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October 9, 2026
Senior IT Systems Administrator
Senior • On-site
96,000 - 264,000 PLN/yr
Warsaw, Poland
Quick Facts
Position: Senior IT Systems Administrator
Project duration: until 31.12.2026
Work model: remote/hybrid
Employment: full-time employment contract
Salary: 8,000–22,000 PLN gross (plus regulated bonus and length-of-service allowance)
Description
You will maintain and implement IT systems for healthcare, including solutions delivered under KPO, with responsibility for Linux operational environments in both production and non-production setups. The role covers administration, high availability architecture changes, monitoring, incident analysis, and support for deployments and service improvements, including on-call duty to ensure continuity of critical systems. You will also collaborate with technical teams and external vendors, and create and maintain technical documentation.
Responsibilities
Maintain and deploy IT systems for healthcare, including KPO solutions
Administer and ensure continuity of Linux-based operating environments
Analyze technical and business requirements for implementability and operations
Support design and evolution of system and infrastructure architecture
Plan and implement architecture changes to ensure availability, performance, and security
Identify infrastructure requirements (hardware, OS, supporting software)
Create and update technical/operational documentation and runbooks
Monitor environments, analyze incidents, and diagnose and resolve technical problems
Support implementation processes, acceptance testing, and IT service maintenance/development
Collaborate with technical teams and external providers maintaining and developing services
Participate in infrastructure inventory, growth planning, and management
Support IT projects during rollout, migration, maintenance, and optimization
Perform other role-scope tasks and supervisor instructions; work in shifts and take part in on-call coverage
Requirements
Experience working with high availability (HA) environments and clustering configuration
Very good Linux administration knowledge (RHEL or similar) in production environments
Experience configuring and managing system services: Apache, Nginx, SSH, DNS, DHCP, systemd
Knowledge of automation/configuration management tools such as Ansible or Puppet
Ability to monitor and analyze performance using tools like Zabbix and Grafana
Knowledge of Linux security mechanisms: access control, SELinux, iptables/nftables firewalls, security patching
Ability to work with virtualization and/or container platforms (VMware, KVM, Docker, Kubernetes)
Basic scripting in Bash or Python
Ability to work according to ITIL/DevOps processes (incidents, problems, changes), including log diagnosis and applying fixes
Current certificate of no criminal record (KRK)
Education and experience: higher education + 3 years experience OR secondary education + 5 years experience
Benefits
Employment contract
Remote/hybrid work model
Co-financing for training and courses
Co-financing for children’s vacation
Bonuses for top performers
Flexible working hours
Time off for preventive medical checkups
Social benefits (low-interest loans)
Co-financing for corrective glasses
Cafeteria benefits system (my benefit)
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