Unix Admin

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

We’re seeking a Unix Admin Specialist to join client’s Enterprise Infrastructure Team . You’ll play a key role in maintaining operational stability, integrity, and availability of Unix/Linux-based services. This position involves working on engineering and operational excellence, driving automation, and ensuring the resilience and performance of mission-critical systems supporting a global financial environment.

Sounds like your kind of challenge?  

#LI - Hybrid: 6x/month from the office in Kraków

What you get in return

Flexible cooperation model

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

Daily tasks

• Ensure operational stability, integrity, and availability of UNIX/Linux-based products and services.
• Handle incidents, outages, and problem resolutions for high-availability environments.
• Deliver infrastructure engineering changes with automation, scalability, and security in mind.
• Implement, monitor, and optimize infrastructure performance and capacity.
• Maintain compliance with internal controls and service standards.
• Collaborate with infrastructure, application, and service management teams.
• Participate in on-call rotation.

Requirements

5+ years of Unix/Linux system administration experience.

Solid hands-on knowledge of Red Hat Enterprise Linux (RHEL 6–9) .

Strong understanding of operating system internals: processes, services, filesystems, and permissions.

Proficiency in Bash scripting for automation and operational tasks.

Good understanding of network fundamentals (TCP/IP, DNS, SSH, firewalls, troubleshooting).

Experience with patching , package management , and vulnerability remediation (YUM/DNF, RPM).

Familiarity with system monitoring , log analysis, and performance tuning.

Knowledge of automation tools (Ansible preferred) .

Proven experience managing critical production environments .

Very good English skills (spoken & written).

Nice to have

Experience with collaboration tools (Jira, Confluence, ServiceNow).

Strong communication, analytical, and teamwork abilities.

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.

Must have: Unix, Linux, Red Hat Enterprise Linux, Operating system, Bash script, TCP, DNS, Performance tuning, Ansible

Nice to have: Jira, Confluence