Senior UNIX Administrator

At Mindboxwe 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?

Responsibilities

• 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

Requirements

• Configure, deliver, and support Linux (RHEL) and select Solaris servers in a DevOps delivery model
• Support application teams during builds, deployments, and day-to-day operation of environments
• Drive infrastructure automation by reducing repetitive tasks through scripting (Bash, Perl, Python)
• Implement and maintain standards for capacity management and performance tuning
• Collaborate on new designs and advise on Unix/Linux best practices across project lifecycles
• Use Veritas Volume Manager & Veritas Cluster Server for clustering and storage management
• Troubleshoot incidents, conduct root-cause analysis, and prevent recurrence issues
• Work closely with engineering teams to adopt configuration management tools (Ansible, Puppet, Chef)
• Maintain compliance with IT policies, controls, and operational SLA requirements

Note:Detailed project information will be shared during the recruitment process.

Benefits

• 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’llbecome part of Mindbox - a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’llback you up every step of the way, accelerate your development, and ensure your skills make a difference.