Full functional & technical ownership from operational backlog delivery to global strategy and governance

Position purpose

The Global Technical & Functional Product Owner OneStream has end-to-end accountability for the functional and technical direction, operational delivery and enterprise-wide governance of the OneStream platform. The role combines day-to-day ownership of demand, backlog, incidents, requirements, testing and releases with responsibility for the global product strategy, roadmap, design standards, investment priorities and value realization. Acting as the primary Finance product authority, the role protects the global template, aligns competing stakeholder needs and partners with IT, Data and external providers to deliver a controlled, scalable and sustainable platform.

Key responsibilities

• Manages the OneStream application from functional & technical perspective. Align the strategy & roadmap with the functional business owners.


• Own the end-to-end functional backlog, balancing business value, risk, regulatory requirements, operational urgency and strategic alignment.


• Lead global demand intake and functional governance, aligning priorities across Controllership, FP&A, Tax, ESG, HR, Finance Transformation and local Finance teams.


• Collect, challenge and translate business needs into structured requirements, priorities, acceptance criteria, test scenarios and release scope.


• Creates Functional specifications for the developer or partners


• Validate functional change requests and protect the global template, ensuring deviations from approved design principles are documented and governed.


• Approve material functional designs, cross-process changes, template exceptions and business readiness for major deployments.


• Coordinate functional testing, user acceptance testing, business sign-off, release readiness, communications, training and adoption.


• Act as the primary functional point of contact and decision owner for OneStream process, reporting, enhancement and operational priorities.


• Define the operating model and collaboration expectations across Data, Infrastructure, Integration, Development


• Responsible for architecture, integration, security, access, environment management, performance, resilience and platform lifecycle.


• Manage incidents up to Level 3


• Ensure controls, segregation of duties, documentation, approvals, testing evidence and decision traceability support audit and compliance requirements.


• Manage strategic vendor and system-integrator relationships from both functional delivery and business-outcome perspectives.


• Track platform health, delivery performance, adoption, stakeholder satisfaction and value realization, using insights to drive continuous improvement.


• Ensures that the application fulfils SOX requirements and is operated by fulfilling ITGC controls

Decision rights

• Set the global functional strategy, standards and roadmap, and recommend funding priorities through the portfolio process.


• Prioritize and sequence the functional backlog within the agreed governance and investment framework.


• Accept or reject requirements, completed changes, material functional designs and template exceptions against agreed criteria.


• Confirm business readiness and authorize functional deployment once required testing, documentation, controls and approvals are complete.


• Escalate unresolved strategic, funding, risk, ownership, resource or cross-functional decisions to Finance and IT leadership.

Required profile

• Bachelor or Master degree, or equivalent professional experience, in Finance, Accounting, Business Administration, Information Systems or a related field.


• Extensive experience in enterprise performance management, Finance transformation or global finance systems product ownership.


• Strong knowledge of consolidation, financial close, planning, forecasting, reporting and associated governance and control requirements.


• Demonstrated experience managing product demand, requirements, backlog, acceptance criteria, testing, releases and major change delivery.


• Experience leading cross-functional governance, global roadmap prioritization and collaboration across Finance, IT, Data and external partners.


• Strong executive communication, negotiation, facilitation, analytical thinking and structured decision-making skills.

Preferred experience

• Direct OneStream implementation, rollout, product ownership.


• Understanding of OneStream data structures, metadata, reporting, integrations, security and application controls.


• Experience designing or evolving a finance systems operating model, tiered support structure and global template.


• Experience with audit evidence, release governance, change management, vendor governance and platform lifecycle planning.

Success measures

• A clear global roadmap and transparent, value-based backlog aligned with Finance and enterprise priorities.


• High-quality requirements and controlled releases with documented decisions, testing, approvals and user readiness.


• Consistent global governance, reduced solution fragmentation and controlled template exceptions.


• Predictable delivery, improved platform health, effective risk management and stronger stakeholder satisfaction.


• Improved adoption, ownership and capability across global and local Finance communities.


• Demonstrable business value through reuse, simplification, process consistency and sustainable platform ownership.