Job Description: Application Lead Finance | hybrid | Guararema The Application Lead Finance (OneStream) is responsible for ensuring the operational readiness, stability, and continuous improvement of Financial Consolidation and Reporting solutions during and after large-scale transformation programs, including S/4 Digital Core deployments. This role acts as the key bridge between transformation programs and steady-state operations, leading service introduction, vendor governance, and operational integration to ensure Business as Usual (BAU) continuity with strong ITIL alignment 1. OneStream & Finance Application Technical Operations Own the technical administration and operational stability of OneStream, HFM and related Finance reporting applications. Manage and administer OneStream, HFM applications, and associated modules Management of system licenses Management of TCO (total cost of ownership) on applications in scope Support data imports, mappings, calculations, and metadata management Assist in application development activities, including reports and dashboards, under Product direction Review new releases, assess functional impacts (new and deprecated features), and communicate changes to stakeholders Support automation, accelerators, GenAI usage, and best practices to improve performance and configuration 2. Vendor Management & Technical Governance Lead the operational management of third-party support vendors, ensuring service quality and SLA adherence. Drive vendor execution for the build, testing, and deployment of new solutions Manage vendor activities during upgrades, enhancements, and defect resolution Act as the primary escalation point for complex incidents and performance issues Conduct root cause analysis and ensure permanent resolution of recurring issues Track service performance metrics and drive continuous improvement actions 3. Environment & Release Management Ensure controlled and stable promotion of changes across environments. Support migration of changes across Dev, Test, and Production environments Coordinate testing activities with vendors and stakeholders Validate data integrity and functional performance before production deployment Support Service Introduction and hypercare activities for the new scope 4. Incident, Data & Operational Support Ensure business continuity during Period End Closing and critical finance cycles. Manage OneStream, HFM support tickets (creation, follow-up, resolution) Troubleshoot performance issues and break/fix scenarios Support data-related issues (imports, mappings, transformation logic) Provide operational readiness support during PEC cycles Monitor integration flows and data movement between finance systems 5. Documentation, Audit & Compliance Support Ensure transparency, traceability, and audit readiness of the application landscape. Maintain and enhance Support Desktop Procedures and Task Lists Contribute to ServiceNow knowledge documentation Track and report operational metrics and service KPIs Support recurring internal audit reporting (metadata, security, business rule changes) Ensure documentation is current and aligned with ITSM standards 6. Finance Landscape & Stakeholder Alignment Act as a technical bridge between Finance, Product, and Digital Technology teams. Support Financial Consolidation and Reporting systems (OneStream, Data Lake, HFM, and related platforms) Ensure alignment between Product strategy and operational support execution Collaborate with Platform, Security, Data, and Integration teams to ensure supportability Provide technical advisory input for transformation initiatives and Digital Core evolution TBdigital