Senior Application Support Specialist

• 4+ years of experience in Application Support, Technical Support, Production Support, or a similar role
• Experience troubleshooting complex enterprise applications in production environments
• Strong problem-solving and analytical skills
• Good understanding of microservices architecture and distributed systems
• Experience with ITSM processes and tools
• Hands-on experience with Jira, Confluence, or other Atlassian products
• Strong communication skills and ability to work with both technical and business stakeholders
• Excellent English skills, both written and spoken
• A proactive mindset, ownership attitude, and customer-focused approach

Nice to Have:

• Experience with cloud-native applications and platforms
• Knowledge of scripting or programming languages
• Familiarity with Site Reliability Engineering (SRE) practices
• Experience supporting high-availability, large-scale enterprise platforms
• Background in monitoring, observability, and performance optimization

 

Senior Application Support Specialist 

Warsaw, Poland (hybrid model: 3 days per week in the office)

International logistics organization

About the Role

We are looking for an experienced Senior Application Support Specialist ((Enterprise Platform Operations) to join a global team responsible for supporting and optimizing a portfolio of mission-critical, cloud-native applications used across a worldwide logistics network.

You will work in a modern technology environment focused on delivering highly scalable digital products built on microservices architecture, real-time data processing, and advanced cloud technologies. This role combines deep technical troubleshooting, platform reliability, performance optimization, and close collaboration with engineering teams to ensure seamless business operations.

As a senior member of the team, you will take ownership of complex production issues, contribute to strategic support initiatives, and help shape best practices across the application support function.

Technology Stack:

• Kubernetes
• Docker
• Kafka
• MongoDB
• Cloud Technologies
• Microservices Architecture
• Atlassian Suite (Jira, Confluence)
• ITSM Tools
• Machine Learning & AI-enabled platforms

What’s in It for You:

• Opportunity to support and improve large-scale global platforms used by thousands of users worldwide
• Work with modern cloud-native technologies and engineering best practices
• Exposure to highly scalable, high-availability systems and complex business processes
• International and collaborative work environment
• Professional development opportunities and access to experienced technology specialists
• Benefits package including private healthcare (Luxmed) and sports card (Multisport)

,[Manage and resolve application incidents within agreed service levels (SLAs), Investigate and resolve complex production issues affecting business-critical applications, Collaborate with Development, DevOps, SRE, QA, and Infrastructure teams to implement permanent solutions, Communicate effectively with senior stakeholders regarding critical incidents, root causes, and improvement initiatives, Monitor application and system performance, identifying opportunities for enhanced stability, scalability, and supportability, Develop, maintain, and monitor Error Budgets for supported applications, Design and implement automated monitoring, alerting, and observability solutions, Lead support-related projects and continuous improvement initiatives, Analyze support metrics and application performance data to identify trends and optimization opportunities, Create and maintain technical documentation and knowledge base articles, Mentor less experienced team members and contribute to knowledge-sharing initiatives, Participate in an on-call rotation supporting a global 24/7 production environment] Requirements: Application Support, Technical Support, Production Support, Problem-Solving, Analytical skills, Microservices architecture, Distributed systems, ITSM, Jira, Confluence, Atlassian, Communication skills, Cloud-native applications, Site reliability engineering, SRE