Junior BI Manager - Dashboards & Insights

Harnham; Greater London; On-site; GBP 55,000 - 75,000; Full time

Job summary

Harnham is expanding its UK-based Business Intelligence function to deliver high-quality insights across multiple client projects. You will own dashboard development, improve data structure, and ensure reporting is fit for purpose.

Collaborating with senior stakeholders, you will lead projects in a fast-paced environment and push for more advanced templating and forecasting capabilities to drive measurable commercial outcomes.

Qualifications

• Strong commercial experience with BI and reporting in a marketing or media environment.
• Hands on expertise in Power BI or similar tools such as Data Studio
• Strong SQL skills, ideally with experience using BigQuery
• Experience building dashboards that drive actionable insight
• Ability to work with data pipelines and understand data collection funnels
• Interest in AI, with evidence of personal exploration or projects
• Strong communication skills and ability to manage multiple stakeholders and priorities
• Experience with Python or R is beneficial but not essential

Responsibilities

• Audit and enhance existing dashboards and reporting products
• Lead discovery work to identify opportunities to improve data infrastructure and reporting setup
• Build and deliver new dashboards across marketing performance metrics such as clicks, impressions, and conversions
• Support onboarding of new client projects, ensuring data pipelines and reporting are fit for purpose
• Develop more advanced dashboard templating and explore future forecasting capabilities
• Integrate wider business data alongside performance metrics to drive deeper insights
• Create high quality, client ready visualisations including creative performance dashboards
• Collaborate with senior stakeholders and manage multiple projects in a fast paced environment

Skills

BI & reporting

Power BI

SQL (BigQuery)

Dashboard development

Data pipelines

AI interest

Stakeholder management

Python or R (optional)

Tools

Power BI

BigQuery

Python

Job description

Harnham is expanding its UK-based Business Intelligence function to deliver high-quality insights across multiple client projects. You will own dashboard development, improve data structure, and ensure reporting is fit for purpose.

Collaborating with senior stakeholders, you will lead projects in a fast-paced environment and push for more advanced templating and forecasting capabilities to drive measurable commercial outcomes.