We are seeking an experienced Application Support Engineer (L3) to join our Run Support team. This role provides advanced technical expertise, incident resolution, and long-term application stability improvements. The L3 engineer acts as the final escalation point for critical issues, leads root cause analysis (RCA), and partners with Product and Development teams to ensure that defects (bugs) and feature requests (stories) are properly documented, prioritized, and delivered through Azure DevOps (ADO). This is a Run Support position that must also be able to troubleshoot data-platform workflows independently.