Mid-Level Unix/Linux Infrastructure Specialist (GCB 5)

Project overview

Build rock-solid Unix infrastructure that keeps mission-critical systems running—day after day.

Location & work model Kraków-based opportunity with a hybrid work model (2 days in the office, 3 days remote).

As a Mid-Level Unix/Linux Infrastructure Specialist (GCB 5), you will be working for our client in Poland. You’ll support and maintain on-premises Unix/Linux infrastructure environments, ensuring stability, availability, and strong performance of core infrastructure components—while collaborating with internal teams to support infrastructure-related projects and initiatives.

Responsibilities

You're ideal for this role if you have:

It is a strong plus if you have: (optional)

Language Required for the role :

Eligibility for the role :

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• Support and maintain on-premises Unix/Linux infrastructure environments.
• Ensure stability, availability, and performance of infrastructure components.
• Troubleshoot infrastructure issues and help restore service reliability in a timely manner.
• Collaborate with internal teams to deliver and support infrastructure-related initiatives.
• Contribute to maintaining a reliable infrastructure operating environment aligned with agreed standards.
• 3+ years of experience in Unix/Linux system administration.
• Strong knowledge of on-premises infrastructure technologies.
• Hands-on experience supporting and maintaining Unix/Linux infrastructure in real environments.
• The ability to work effectively in a hybrid environment with standard office hours.
• Any additional infrastructure certifications or specialized Unix/Linux training.
• Communicative English (able to collaborate with internal teams).
• Only candidates with an existing legal right to work in Europe will be considered for this role.
• Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

Project details

• Start: flexible
• Remote: hybrid
• Location: Krakow, PL