Staff Application Engineer, OneStream

About the Role

Riot's Enterprise Technology organization ensures Rioters have what they need to unlock their full potential. The Finance Tech team is focused on modernizing and integrating financial systems, optimizing workflows, and ensuring long-term sustainability for Riot’s Finance Technology ecosystem.

As the Staff OneStream Application Engineer (Finance Tech), you will be responsible for enhancing Riot’s OneStream platform: establishing best practices focusing on enhancements, architecture, performance, data management, and integrations. This role reports to the Manager, Application Engineering (Finance Tech) and works closely with a Junior OneStream Engineering team member.

Responsibilities

Solution Design & Implementation

• Design, configure, and deploy scalable and sustainable OneStream solutions to meet evolving business process, performance, and reporting requirements.
• Serve as SME on OneStream capabilities, including MarketPlace solutions, platform enhancements, and upgrade release planning.
• Create and maintain technical documentation, including data flow diagrams, cube design specs, integration mapping, and UAT to support ongoing system lifecycle management.

Architecture & Performance Optimization

• Define and implement best practices for metadata management, cube design, security modeling, and system performance tuning.
• Perform regular performance tuning, testing and debugging, data load optimization, and system audits to maintain platform efficiency and integrity.
• Support OneStream product roadmap planning in collaboration with business system owners and other Enterprise system architects.

Administration & Governance

• Establish best practices and support OneStream administration activities for development, metadata & hierarchy management, security modeling, and cube design.
• Develop and support change management processes to ensure standardized practices, user training, and adoption.
• Coach and mentor technical and non-technical users in the effective use of OneStream tools and workflows.

Qualifications

Required

• Bachelor’s degree in Computer Science, Computer Engineering, Information Systems, Finance, Accounting, or a related field — or equivalent practical experience.
• 8+ years of hands-on experience with EPM platforms (e.g., Oracle Hyperion, SAP BPC), including solution architecture, system and process design, and deployment.
• 4+ years of hands-on implementation and development experience with OneStream at a global scale, including architectural design, security modeling, and performance tuning best practices.
• Deep experience with Master Data Management (MDM) in financial systems, including managing key dimensions, maintaining hierarchies, overseeing approval workflows, and ensuring metadata consistency across OneStream and connected systems (e.g., Workday, Oracle, Coupa).
• High proficiency in writing business rules with SQL & VB.Net, designing Dashboard XFBR rules, dynamic calculations, and member formulas.
• Experience in developing and managing complex integrations with other domains such as Procurement/Coupa, Expense Management/Concur, HR/Workday, etc.
• Proven ability in enterprise-wide hierarchy management and designing new OneStream data cubes blending multiple data sources.
• Expertise in implementing and maintaining dashboards, Cube Views, and using XFGetCell and other OneStream reporting capabilities.

Desired

• Certified OneStream Professional (OCP) Lead Architect.
• Strong understanding of GAAP, IFRS, and regulatory audit compliance.
• Experience with implementing OneStream AI capabilities and deploying MarketPlace solutions.
• Experience with integration platforms (Workato, MuleSoft, Dell Boomi, etc.).
• Experience with tech-intensive, fast-change environments and transformation projects.