Manager, OneStream Administrator

Hybrid, Chicago, IL or New York City, NY

We’re looking for Manager, One Stream Administrator for Amer Sports’ office in Chicago (IL) or in New York City (NY)!

Amer Sports is a global collective of iconic sports and outdoor brands, powered by a community of people who share a passion for authenticity, impact, and excellence. We bring together leading brands, talented teams, and a culture built on collaboration. If you’re looking for an environment where you can make an impact and grow your career, we invite you to explore the opportunity below.

We are seeking an experienced One Stream Administrator to lead the administration and ongoing development of our global One Stream platform. This role requires deep hands-on expertise in One Stream administration combined with the functional finance acumen to translate business requirements into scalable technical solutions. This individual will serve as a subject matter expert and resource for both day-to-day administration and complex development initiatives, while helping upskill adminstrators transitioning from other EPM technologies to One Stream and ensuring compliance with SOX controls and governance standards.

This role will report toour Head of Financial Systems.

• Administer and maintain a complex global One Stream application,encompassing financial consolidations (multicurrency, intercompany eliminations, Profit in Inventory eliminations, Non-Controlling Interest), financial planning (forms, dashboards, driver-based and detailed planning), and workforce planning.
• Lead the design, build, and enhancement of new One Stream functionality, serving as a senior technical resource capable of translating finance and business requirements into robust platform solutions.
• Create and maintain metadata structures, cube views, form profiles, dashboards, business rules, data sources, transformation rules, workflow profiles, and security configurations.
• Develop and manage integrations using System Integration Connector (SIC) and other data integration frameworks.
• Write and maintain  business rules and SQL queries in support of calculations, data loads, allocations, and reporting requirements.
• Perform root-cause analysis and resolution of application issues, ensuring platform stability and data integrity.

• Serve as platform liaison across Finance, Accounting, FP&A, and IT, translating business needs into technical solutions.
• Proactively communicate platform changes, impacts, and timelines to process owners ahead of go-live.
• Lead change management for platform releases, including training and adoption support, to minimize disruption to close and planning cycles.
• Sequence competing priorities across brand and functional stakeholders, escalating trade-offs as needed.
• Guide and mentor newer One Stream administrators, providing technical direction, training, and support to build team capability.
• Participate in day-to-day administration alongside the team while taking ownership of tasks requiring advanced One Stream expertise and judgment.
• Collaborate cross-functionally with Finance, Accounting, FP&A, and IT stakeholders to gather requirements and prioritize enhancement initiatives.
• Contribute to requirements gathering, solution design, and build phases for new development projects.

• Ensure the One Stream platform and all related processes adhere to SOX compliance requirements, including maintaining proper segregation of duties, change management controls, and audit documentation.
• Develop and maintain comprehensive technical and process documentation, including design specifications, configuration guides, and control narratives.
• Partner with internal and external auditors as needed to support SOX testing and evidence requests.

• Bachelor’s Degree in Accounting, Finance, Data Analytics, or Management Information Systems.
• 3+ years of hands-on experience with One Stream implementing or administering One Stream applications in a corporate environment, with demonstrated proficiency across all core administration areas.
• 5+ total years of…