Serhii V.
100% Job Success
Top Rated Plus

Systems Administration, DevOps

Servers administration, security hardening, malware cleanup, prevention of hackers intrusion, DevOps, DNS, email, web hosting setup, migration, troubleshooting, recovering, monitoring, automation, scripting, supporting, writing documentation. 6+ years on Upwork, ~ 200 projects, individual freelancer. I offer reasonable services in areas: Security: • malware cleanup, websites recovery; • penetration testing; • security hardening for servers and websites; Web hosting: • websites migration and web hosting setup; • hosting optimizing for speed and security, troubleshooting; • DNS configuration and troubleshooting, Cloudflare automation; • setup and support hosting panels (Plesk, cPanel/WHM, HestiaCP etc); • deploy and support various CMS (WordPress, Drupal, Typo3 etc); • cloud hosing (VPS) setup and automation (DigitalOcean, Linode, Hetzner, Vultr etc); DevOps and Clouds: • automation scripting with Bash, CMD, PowerShell; • clouds service and infrastructure setup (GCP, AWS, Azure); • virtualization (Proxmox VE, Docker, Podman, Hyper-V, XEN); • Kubernetes; • CI/CD pipelines. IT infrastructure administration tasks: • monitoring and maintain of servers and infrastructures; • DNS configuration, mail servers; • mesh networks (Netmaker, Zerotier etc), Wireguard, VPN (IPSec); • servers and workstations administration (Windows, macOS, Linux); Systems and services troubleshooting, data recovery: • OS restoring and boot recovery; • data, file systems and RAID recovering; • software and systems troubleshooting.
Work history

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  • Website Security
  • Web Server
  • Disaster Recovery
  • Debian