Senior Linux / Unix Infrastructure Engineer

Infolet supports IT leaders by providing technology, experts, and full operational support including legal residence and work permits for international IT specialists. They have 20 years of experience and run projects involving various IT specialists including those in Java, JavaScript, embedded C, C++, PHP, mobile, software testing, network and system administration.

• 6+ years of experience administering Linux (RHEL) environments
• Strong knowledge of Linux architecture, performance tuning, and system administration
• Experience with Shell scripting, Python, or Perl
• Hands-on experience with Veritas Volume Manager and Veritas Cluster Server
• Experience with virtualization platforms such as VMware, Citrix, or Hyper-V
• Knowledge of storage technologies including NAS, EMC SAN, and replication
• Solid understanding of networking concepts (TCP/IP, LAN/WAN, firewalls, load balancers)
• Experience with configuration management tools such as Ansible, Puppet, or Chef
• Strong troubleshooting and analytical skills
• Fluent in English and Polish

Nice to have:

• Experience with Solaris, SLES, or other UNIX platforms
• Linux or UNIX certifications (e.g., RHCSA, RHCE)
• Experience in highly regulated industries such as banking or financial services
• Knowledge of ITIL processes and operational best practices
• Experience working in enterprise DevOps environments

• Administer and support enterprise Linux (RHEL) and UNIX environments
• Deploy and maintain infrastructure services in collaboration with application and DevOps teams
• Automate operational processes using Shell, Python, or Perl
• Troubleshoot production issues and perform root cause analysis
• Design and implement infrastructure improvements focused on reliability and performance
• Manage storage, clustering, and virtualization technologies
• Contribute to capacity planning, technical standards, and operational documentation
• Collaborate with engineering teams to deliver secure and scalable infrastructure solutions