> Markdown version of [/jobs/ext/1908066-onestream-functional-data-migration-lead-and-trainer](https://www.wearedevelopers.com/jobs/ext/1908066-onestream-functional-data-migration-lead-and-trainer). 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 Functional Data Migration Lead and Trainer - **Company:** SystemsAccountants - **Location:** Belgium - **Experience:** Expert - **Contract:** Temporary to permanent - **Skills:** Data Migration, OneStream, SAP (Applications) - **Published:** August 4, 2026 - **Apply:** https://be.indeed.com/viewjob?jk=8159c51d7140aed2 ## About the Role Proven experience with OneStream implementations or support projects Strong understanding of financial consolidation, reporting, and disclosure processes Previous experience migrating from SAP FC (Financial Consolidation) is highly desirable Experience supporting UAT, training, user adoption, and business readiness activities Ability to ensure technical delivery aligns with functional and business requirements Experience working with external implementation partners and internal project teams Strong stakeholder management and communication skills Ability to operate effectively in a hybrid, international project environment ## Description An international organisation is undertaking a major finance transformation programme and is seeking a Functional OneStream Data Migration Lead to support the migration from a legacy SAP FC environment. Working closely with both the internal project team and the external Systems Integrator, this role will ensure that the technical migration is fully aligned with business and functional requirements. The successful consultant will play a key role in reviewing and validating the target OneStream model, ensuring that account structures, disclosures, reporting requirements, and overall solution design meet the organisation's consolidation and reporting needs. Acting as a bridge between technical and business stakeholders, they will help drive a successful implementation while supporting governance, testing, and project delivery activities. A secondary focus of the position will be supporting user adoption and business readiness activities. This will include the creation of training materials, end-user training, support activities, and participation in User Acceptance Testing (UAT). The role is offered on a hybrid basis, with onsite presence in Belgium expected during key project phases and as project demands require. The initial contract is expected to run for approximately 12 months, with potential for extension as the programme evolves. This opportunity offers the chance to contribute to a high-profile international transformation programme while working alongside experienced finance and technology professionals. The consultant will gain significant exposure to a strategic OneStream implementation and have the opportunity to influence solution design, business processes, and long-term finance transformation objectives. ## Related Videos - [Independently together: how micro-applications improve developer experience + app performance](https://www.wearedevelopers.com/videos/452-independently-together-how-micro-applications-improve-developer-experience-app-performance) - [Swapping a Data Warehouse at Runtime: Zero-Downtime Migration Without Changing a Single Client](https://www.wearedevelopers.com/videos/100311-swapping-a-data-warehouse-at-runtime-zero-downtime-migration-without-changing-a-single-client) - [Migrating half a million users to a new payment service provider](https://www.wearedevelopers.com/videos/730-migrating-half-a-million-users-to-a-new-payment-service-provider) - [Replacing Excel with SAP APIs & Python validation](https://www.wearedevelopers.com/videos/1944-replacing-excel-with-sap-apis-python-validation) - [How to Destroy a Monolith?](https://www.wearedevelopers.com/videos/1407-how-to-destroy-a-monolith) - [Developer Tools for Microsoft Azure](https://www.wearedevelopers.com/videos/450-developer-tools-for-microsoft-azure) ## Related Articles - [How to land a developer job in Amsterdam](https://www.wearedevelopers.com/magazine/36-how-to-land-a-developer-job-in-amsterdam) - [Best Companies in the Netherlands: Top 25 Companies in 2023 ](https://www.wearedevelopers.com/magazine/193-best-companies-in-the-netherlands-top-25-companies-in-2023) - [How to Find Tech Jobs in Amsterdam](https://www.wearedevelopers.com/magazine/279-how-to-find-tech-jobs-in-amsterdam) - [Software Developer Salary in The Netherlands [2023]](https://www.wearedevelopers.com/magazine/217-software-developer-salary-in-the-netherlands-2023) - [Data Analyst Salary in Switzerland](https://www.wearedevelopers.com/magazine/276-data-analyst-salary-in-switzerland) - [The Netherlands – Europe’s powerhouse for software development?](https://www.wearedevelopers.com/magazine/31-the-netherlands-europe-s-powerhouse-for-software-development)