Staff Application Engineer, OneStream

Riot's Enterprise Technology organization ensures Rioters have what they need to unlock their full potential by providing expertise on cybersecurity to protect the experience of millions of players, offering corporate solutions to increase productivity and guide teams on complex data privacy regulations. 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.

That’s where you come in: You will partner closely with Finance, Game Ops teams, and external vendors to implement best-in-class solutions, and drive technology, process and data maturity for this domain.

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 will ensure that OneStream is scalable, well-integrated, and aligned with business needs.

The ideal candidate has a strong technical background and a proven track record of delivering business value through enterprise performance management (EPM) solutions. They developed scalable processes and led global EPM implementations and integrations across diverse financial systems.

The role will report to the Manager, Application Engineering (Finance Tech) and work 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 process 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

Required Qualifications:

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 experience with 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