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 & ImplementationDesign, configure, and deploy scalable and sustainable OneStream solutions to meet evolving business process, performance, and reporting requirementsServe as SME on OneStream capabilities, including MarketPlace solutions, platform enhancements, and upgrade release planningCreate and maintain technical documentation, including data flow diagrams, cube design specs, integration mapping, and UAT to support ongoing system lifecycle managementArchitecture & Performance OptimizationDefine 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 integritySupport OneStream product roadmap planning in collaboration with business system owners and other Enterprise system architectsAdministration & GovernanceEstablish best practices and support OneStream administration activities for development, metadata & hierarchy management, security modeling, and cube designDevelop and support change management process to ensure standardized practices, user training, and adoptionCoach and mentor technical and non-technical users in the effective use of OneStream tools and workflowsRequired Qualifications: Bachelor’s degree in Computer Science, Computer Engineering, Information Systems, Finance, Accounting, or a related field — or equivalent practical experience8+ 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 practicesDeep 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 formulasExperience 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 that blends multiple data sourcesExpertise in implementing and maintaining dashboards, Cube Views and using XFGetCell and other OneStream reporting capabilitiesDesired Qualifications:Certified OneStream Professional (OCP) Lead ArchitectStrong understanding of GAAP, IFRS, and regulatory audit complianceExperience with implementing OneStream AI capabilities and deploying MarketPlace solutionsExperience with integration platforms (Workato, MuleSoft, Dell Boomi, etc.).Experience with tech intensive, fast change environment, and transformation projectsFor this role, you'll find success through craft expertise, a collaborative spirit, and decision-making that prioritizes your fellow Rioters, who are the customers of your work. Being a dedicated fan of games is not necessary for this position!Our Perks:Riot focuses on work/life balance, shown by our open paid time off policy and other perks such as flexible work schedules. We offer medical, dental, and life insurance, parental leave for you, your spouse/domestic partner, and children, and a 401k with company match. Check out our benefits pages for more information.At Riot Games, we put players first. That mission drives every decision in our quest to create games and experiences that make it better to be a player. Whether you’re working directly on a new player-facing experience or you’re supporting the company as a whole, everyone at Riot is part of our mission. And just like in our games, we’re better when we work together. Our goal is to create collaborative teams where you are empowered to bring your unique perspective everyday. If that sounds like the kind of place you want to work, we’re looking forward to your application.It’s our policy to provide equal employment opportunity for all applicants and members of Riot Games, Inc. Riot Games makes reasonable accommodations for handicapped and disabled Rioters and does not unlawfully discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, handicap, veteran status, marital status, criminal history, or any other category protected by applicable federal and state law. We consider for employment all qualified applicants, including those with criminal histories, in a manner consistent with applicable federal, state and local law, including the California Fair Chance Act, the City of Los Angeles Fair Chance Initiative for Hiring Ordinance, the Los Angeles County Fair Chance Ordinance for Employers, the San Francisco Fair Chance Ordinance, and the Washington Fair Chance Act.Per the Los Angeles County Fair Chance Ordinance, the following core duties may create a basis for disqualifying candidates with relevant criminal histories:Safeguarding confidential and sensitive Company data Communication with others, including Rioters and third parties such as vendors, and/or players, including minorsAccessing Company assets, secure digital systems, and networksEnsuring a safe interactive environment for players and other RiotersThese duties are directly related to essential operations, safety, trust, and compliance obligations within our organization. Please note that job duties may evolve based on business needs and additional responsibilities may be assigned as necessary to maintain operational efficiency and security.