~/roles/junior-linux-sysadmin

Alex Tretiak

Poland (Warsaw area) / Remote

01. About

Self-taught Linux enthusiast with 4+ years of hands-on experience across multiple distributions including Arch, NixOS, and CachyOS. Comfortable diagnosing and resolving system-level issues independently. Highly interested in automation, system configuration, and open-source tooling. Eager to grow into a professional sysadmin role and contribute to real infrastructure.

02. Technical Skills

Operating Systems

Linux (4+ yrs) Arch Linux NixOS CachyOS CLI / Shell

Administration

System troubleshooting Package management User & permissions SSH configurations

Automation & Tools

Bash scripting MCP servers AI-assisted workflows Git version control

Currently Learning

Networking (DNS/TCP) Docker containers System Monitoring

03. Experience

Warehouse Operative

2023 — 2025
Logistics company · Poland (Warsaw area)
  • Worked in a fast-paced environment requiring coordination, efficiency, and safety.
  • Operated in an international team; managed daily workspace communication in Polish and English fluently.

04. Projects & Self-learning

Personal Linux Lab

2021 — present
Self-directed sysadmin research · github.com/wadeflaw
  • Maintained multiple Linux distributions (Arch, NixOS) across servers and hardware.
  • Diagnosed and resolved kernel boot anomalies and package dependency structures.
  • Built custom automation scripts in Bash to accelerate dotfiles and system parameters deployments.
  • Actively follows open-source developments and Linux community documentations daily.

05. Languages

Ukrainian Native
Polish Conversational