Hybrid Treasury Systems Specialist (FIS Integrity)

Onyx-Conseil is seeking a Level 3 Treasury Systems Specialist in London to safeguard the integrity of the FIS Integrity TMS and its integrations. You will configure workflows, manage cross‑system data, and ensure releases meet governance and audit standards.

The role focuses on risk containment, regression governance, and strong collaboration with treasury operations to deliver secure platform enhancements within a hybrid London office setup.