Finance System Analyst- Onestream (Contract)

Location: Central London (Hybrid - Minimum 2 days onsite per week)

Our client, a leading Consultancy is looking for a Senior OneStream Analyst to join on a contract basis.

This role will be instrumental in supporting the deployment of a standalone OneStream environment.

You'll work across a range of workstreams including financial consolidation, transaction matching, and tax modules, ensuring a smooth migration to a new independent instance. The role bridges finance, IT, and implementation requiring a strong blend of hands-on EPM systems knowledge, finance transformation experience, and project delivery expertise.

Responsibilities:

User Journey & Experience Mapping

• Assess existing system configuration and workflows
• Design and document improved user journeys, highlighting pain points and optimisation opportunities

OneStream System Separation

• Lead the analysis and documentation of requirements for the new standalone system
• Support the design and implementation of a fit-for-purpose finance data model
• Partner with vendors and internal teams to guide a smooth systems transition

Data Migration

• Collaborate with data, finance, and technical teams to develop a migration and retention approach
• Support data validation, cleansing, and readiness for go-live
• Assist with user training and hypercare post-deployment

Testing & UAT Oversight

• Design detailed test plans and manage UAT activities
• Ensure business processes and data are effectively validated in the new environment

Stakeholder Engagement

• Serve as the interface between technical teams, end-users, and external partners
• Facilitate workshops and working sessions to capture and prioritise business needs

Risk Management

• Identify, log, and track risks and issues related to finance platform separation
• Recommend mitigation strategies to minimise business disruption

Experience & Skills Required

Experience:

• 2-3 years of hands-on OneStream platform experience across design, integration, migration, and testing
• Experience in a Business or Functional Analyst in finance systems or transformation programmes
• Strong knowledge of financial reporting, data analysis, and system configuration
• Track record in managing testing phases including SIT/UAT

Desirable:

• Bachelor's degree in Finance/Business, Information Systems, Computer Science, Accountancy or a related field (Essential)Certified Business Analysis Professional (CBAP) or similar qualifications are advantageous
• Accounting certification is advantageous (or QBE)
• Exposure to divestment, M&A, or shared service centre projects

If you have the desired skills and experience and would like to find out more please apply to this advert by following the link below and attaching a copy of your most recent CV. If successful we will be in touch to discuss the role in more detail.