Senior Linux Engineer

GFT Poland is offering a role supporting Linux-based environments in an international technology environment with a focus on infrastructure stability, security, and performance within a cross-functional team.

• Strong hands-on experience with Linux administration
• Experience with system security, hardening, and vulnerability remediation
• Hands-on experience with Jenkins and automation tools
• Experience with shell scripting
• Experience with CI/CD pipelines and deployment processes
• Knowledge of Tomcat or Red Hat JBoss Web Server (JWS)
• Experience with system monitoring and troubleshooting
• Understanding of networking and operating system fundamentals
• Strong analytical and problem-solving skills
• Good communication skills and experience working in international teams

Nice to have:

• Knowledge of IBM WebSphere Liberty (WLP)
• Knowledge of IBM MQ
• Knowledge of IBM App Connect Enterprise (ACE)
• Experience in the banking or financial services sector
• Experience with containerization technologies
• Experience with cloud platforms
• Experience with Ansible or other configuration management tools

• Manage and maintain enterprise Linux environments
• Identify, analyze, and remediate security vulnerabilities
• Implement and support infrastructure automation solutions
• Develop and maintain Jenkins pipelines and automation workflows
• Administer and troubleshoot Tomcat and Red Hat JBoss Web Server environments
• Perform system monitoring, performance tuning, and root cause analysis
• Support application deployments and release activities
• Collaborate with development and infrastructure teams to resolve production issues
• Ensure compliance with security and operational requirements
• Create and maintain technical documentation