Finance Systems & BI Specialist (OneStream / Power BI)
Greg Mills
Senior Consultant
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Posted on 20 March 2026
£600 Day Rate
Interim
London
Finance Transformation
31447
Opportunity description
Job Title:
Finance Systems & BI Specialist (OneStream / Power BI)
Interim Opportunity: Finance Systems & BI Specialist (OneStream / Power BI)
I am working with a global organisation through a key phase of their OneStream journey and are looking for a hands-on Finance Specialist to drive adoption, reporting, and data improvements post-UAT and into go-live.
Contract: 6 months, hybrid
Day Rate: £550 - £650
Location: Central London
Key focus areas:
• OneStream user adoption & reporting support
• Building dashboards & models in Power BI
• Improving data integration across a complex, multi-entity business
• Partnering with finance & sustainability teams on data quality
Ideal profile:
• Strong Power BI expertise
• Experience in complex organisations with multiple business units
• OneStream Experience (Essential)
• Practical, solutions-focused mindset
If you’re a systems-savvy finance professional who enjoys working in evolving environments, apply to this job advert.