07/14/2026 updated
60 % partially available
Linux Systems Engineer / Infrastructure Support Specialist
Brest, Belarus
Only remote
Engineer's Degree in Information TechnologySystems EngineeringBash ShellUnixUbuntu (Operating System)LinuxLinux AdministrationLinux ServersNGINXRed Hat Enterprise LinuxLinux ContainersServer AdministrationSysadminNetwork SupportDocker
Operating Systems & Linux Administration
Over 8 years of continuous practical experience with server-grade Linux distributions (Ubuntu, Debian, RHEL). Proficient in CLI environment, systemd service management, user administration, and access control models.
Containers & Infrastructure
Hands-on experience in containerizing web applications using Docker and Docker Compose. Configuring and optimizing NGINX web servers for reverse proxying and traffic routing.
Automation & Scripting
Advanced Bash scripting skills for infrastructure automation, automating routine tasks, setting up complex cron jobs, and backup orchestration.
Networking & Observability
Solid understanding of the TCP/IP stack, DNS, routing, and HTTP. Proficient in network troubleshooting, infrastructure log monitoring, and deep analysis using system logs (journalctl, grep, awk).
Experience
Professional experience5 - 10 years
Freelancer since2019
Languages
EnglishGoodPolishBasic knowledgeRussianNative speaker
Project history
• Managed and optimized server infrastructure based on Linux distributions (Ubuntu, Debian, RHEL) as an independent B2B contractor.
• Containerized web services and applications using Docker and Docker Compose.
• Configured and optimized NGINX web servers for high availability, traffic routing, and reverse proxying.
• Developed production-ready Bash scripts to automate daily operational tasks, infrastructure monitoring, and backup scheduling via cron jobs.
• Conducted deep performance analysis and infrastructure diagnostics using journalctl, grep, and awk.
• Handled reliable network configuration including TCP/IP stack troubleshooting, DNS management, and secure VPN connections.