Java Site Reliability Engineer (SRE)

Quick Facts

• Role: Java Site Reliability Engineer (SRE)

• Work mode: Hybrid (2 days onsite required)

• Location: Warsaw, Poland

Description

Provide production application support for large-scale enterprise Java systems, ensuring high availability and system stability. Monitor, investigate, and resolve production incidents within service levels using Java/JVM troubleshooting, application logs, Unix/Linux server analysis, and SQL. Support ITSM activities (incident/problem/change) and participate in deployments, release support, and post-implementation monitoring.

Responsibilities

• Monitor, investigate, and resolve production incidents within agreed service levels

• Perform troubleshooting, root cause analysis, and issue resolution across Java-based applications

• Support and maintain applications running on Unix/Linux environments

• Execute SQL queries for data analysis, validation, and issue investigation

• Monitor application performance, JVM health, and server resources to proactively identify issues

• Collaborate with development, infrastructure, and business teams to resolve complex production problems

• Support ITSM processes, including incident, problem, and change management

• Participate in application deployments, release support, and post-implementation monitoring

• Maintain operational documentation and contribute to continuous service improvement

Requirements

• 5 to 7 years of experience in application production support or application maintenance roles

• Strong hands-on experience with Java applications and application architecture

• Experience supporting enterprise applications in production environments

• Good knowledge of JVM concepts, application logs, and Java troubleshooting techniques

• Strong experience with SQL for data analysis and issue investigation

• Hands-on experience working in Unix/Linux environments, including server-level troubleshooting

• Experience managing and supporting applications hosted on large-scale server environments

• Strong analytical and problem-solving skills with ability to perform root cause analysis

• Understanding of ITSM processes, including Incident, Problem, and Change Management

• Excellent verbal and written communication skills

• Ability to work effectively in a fast-paced production support environment and manage multiple priorities

• Experience working with monitoring, alerting, and ticketing tools (advantage)

• Knowledge of production support best practices, operational governance, and service delivery processes