Linux System Administrator

Quick Facts

• Role: Linux System Administrator
• Focus areas: Linux server administration, network device management, monitoring, database/Big Data platforms, security, automation, virtualization, containers, high availability, and CI/CD

Description

You will administer Linux servers and network devices (HP/Aruba, Fortinet, UniFi, Dell), operate monitoring and statistics tools, and support SQL/NoSQL/Big Data solutions using ELK. The role includes centralized management and orchestration with Ansible, security hardening with HIDS and VPN (IPSec/SSL), plus virtualization (KVM, VMware) and cloud/container work with AWS/GCP and Docker (Swarm, Kubernetes). You will also maintain high-availability systems (HA), clustered services, CI/CD and CDN, collaborating across IT teams to optimize performance, security, and service quality.

Responsibilities

• Administer Linux servers and network devices (HP/Aruba, Fortinet, UniFi, Dell)
• Operate monitoring and statistics tools
• Support SQL/NoSQL/Big Data (ELK)
• Centralize system management and orchestration using Ansible
• Control system/network security using HIDS and VPN (IPSec/SSL)
• Support virtualization and cloud/container environments (KVM, VMware, AWS/GCP, Docker, Swarm, Kubernetes)
• Administer high-availability systems (HA), service clusters, CI/CD, and CDN
• Collaborate with other IT departments and optimize service performance, security, and quality

Requirements

• Minimum 3 years of hands-on experience administering Linux-class systems
• Experience coordinating and participating in migrations, upgrades, and new solution design
• Strong knowledge of IT security principles
• Advanced risk assessment and analytical problem-solving skills
• Independence and availability for emergency situations
• Strong interest in continuous learning and improvements in IT

Benefits

• Stable employment with cooperation form chosen by the candidate and attractive compensation based on skills and qualifications
• Collaboration with an experienced team and use of modern technologies to grow skills
• Comprehensive benefits including Medicover Sport, private medical care (LuxMed), Pyszne Pay, and holiday packages
• Modern offices; hybrid or remote work available in selected areas
• Supportive team atmosphere and respect for work-life balance