Technologies-expected : Linux Microsoft Excel about-project : As a Linux/Unix Administrator, you will be working for our client, one of the leaders in online banking, supporting the company’s large-scale IT infrastructure. You will play a crucial role in ensuring high availability and security of Unix systems, managing virtualized environments, and overseeing patch management to maintain system reliability. This position involves collaborating with a skilled team in a dynamic environment to enhance operational efficiency and meet the demands of a fast-paced online banking platform. Warsaw based opportunity with hybrid work model (1-2 days/month in the office). responsibilities : Configure, monitor, and troubleshoot virtualized server environments Automate processes using scripting languages, including shell scripting Implement and oversee patch management processes for system security Monitor and manage IP protocols to optimize network performance Support users and troubleshoot issues related to Unix-based applications Collaborate on system upgrades and enhancements to improve functionality Maintain accurate documentation of system configurations and updates requirements-expected : A degree in a technical field, such as Computer Science or Electronics At least 3 years of experience as an IT Systems Administrator in a large organization (1,000+ users) Strong expertise with Unix systems (including Linux/RHEL, AIX) and high availability setups In-depth knowledge of server and application virtualization technologies Proficiency in scripting languages for automation, especially shell scripting Familiarity with patch management practices and related tools Practical knowledge of IP protocols Competence with MS Word, Excel, and Access at an intermediate user level Professional certifications in Unix system administration (preferred) Proficient English communication skills, both spoken and written offered : Access to +100 projects Access to Healthcare Access to Multisport Access to Pluralsight B2 B or Permanent Contract Flexible hours and remote work benefits : sharing the costs of sports activities private medical care flexible working time fruits integration events corporate gym mobile phone available for private use computer available for private use 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