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Senior UNIX/Linux Infrastructure Administrator
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Offer summary

(Summary generated by AI based on the full job description)

The project focuses on IT infrastructure for a financial services organization, aimed at maintaining system stability and security. Technologies include RHEL 6/7/8/9, Bash, YUM/DNF, RPM plus monitoring tools and high-availability server setups. Responsibilities cover ensuring UNIX/Linux availability, automation with scripts, troubleshooting incidents across OS, network and application layers, patching and security hardening, log analysis and monitoring, and on-call incident and change management. Offered benefits include medical insurance, Multisport, Pluralsight and various integration and sports perks.

you can start ASAP

Senior UNIX/Linux Infrastructure Administrator

Company: ITDS Polska Sp. z o.o.

from: 1 October 2026
to: 31 October 2026
30 240 - 36 330 złnet (+ VAT)/ mth.B2B contract (full-time)
21 700 - 26 100 złgross/ mth.contract of employment
Offer parameters
level:senior
working mode:hybrid
location:Kraków, Lesser Poland
Kraków, Lesser Poland

Requirements

Expected technologies

Linux
Bash

Optional technologies

Jira
Ansible
Confluence

Our requirements

  • Minimum 5 years of experience in UNIX/Linux administration, with strong knowledge of RHEL 6, 7, 8, and 9
  • Proven expertise in shell scripting (Bash) for automation and operational support
  • Solid understanding of networking fundamentals: TCP/IP, DNS, SSH, firewalls
  • Experience with patching, package management (YUM/DNF, RPM), and vulnerability remediation
  • Good knowledge of server hardening, security controls, and system monitoring tools
  • Ability to troubleshoot across OS, storage, network, and application layers
  • Experience managing high-availability production environments
  • Strong command of English, both written and spoken
  • Only candidates with an existing legal right to work in the European Union will be considered for this role

Optional

  • Knowledge of automation and configuration-management tools such as Ansible
  • Familiarity with collaboration tools like Jira, Confluence, ServiceNow
  • Knowledge of German language (spoken)

Your responsibilities

  • Ensure operational stability, integrity, and availability of UNIX/Linux infrastructure supporting business-critical applications
  • Implement and maintain automation scripts and tools to enhance system performance and resilience
  • Troubleshoot and resolve complex incidents across OS, network, and application layers promptly
  • Support infrastructure changes, patches, and security enhancements aligning with best practices
  • Drive system monitoring, log analysis, and performance troubleshooting to optimize operational efficiency
  • Manage high-availability environments, ensuring minimum downtime and rapid recovery
  • Handle on-call support, incident management, and change assessment within SLA parameters

About the project

As a Senior UNIX/Linux Infrastructure Administrator, you will be working for our client, a leading financial services organization committed to delivering reliable and secure IT solutions. You will play a vital role in maintaining operational stability, optimizing infrastructure performance, and enabling continuous innovation to support critical enterprise services.

This is how we organize our work

This is how we work

you have influence on the choice of tools and technologiesyou have influence on the technological solutions appliedyou have influence on the productyou develop the code "from scratch"you focus on product development

Team members

product ownerproject managerIT administrator

#GETREADY to meet with us!

ITDS Business Consultants is involved in many various, innovative and professional IT projects for international companies in the financial industry in Europe. We offer an environment for professional, ambitious, and driven people.
We would like to meet you. If you are interested please apply and attach your CV in English or Polish, including a statement that you agree to our processing and storing of your personal data.

ITDS’s Whistleblower Procedure

📌 You can report violations in accordance with ITDS’s Whistleblower Procedure available here: https://itds.pl/wp-content/uploads/2025/03/INFORMATION-ON-PROCEDURE-FOR-REPORTING-BREACHES-AND-PROTECTION-OF-WHISTLEBLOWERS-AT-ITDS-POLSKA.pdf
Company

What we offer

  • ITDS Clubs
  • Access to medical insurance
  • Access to Multisport
  • Access to Pluralsight
  • Integrational Events
  • Ambassador Program

Benefits

  • sharing the costs of sports activities
  • private medical care
  • flexible working time
  • fruits
  • integration events
  • corporate gym
  • saving & investment scheme
  • no dress code
  • coffee / tea
  • drinks
  • christmas gifts
  • birthday celebration
  • sharing the costs of a streaming platform subscription
  • access to +100 projects
  • access to Pluralsight

Recruitment stages

  • 1.
    online interview
  • 2.
    online interview

ITDS Polska Sp. z o.o.

ITDS supports financial service providers to take the next steps.
We identify what’s possible, every day. Opportunities in the areas of technology, organization, and digitization.
We see where banks, insurers, payment companies, or fintech can go and how they can get there.
That’s why we want to stimulate you to ramp up your ambition. Forget what you perceive as restraints and step towards the new reality.
ITDS in Poland - Pure player in new Technologies & Financial Industry
+300 IT implementation professionals
+20 clients in the Banking, Insurance, Payment & Fintech Industry
ITDS excels in digital strategy delivery and implementation of best-of-breed lending solutions. ITDS has delivered successful strategic projects throughout Europe since 1998. We combine the experience we’ve accumulated with in-depth knowledge of technologies, business processes, and EU legislation to unlock new business opportunities.

This is how we work

Senior UNIX/Linux Infrastructure Administrator
21.7k–26.1k zł / mth. (CoE), 30.2k–36.3k zł / mth. (B2B)
I apply to:
ITDS Polska Sp. z o.o.
Kraków, Lesser Poland
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