DevOps Engineer (Unix DevOps with Java expertise)

Sopra Steria is one of the largest players in the tech industry in Europe, known for its consulting, digital services and software development. The Polish branch operates in Katowice since 2007 as the Global Delivery Center with around 1,000 specialists. The Digital Platform Services department specializes in cloud, operating systems, virtualization, databases, backup, storage, networking, and security. The Application Services department handles software development, data engineering, testing, CRM, ITSM, ERP platform integrations, and application management for customers in Scandinavia, Benelux, France, Germany, Switzerland, and the UK.

• 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.
• Willingness to travel occasionally abroad and visit the office in Katowice.

Nice to have:

• Clearance.

• 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.

Only candidates located in Poland with EU citizenship are eligible for cooperation.