Fractional Executive job opportunity - Interim Power BI Specialist at First Mile

Fractional Executive Opportunity

Interim Power BI Specialist at First Mile

📍 London, England, United Kingdom

About This Role

About the Role

We need an experienced Power BI Specialist to design and deliver clear, accurate reports that help us analyse Sales, Volume, Price, Costs, Margin, and Churn. These reports will show Actuals, Forecast, and Budget and allow users to slice the data by Channel, Customer Size, Waste Type, and Collection Type. You’ll work with data from an SQL database (customer transactions) and Excel sheets, and turn it into easy-to-use Power BI reports for our team.

What You’ll Do

  • Build Power BI reports that show key metrics for Sales, Volume, Price, Costs, Margin, and Churn.
  • Include views of Actual vs. Forecast vs. Budget, with clear variance analysis.
  • Make sure reports can be filtered by Channel, Customer Size, Waste Type, and Collection Type.
  • Connect and combine data from SQL Server and Excel.
  • Create a solid data model that supports fast and accurate reporting.
  • Write DAX measures for KPIs like Sales, Margin %, Churn Rate, and variances.
  • Verify data quality and ensure numbers match source systems.
  • Publish reports to Power BI Service and set up refresh schedules.
  • Document your work and provide a short handover so the team can maintain the reports.
Contract:4–8 weeks (possible extension)
Start Date:Immediately

What We’re Looking For

  • Strong experience building Power BI reports end-to-end.
  • Good knowledge of SQL and combining data from multiple sources.
  • Skilled in DAX, data modelling, and performance tuning.
  • Experience with Actual vs Forecast vs Budget reporting.
  • Able to work independently and deliver quickly in a short timeframe.
  • Good communication skills to work with Finance and Commercial teams.

Nice to Have

  • Experience with Power BI Premium features.
  • Knowledge of Azure data tools (Data Factory, Synapse).
  • Background in waste/environmental services or similar industries.

Deliverables

A set of Power BI reports covering:

  • Sales & Volume
  • Price & Mix
  • Costs & Margin
  • Churn
  • Documentation of the data model and measures.
  • A short handover session for the internal team.
Rate:£250 - £300 per day

Head Office in the heart of Soho, a minute’s walk from Oxford Street.

Lots of drinks, food, socials, events throughout the year.

Opportunities to volunteer throughout the year.

But most importantly, a fun, positive, collaborate workplace in which you can learn, working for a rapidly growing, multi award-winning business in a sector that has never been more important.

Job Details

Company
First Mile
Location
London, England, United Kingdom
Posted
23 Dec 2025
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About This Role

A Fractional Executive provides part-time senior leadership to businesses that need expertise without the commitment of a full-time hire. They bring years of experience and can make an immediate impact.

Day Rates (UK Market)

£700
Minimum
£900
Typical
£1200
Maximum

Based on UK market rates for Fractional Executive roles working 2-3 days per week

Related Resources

Frequently Asked Questions

What is a fractional executive?

A fractional executive is a senior leader who works part-time across multiple companies, bringing C-suite expertise at a fraction of the cost.

How much does a fractional executive cost?

Fractional executives typically charge £700-£1,500 per day depending on the role and seniority.

When should I hire a fractional executive?

Consider a fractional executive when you need senior expertise but cannot justify a full-time hire—common for growing businesses.

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