We are seeking a senior support engineer to drive the stability, performance, and reliability of mission-critical systems. This role is ideal for someone who enjoys solving complex production issues, working across legacy and modern cloud environments, and influencing system improvements at scale. You will play a key role in supporting a hybrid technology landscape-maintaining legacy platforms while contributing to a strategic migration to Microsoft Azure cloud infrastructure. Key Responsibilities . Own end-to-end application support (L1-L3) across production and non-production environments . Monitor system health, performance, and availability . Manage incidents, problems, and service requests in line with SLAs . Perform deep-dive troubleshooting and root cause analysis (RCA) . Implement fixes, workarounds, and minor enhancements . Support system stability during cloud migration (Azure) . Collaborate with vendors and internal stakeholders to resolve issues . Maintain documentation, ru...