoted will either move to the bottom of the new grade’s pay band or receive a 10% uplift, whichever provides the greater increase.

How to Apply

In Justice Digital, Data and Science, we recruit using a combination of the Government Digital and Data Profession Capability and Success Profiles Frameworks. We shall assess a combination of your Experience, Technical skills and Behaviours during the assessment process.

Stage 1 - Application and sift:

To apply for this position, you must submit the following as part of your application

• A CV detailing your career history (including any relevant qualifications). Your CV will be assessed against the essential criteria outlined within the Person Specification of this advert.
• A Personal Statement (no more than 750 words) which should outline your experience and skills, giving clear examples of work undertaken. It should specifically address how you fit the criteria below.

• Experience designing, developing, and maintaining Power BI dashboards and scalable data models, applying strong data modelling principles and best practices. Including robust DAX measures, Power Query transformations, and clear documentation for models, datasets, and reporting logic.
• Experience working with cloud data platforms (Microsoft Fabric & AWS) and utilise SQL for data extraction, validation, and troubleshooting, ensuring effective governance controls and management of Power BI workspaces, apps, and access (including RLS).

A diverse sift panel will review the information in your CV and Personal Statement to assess the sift criteria specified above. We operate an anonymous shortlisting process. Please ensure your CV and Personal Statement do not include your name or any other identifying details.

Should we receive a high volume of applications, a pre-sift based on the following will be conducted before the sift:

Experience designing, developing, and maintaining Power BI dashboards and scalable data models, applying strong data modelling principles and best practices. Including robust DAX measures, Power Query transformations, and clear documentation for models, datasets, and reporting logic.

Please access the following link for guidance on how to apply - Application Guidance

Stage 2 - Interviews:

Successful candidates who meet the required standard will then be invited to a panel interview held via Microsoft Teams. At interview stage, you will be assessed against the following Success Profile elements - Experience, Technical and the following Behaviours:

• Communicating and Influencing
• Managing a Quality Service

Appointments are made strictly in merit order. In the event that two or more candidates receive identical interview scores, the Managing a Quality service behaviour will be applied as the primary lead criterion to determine the final merit order.

Should you be unsuccessful in the role that you have applied for but demonstrate the capability for a role at a lower level, we reserve the right to discuss this opportunity with you and offer you the position without needing a further application.

A reserve list may be held for up to 12 months, from which further appointments may be made.

Use of Artificial Intelligence

Artificial Intelligence can be a useful tool to support your application, however, all examples and statements provided must be truthful, factually accurate and taken directly from your own experience. Where plagiarism has been identified (presenting the ideas and experiences of others, or generated by artificial intelligence, as your own) applications may be withdrawn and internal candidates may be subject to disciplinary action. Please see our candidate guidance for more information on appropriate and inappropriate use.

Terms & Conditions

Please review our Terms and Conditions which set out how we recruit and provide further information related to the role and salary arrangements.

If you have any questions, please feel free to contact digitalanddatarecruitment@justice.gov.uk