Senior Linux Engineer – DC Migration Programme

• Administer, configure, and maintain enterprise Linux server environments
  


• Support application platforms running on Linux infrastructure
  


• Build and prepare infrastructure environments for migration activities
  


• Monitor system performance, reliability, and availability
  


• Diagnose and resolve infrastructure issues impacting application environments
  


• Support environment setup, configuration, and access preparation for migration phases
  


• Collaborate closely with application, middleware, and infrastructure teams during migration execution
  


• Maintain operational documentation and technical knowledge in Confluence
  

Requirements

• Advanced Linux system administration experience
  


• Strong experience with Red Hat Enterprise Linux or Oracle Linux
  


• Experience supporting application servers such as JBoss, Tomcat, Apache, OHS, WildFly, or Spring Boot environments
  


• Experience with automation tools such as Rundeck or Ansible
  


• Strong experience with Linux monitoring, performance analysis, and troubleshooting
  


• Scripting skills in Bash or Python
  


• Solid understanding of IP networking and infrastructure concepts
  


• Experience supporting high-availability or high-transaction systems
  


• Experience supporting infrastructure or data centre migration programmes
  


• Strong collaboration skills in international engineering environments
  

• Understanding of cryptography concepts such as PKI and PGP
  


• Experience in payments, fintech, or financial transaction systems
  


• Exposure to large-scale enterprise transformation programmes
  


• Knowledge of load balancing, TLS, and secure infrastructure patterns
  

Benefits

• Solid, competitive salary
  


• Work in a multinational environment on international projects
  


• Comprehensive healthcare
  


• Long-term B2B contract with a stable project pipeline
  


• Work model: Warsaw-based, primarily onsite with 1–2 remote days per month