Senior UNIX Administrator

Summary

Senior UNIX Administrator maintains and automates Linux (RHEL) and Solaris environments for enterprise clients, focusing on resilience, automation, and DevOps tooling in a regulated setting.

At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe.

As a Senior UNIX Administrator, you’ll work within cross-functional DevOps pods, configuring and delivering Linux (primarily RHEL) and some Solaris environments, while supporting both live and non-live platforms. This role involves implementing automation, streamlining build and support processes, and contributing to infrastructure modernization in a heavily regulated environment.

You’ll be the go-to expert for best practices in Unix/Linux system design and actively shape operational efficiency and resilience.

Sounds like your kind of challenge?

What you get in return
  • Flexible cooperation model – choose the form that suits you best
    (B2B, employment contract, etc.)
  • Hybrid work setup – remote days available depending on the client’s arrangements - 6 days a month from the office in Kraków
  • Collaborative team culture – work alongside experienced professionals eager to share knowledge
  • Continuous development – access to training platforms and growth opportunities
  • Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more
  • High quality equipment – laptop and essential software provided
  • 6–10 years’ experience in Linux server administration (primarily RHEL); Solaris (x86/SPARC) is desirable
  • Deep technical expertise in Unix fundamentals: volume managers, kernel tuning, multipathing
  • Strong scripting and automation skills: Shell, Bash, Python, Perl
  • Proficient in Veritas Cluster and Volume Manager (MANDATORY)
  • Experience with x86 hardware and virtualized platforms (VMware, Citrix, Hyper-V)
  • Hands-on experience with SAN/NAS storage configuration, replication, and clustered filesystems
  • Good understanding of networking concepts (TCP/UDP, VLAN, firewalls, F5 load balancers)
  • Strong exposure to DevOps tooling: CI/CD, configuration management (e.g., Ansible)
  • Ability to work in regulated enterprise environments, ideally in financial services
  • Excellent communication skills with a team-oriented approach
Nice to Have
  • Familiarity with ITIL concepts and operational processes (Incident, Problem, Change Management)
  • Experience driving automation adoption and optimization initiatives at scale
  • Certifications in Linux or UNIX system administration

Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference.