> Markdown version of [/jobs/ext/2344902-onestream-finance-systems-manager](https://www.wearedevelopers.com/jobs/ext/2344902-onestream-finance-systems-manager). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # OneStream Finance Systems Manager - **Company:** SystemsAccountants - **Location:** UK - **Contract:** Permanent contract - **Skills:** Business Analytics Applications, Data Integration, Data Integrity, Network Troubleshooting, Power BI, OneStream, Data Streaming, Systems Integration - **Published:** August 5, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=33b83ccaad3e9fd3 ## About the Role To be considered for this role, you will have: Strong hands-on experience with OneStream administration, support, or development. Experience supporting financial consolidation, planning, budgeting, and management reporting processes. A strong understanding of finance systems, data flows, integrations, and reporting structures. Experience working closely with Finance, FP&A, Accounting, and IT stakeholders. Excellent problem-solving and stakeholder management skills. Previous experience in a Finance Systems, EPM, Consolidation Systems, or Financial Reporting Systems role. Desirable Experience large ERP environments. Exposure to Power BI or wider reporting and analytics platforms. Experience supporting finance transformation or system implementation projects. Previous team leadership or supervisory experience. The opportunity: Opportunity to take ownership of a strategically important OneStream platform. Exposure to senior finance stakeholders across a global organisation. Involvement in a major finance transformation and systems enhancement programme. ## Description OneStream Administration & Governance Manage and maintain the OneStream application, including hierarchies, dimensions, metadata, workflows, and reporting structures. Administer user security, access controls, approval workflows, and governance processes. Oversee reporting cycle activities, including period opens, closes, and workflow management. Ensure all system changes are appropriately documented, tested, and controlled. Financial Reporting & Consolidation Support Support monthly, budget, forecast, and long-range planning processes. Assist with Group consolidation activities, including intercompany eliminations, FX translation, and consolidation rules. Investigate reporting variances and ensure data integrity across finance processes. Support the production of management reports, reporting packs, budgets, and forecasts. Data Integration & Systems Improvement Support integrations between OneStream and source systems, including ERP platforms and other finance applications. Investigate and resolve data load, mapping, validation, and reconciliation issues. Work with Finance and IT stakeholders to improve processes and automate recurring activities. Drive enhancements that improve reporting efficiency and reduce manual intervention. User Support & Stakeholder Engagement Act as a key point of contact for finance users across multiple regions. Troubleshoot system issues and coordinate resolutions with internal teams and external partners. Deliver training, user guidance, and knowledge-sharing sessions. Build strong relationships with Finance, IT, and external stakeholders. Team Leadership & Finance Transformation Provide oversight and guidance to Finance Systems Analysts or supporting resources. Help prioritise support requests, reporting requirements, and enhancement initiatives. Support broader finance transformation programmes involving EPM, ERP, reporting, and analytics solutions. 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