Data & Insights Analyst – Power BI

Company: Marmion
Apply for the Data & Insights Analyst – Power BI
Location: Leeds
Job Description:


  • Location: Leeds

  • Working Style: Hybrid Working (up to 2 days at home)

  • Salary: £40,000 – £45,000 pa DOE

  • Benefits: Employee Assistance Programme (EAP) | Free On-site Parking | Regular Free Lunches & Company Socials | Birthday off work | Access to discounted holiday travel booking and dining


Due to the nature of our roles, candidates must be a UK resident residing within commutable distance to Leeds. Please note that we cannot offer visa sponsorship for overseas candidates.


The Role


We’re seeking an experienced, adaptable & confident Data Analyst with advanced Power BI expertise to lead the design and delivery of custom dashboards for clients. You’ll work with data across marketing, sales, e-commerce, inventory, and operations – connecting sources such as BigQuery and Google Sheets, building scalable data models, and creating intuitive, insight-driven dashboards that support business decision‑making


Roles & Responsibilities



  • Client Requirements & Scoping: Work with clients and account managers to define goals, key metrics, and dashboard requirements.

  • Custom Power BI Development: Design, build, and maintain white‑labelled Power BI reports tailored to client needs, with intuitive UX for non‑technical users.

  • Diverse Data Integration: Extract and transform data from a range of client sources, including marketing platforms, SQL databases, and Excel files.

  • Data Modelling & DAX: Build scalable data models in Power BI and use advanced DAX to create KPIs, time‑based metrics, and cross‑functional reports.

  • External Sharing & Security: Manage Power BI workspaces, apps, and sharing, including Row‑Level Security to protect client data.

  • Client Presentation & Support: Present dashboards to clients, explain insights, answer questions, and refine reports based on feedback.

  • Data Quality Assurance: Troubleshoot data issues, monitor refreshes, and ensure the accuracy of client reporting.


Skills & Experience



  • Cannot offer visa sponsorship for overseas candidates.

  • 3+ years’ experience as a Data & Insights Analyst, Data Analyst, Business Intelligence Analyst, or similar is essential.

  • Experience working in a Marketing Agency or Consultancy, or an internal role working with eCommerce data.

  • Advanced skills in Power BI Desktop and Service, including Power Query (M), complex DAX, data modelling, and workspace administration.

  • Confident communicating with both internal and external stakeholders, with excellent verbal and written communication skills.

  • Strong SQL skills for querying and joining data from various relational databases.

  • Advanced MS Excel skills, including pivot tables, VLOOKUP/XLOOKUP, and Power Query.

  • Great attention to detail, with the ability to manage multiple projects at once, pivot between different client requests, and make sense of unstructured client data.

  • Familiarity with cloud data warehouses and knowledge of Python or R would be desirable.

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Posted: May 21st, 2026