DevOps Engineer (Unix DevOps with Java expertise)

• Administer and maintain RHEL-based Linux servers supporting Atlassian tools (Jira, Confluence)
• Provide support for Java applications running on Tomcat, including JVM tuning and troubleshooting
• Configure and maintain Apache HTTPD/Tomcat (reverse proxy, SSL/TLS, load balancing)
• Automate operational tasks (Bash/Python), including deployments, backups, and monitoring
• Diagnose and resolve system, application, and database-related performance issues
• Support integrations with LDAP/SSO, CI/CD tools, and monitoring solutions
• Ensure security, compliance, and system hardening in line with enterprise standards
• Monitor, optimise, and support performance and scalability of the environment
• Document configurations and collaborate with Atlassian administrators, security, and support teams

• 5+ years of Unix/Linux (RHEL) system administration in enterprise environments
• Strong experience with Java applications, including JVM tuning, Tomcat administration, and troubleshooting
• Hands-on knowledge of web servers (Apache/Tomcat), databases (PostgreSQL), and scripting (Bash, Python)
• Familiarity with Atlassian tools (Jira/Confluence) from an infrastructure support perspective
• Experience with security best practices, including firewalls, encryption, and compliance audits
• Knowledge of CI/CD pipelines (Bamboo, Jenkins) and integration with monitoring tools
• Analytical and problem-solving mindset for system-level issues
• Strong communication skills to collaborate with cross-functional teams
• Proactive and detail-oriented, with a focus on system reliability and security
• Ability to document processes and share knowledge effectively
• EU citizenship
• Fluent English: B2/C1
• Being open to occasional business trips abroad and visits in our office in Katowice

Clearance

• Luxmed
• Medicover Sport
• Worksmile
• educational platforms
• languages learning platform
• referral bonus
• copyrights
• life insurance
• workation
• certifications (paid by the company)
• conferences
• Tech Lunches
• possibility to join our Communities (Project Management, Architecture, Security, Process Management, Leadership, AI and Cloud)