OneStream Specialist

OneStream Technical Specialist – Role Overview We’ve partnered with a leading international group undergoing a major finance transformation to recruit a OneStream Technical Specialist. This position offers strong exposure to Group Finance, IT, and senior stakeholders, with a central role in shaping and expanding the OneStream platform across the organization. This is a hands-on technical role with strategic impact, without team management responsibilities. 1. Transformational & Operational Scope Technical & Transformation Responsibilities • Support the technical transformation of the OneStream platform across the group-wide Finance function. • Deliver implementations, integrations, and automation initiatives, ensuring the platform is fully embedded within the broader technology landscape. • Organize and execute enhancement and improvement projects based on evolving business needs. • Recommend and implement technical developments aimed at improving platform quality, stability, and performance. • Take ownership of the platform’s technical architecture to ensure scalability, maintainability, and alignment with functional requirements. • Develop and maintain interfaces for data import into OneStream and data export to downstream systems. • Ensure secure and robust system design aligned with new modules, developments, and organizational structures. • Prepare and maintain technical documentation, including architecture diagrams, data flows, admin manuals, and user guides. Operational Responsibilities • Act as a key technical specialist and escalation point for OneStream-related topics. 2. OneStream Roadmap Current Status • Consolidation module developed and operational. • ESG reporting module developed and undergoing final testing. Planned / Under Approval • Migration to OneStream Cloud, scheduled for mid-2026. Key Initiatives for 2026 o Enhancements to the Consolidation module, including automated data collection (Excel import forms). o Automation of Cash Flow reporting. o Development of Narrative Reporting capabilities. o Implementation of a Tax Provisioning solution. Key Initiatives for 2026–2028 o Creation of a unified integration platform for Consolidation and FP&A to enable automated data loading. o Implementation of the FP&A module (Planning & Forecasting). 3. Broader Transformation Initiatives The role will interact closely with several group-wide transformation programs, including: • Deployment of a new accounting system for holding and service entities. • Design and rollout of a unified integration platform for automated monthly data collection across all group entities, producing standardized files feeding directly into OneStream. • Full involvement in technical implementation, testing, and Go-live phases. 4. Reporting Line & Key Stakeholders Reporting Line • Reports directly to the Group’s Head of Technical Finance Systems. Daily Collaboration With • Group Finance teams (Consolidation, Controlling, Tax, ESG) • Operational Finance teams across multiple business units • IT teams (architecture, integrations, platform management) • External implementation and support partners • The broader OneStream community How do I apply? If you are interested in learning more about this opportunity or want to explore the market further, please contact Adam Jacobsen from SystemsAccountants at the following email address: Adam.Jacobsen@systemsaccountants.com. Who we are? SystemsAccountants is a leading global Financial Systems, Analytics, and Transformation recruitment company. We provide permanent & contractor recruitment solutions to enable clients to implement, support, develop, run & optimise, ERP, ERP and Analytics systems. We source and screen finance systems professionals on a global basis. Unlike typical search & selection firms, our consultants have an international reach, which ensures that our clients and candidates receive market insight along with a tailored service.