OneStream Application Specialist H/F

Design, develop, support, and optimise OneStream solutions that enable financial consolidation, planning, budgeting, forecasting, reporting, and analytics across the organisation.

Key Responsibilities

• Configure and maintain OneStream applications, workflows, and metadata.
• Develop and enhance Cube Views, dashboards, reports, forms, workflow profiles, and VB.NET business rules.
• Support financial consolidation processes, including intercompany eliminations, currency translation, ownership management, financial close, and reporting.
• Build planning and forecasting models.
• Manage data integrations with ERP and source systems.
• Troubleshoot functional and technical issues.
• Support Smart View reporting and Excel integrations.
• Work closely with Finance, Controlling, Treasury, Tax, and IT teams.
• Perform testing, UAT support, deployment, and documentation.
• Drive process improvements and automation initiatives.

Required Skills

• 3+ years of Enterprise Performance Management (EPM) experience.
• Excellent English skills; French is an advantage.
• Hands-on experience with OneStream implementation and support.
• Strong knowledge of OneStream XF, VB.NET business rules, SQL Server, financial consolidation, and FP&A processes.
• Understanding of budgeting and forecasting, close and consolidation, management reporting, and data governance.

Preferred Skills

• Experience with OneStream, Hyperion/HFM, FCCS, Anaplan, SAP BPC, or similar EPM platforms.
• Knowledge of REST APIs and system integrations.
• Exposure to Treasury and Tax reporting processes.
• OneStream certification or official training.

Qualifications

• Bachelor’s degree in finance, Accounting, Computer Science, Information Systems, or a related field.
• CA, CMA, CPA, or another finance qualification is advantageous.

Success Measures

• Timely financial close and reporting.
• Stability of the OneStream production environment.
• Reduction in manual reporting effort.
• Improved data quality and reconciliation accuracy.
• Successful delivery of enhancement projects.

What We Offer

• Up to 3 days of remote working per week.
• Vouchers worth €10, with 60% covered by Atos.
• Onboarding events and regular team get-togethers, depending on the business unit or site.
• All annual leave available from the first day.
• Employee referral programme with a bonus of up to €2,750.
• Access to social and cultural activities.
• Sustainable mobility support, including cycling and carpooling.
• Personalised career development opportunities.
• More than 600 certified training courses and access to an e-learning platform.
• Ongoing support for professional development.