Pavlo

Pavlo antonenko
Linux Support Engineer
Ukraine GitHub Email LinkedIn

EXPERIENCE
Linux Troubleshooting & System Administration | SadServers Practice
January 2026 – Present
Actively developing L2/L3 support skills through hands-on troubleshooting scenarios. Documenting all
solutions in public GitHub repository following incident resolution methodology.

Resolved 20+ real-world Linux system issues: process management, disk space analysis, log processing,
database connectivity, Kubernetes pod scheduling

Built comprehensive ops-runbook with diagnostic workflows and CLI cheatsheets for rapid incident
response

Practice daily with system diagnostics, network troubleshooting, Docker containers, and SQL queries

Follow structured L2/L3 methodology: identification → investigation → RCA → resolution → documentation

GitOps & Containerization | Learning Project
October 2025 – November 2025
Explored modern DevOps practices through hands-on lab environment to understand containerization and
GitOps workflows.

Set up local Kubernetes cluster and practiced basic pod deployments

Configured Prometheus and Grafana dashboards for cluster monitoring

Learned Docker containerization, multi-stage builds, and image optimization techniques

Experimented with ArgoCD for GitOps-based deployment automation

Skills: 

Linux (CLI), Troubleshooting, Networking (TCP/IP, DNS, SSH), Docker, Monitoring (Grafana, Prometheus),
Bash, SQL, Git

Learning: 

Kubernetes, Terraform, AWS basics
Certifications: 

EPAM DevOps Beginner & Fundamentals (in progress), Docker Essentials, Kubernetes Introduction, GitOps
Introduction, Oracle Cloud Infrastructure Foundations, AWS Cloud Quest, Linux Unhatched, Networking
Basics, SedServers: Linux And DevOps Troubleshooting skills master
Languages: 

English — Professional, Ukrainian — Native
Education: 

Bachelor's degree, Computer Science, Lutsk National Technical University, Ukraine, 2019