Hybrid Linux Engineer – Infra Automation & Security

GFT Technologies SE; Polska; Hybrid; PLN 186,000 - 234,000; Full time

Benefits offered by this job

Hybrid work

Job summary

GFT Technologies SE in Poland seeks a Linux Infrastructure Engineer to support and maintain Linux-based environments, focusing on stability, security, and performance. You will work with cross-functional teams to contribute to automation, CI/CD, and middleware support, delivering reliable infrastructure solutions in an international setting with a hybrid work model from Kraków.

Ideal candidates bring hands-on Linux, security, Jenkins, and scripting expertise, with strong problem-solving and

Qualifications

• Proven Linux administration experience in enterprise environments.
• Strong skills in security hardening and vulnerability remediation.
• Hands-on with Jenkins and automation tools.
• Shell scripting and CI/CD pipeline implementation.
• Experience with Tomcat or JBoss Web Server.
• Ability to monitor systems and perform troubleshooting.
• Good communication and collaboration in international teams.
• Willingness to work hybrid from Kraków (8 days/month).

Responsibilities

• Maintain enterprise Linux environments.
• Identify and remediate security vulnerabilities.
• Implement and support infrastructure automation.
• Develop Jenkins pipelines and automation workflows.
• Administer Tomcat and JBoss Web Server environments.
• Monitor systems, tune performance, and perform root cause analysis.
• Support application deployments and release activities.
• Collaborate with development and infra teams to resolve production issues.
• Ensure compliance with security and operational requirements; maintain docs.

Skills

Linux administration

Security hardening

Jenkins

Shell scripting

CI/CD pipelines

System monitoring

Networking basics

Communication in international teams

Hybrid work readiness

Tools

Tomcat

JBoss Web Server (JWS)

Red Hat JBoss Web Server

Jenkins

Ansible

IBM WebSphere Liberty (WLP)

IBM MQ

IBM App Connect Enterprise (ACE)

Job description

GFT Technologies SE in Poland seeks a Linux Infrastructure Engineer to support and maintain Linux-based environments, focusing on stability, security, and performance. You will work with cross-functional teams to contribute to automation, CI/CD, and middleware support, delivering reliable infrastructure solutions in an international setting with a hybrid work model from Kraków.

Ideal candidates bring hands-on Linux, security, Jenkins, and scripting expertise, with strong problem-solving and