Job Description

The Senior Manager — FP&A; Systems and Governance is accountable for the operational integrity, governance and stability of the OneStream platform that underpins Amex GBT's FP&A; function. This role ensures the platform delivers accurate, trusted data to all FP&A; consumers, sets and enforces governance standards across the platform, and builds the long-term system capability of the team. The role is responsible for the day-to-day reliability of the platform, the quality of the data it produces, and the ongoing reduction of dependency on external implementation partners. It is a senior leadership position within the FP& A Transformation team, with direct line management of the platform administration team and accountability for platform outcomes.

What You’ll do

Own end-to-end operational responsibility for the OneStream platform, including system stability, performance, capacity and upgrade planning and Monitor and manage platform health daily, including elastic pool capacity, consolidation scheduling, and integration health.




Lead production upgrade cycles in coordination with OneStream Support and Amex GBT IT, including regression testing and rollback planning and establish and maintain a single source of truth across all data feeds (PLN_Input, CTPInput, and others).
Own the relationship with OneStream Support for all platform-related issues and escalations and ensure the integrity and accuracy of all data flowing through the platform — actuals, forecasts, compensation model, allocations, sub-segment data.
Own metadata management — entity hierarchies, dimensions, scenarios, calculation logic, business rules and define and enforce data validation controls at pre-load, consolidation and pre-lock stages.
Lead reconciliation processes between OneStream and source systems including NetSuite, Workday and other feeds and build data and reporting-logic depth within the systems team that creates resilience alongside the FP&A; Data and Systems function.
Own th

📌 Senior Manager (India)
🏢 American Express Global Business Travel
📍 India