ATM Sr. Application Platform Engineer

Job Description Stefanini Group is seeking to welcome skilled Senior Application Platform Engineers to strengthen our Application Technical Management Operations (ATM) team within our Hybrid Cloud & Infrastructure Cluster. The role provides Level 3 (L3) expert support across a broad portfolio of middleware and application platforms hosting the customer's business applications. This role is a key technical position focused on day-to-day operations, stability, and continuous improvement of these application platforms. The Senior Application Platform Engineer will act as the highest escalation point for complex incidents and problems, lead platform lifecycle activities (upgrades, patching, performance tuning), and contribute to platform improvement initiatives - including automation, monitoring, and operational standardization across the supported application landscape. The ideal candidate combines strong middleware and application platform skills, structured troubleshooting at L3 level, ...