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Offer summary
(Summary generated by AI based on the full job description)
Project focuses on infrastructure administration within an international team. Required experience includes RHEL, preferred SLES and Solaris (x86/SPARC), virtualization knowledge (VMware, Citrix, Hyper-V), storage systems (NAS, EMC SAN) and networking (F5, Cisco). Expected skills cover automation and scripting (Shell, Perl, Python) and DevOps/configuration tools (Ansible, Puppet, Chef). Responsibilities include configuring and supporting Unix/Linux environments, automating operations, performing root cause analysis, reviewing performance and capacity, implementing changes and collaborating with application and infrastructure teams. Offer includes hybrid work, medical and sports benefits and provided equipment.
from: 21 October 2026
to: 20 November 2026
21 000 - 24 000 złnet (+ VAT)/ mth.B2B contract (full-time)
Offer parameters
level:senior
working mode:hybrid
location:Kraków, Lesser Poland
Kraków, Lesser Poland
Requirements
Expected technologies
Linux
RHEL
Shell
Perl
Python
UNIX
Solaris
volume managers
multipathing
kernel tuning
VMware
Citrix
Hyper V
NAS
EMC SAN
TCP/UDP
LAN/WAN
F5
firewalls
Cisco
Ansible
Puppet
Chef
ITIL
Optional technologies
SLES
Veritas Volume Manager
Veritas Cluster Server
Our requirements
- 6–10 years of hands-on experience in Linux server administration (RHEL); SLES and Solaris (x86/SPARC) exposure preferred.
- Industry-recognised UNIX certifications.
- Strong Linux administration and architecture experience, including volume managers, multipathing, kernel tuning.
- Advanced scripting and automation skills (Shell, Perl, Python).
- Familiarity with virtualisation platforms: VMware, Citrix, Hyper V.
- Storage systems experience (NAS and EMC SAN — standalone and clustered with replication).
- Solid networking knowledge (TCP/UDP, LAN/WAN, F5, firewalls, Cisco).
- Experience in major enterprise or regulated environments (ideally Financial Services).
- Knowledge of DevOps tools and configuration management (Ansible, Puppet, Chef).
- Veritas Volume Manager / Cluster Server experience — a plus.
- Understanding of ITIL concepts and service operations.
- Self-sufficient, organised, proactive, and able to work effectively under pressure.
Your responsibilities
- Configure, deliver and support Linux (RHEL) and Solaris-based environments in a DevOps model.
- Work collaboratively with application teams and DevOps pods to integrate centrally provided infrastructure services.
- Support both production and non-production environments, improve SLAs, and ensure operational reliability.
- Automate daily operations using scripting languages (Shell / Perl / Python).
- Advise on Unix/Linux design and implementation best practices across project lifecycle stages.
- Review capacity and performance against SLAs, and implement changes where needed.
- Assess and implement changes based on change requests; translate business requirements into technical specifications.
- Troubleshoot incidents, perform root cause analysis, and ensure permanent corrective actions.
- Cooperate with infrastructure, application, support, and engineering teams to provide expert guidance.
About the project
We’re looking for an experienced Senior UNIX Administrator to join our client’s international infrastructure team. This role is perfect for those who enjoy working with cutting-edge technologies, driving automation, and working in a dynamic DevOps environment.
Sounds like your kind of challenge?
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.
What we offer
- Hybrid work setup – 6x/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
Benefits
- sharing the costs of sports activities
- private medical care
- sharing the costs of professional training & courses
- life insurance
Mindbox Sp. z o.o.
At Mindbox, we connect top IT talents with technology projects for leading enterprises across Europe.
Our focus is on matching your skills with work that matters – projects that use modern tech stacks, solve real business challenges, and give you space to grow. By joining us, you’ll deliver technology solutions for well-known brands, supported by the Mindbox team that values knowledge-sharing and continuous development. We make sure you have the tools, flexibility, and guidance to do your best work – and to keep moving forward in your career.
Senior Administrator Unix
21k–24k zł / mth. (B2B)
I apply to:
Mindbox Sp. z o.o.
Kraków, Lesser Poland
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