Senior Linux Consultant

About the Position

Join GFT Poland as a Senior Linux Consultant to support and maintain Linux-based environments, ensuring stability, security, and performance. Working closely with cross-functional teams, you will contribute to vulnerability remediation, infrastructure automation, and operational improvements. As part of an international technology environment, you will help deliver reliable infrastructure solutions, support middleware platforms, and maintain high operational standards across the organization.

Responsibilities

• 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 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

Requirements

• 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
• Openness to work hybrid from our client's office (Kraków) 8 days a month

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

We Offer

• Competitive salary and benefits
• Ambitious projects, trainings, and tools you need to flourish
• A culture of top performance
• Deep tech IT engineering & consulting
• 1200 skilled & top-class experts
• 77% of the team are regular/senior
• Products that contribute to a sustainable world
• Google Cloud Partner of the Year - for going above and beyond for customers

About the Company

We are GFT Poland. WE KNOW how to tackle complex issues with an innovative approach to deliver the highest value. Our reputation has been built around one simple rule: we do not overpromise, WE DELIVER. We deliver to our employees, clients, and partners. WE GROW as you grow, so investing in you is our business strategy. Caring for each other is our priority. WE CARE who you are, what you need, how you feel. WE CARE to smile, have fun, and develop as human beings.

Type of Contract

B2B contract

Salary Range

135 - 170 PLN/H

Location

Kraków, PL, 30-302

Working Place

Hybrid