DevOps Engineer (Unix DevOps with Java expertise)

We are looking for a DevOps Engineer (Unix DevOps with Java expertise) to join Sopra Steria Polska and one of our innovative international squads. You will play a pivotal role in the development and optimization of our development environment. You will manage the Unix/Linux infrastructure, support Java-based applications (Jira/Confluence), and collaborate with Atlassian administrators to resolve system-level issues. This role focuses on server administration, performance tuning, and troubleshooting in a Linux (RHEL)-based ecosystem, ensuring high availability, security, and compliance for enterprise-scale deployments. 

Note that we can only offer cooperation to people who are located in Poland and have EU citizenship.

Responsibilities:

• 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.

Tech stack on the project:

Linux(RHEL), Java/JVM tuning, Apache HTTPD, Apache Tomcat, PostgreSQL, Bash, Python/Perl, SSL/TLS, HTTP/HTTPS, JDBC, LDAP/SSO, Bamboo, Jenkins, Jira, Confluence