Senior IT Support Engineer

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Description

Senior IT Support Engineer 📍 Warsaw, Poland (hybrid model: 3 days per week in the office) 🌍 Global organization operating large-scale digital platforms About the Role We are looking for an experienced Senior Application Support Specialist to join a team responsible for supporting and optimizing mission-critical cloud-native applications running in a highly distributed environment. This role goes beyond traditional application support. You will act as a technical specialist focused on system reliability, performance optimization, observability, and incident management. Working closely with Development, SRE, DevOps, and Infrastructure teams, you will troubleshoot complex production issues, drive operational improvements, and contribute to the long-term stability and scalability of enterprise applications. The position offers a clear growth path toward Site Reliability Engineering (SRE) and is ideal for professionals who enjoy deep technical problem-solving, continuous improvement, and working in modern cloud environments. Your Responsibilities Manage and resolve application incidents within agreed service levels (SLAs) Investigate and resolve complex production issues affecting business-critical applications Coordinate with engineering, infrastructure, and platform teams to ensure effective incident resolution Communicate critical incidents, root causes, and improvement plans to senior stakeholders Monitor application and system performance, identifying opportunities for improv

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