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Malt Strategy
Dmitry KovalevDK

Dmitry Kovalev

System Linux Administrator

€120/day
Oviedo, ES
3-7 years
Linux
Zabbix
Ansible
Docker
Virtualisation

Average response time: 1 hour

About Dmitry

# Your Linux system admin support 24/7 ( almost:) )

I can help with:
1. Linux System Setup & Configuration
- Server Installation & Configuration (Ubuntu, RHEL, Alma Linux, Rocky Linux, Debian, etc.)
- Cloud Instance Setup (Hetzner, Vultr, DigitalOcean, Linode and etc)
- Virtualization Setup (KVM, VirtualBox, Proxmox)
- Containerization (Docker, Podman, Kubernetes basic setup (K3s))
2. Security & Hardening
- Firewall Configuration (UFW, firewalld)
- SSH Hardening
- Intrusion Detection Systems (Fail2ban)
- Regular Security Audits & Patch Management
- SELinux setup and configuration
3. Monitoring & Maintenance
- System Monitoring Tools (Zabbix, Prometheus + Grafana)
- Log Management (Logrotate, journalctl)
- Backup Solutions (rsync, Borg, Restic, automated cron jobs)
4. Network & DNS Services
- DNS Server Setup (Dnsmasq)
- VPN Configuration (WireGuard)
- Web Server and Proxy Server Setup (Nginx, Caddy)
- Load Balancing (HAProxy)
5. DevOps / CI-CD Integration
- Automation - Ansible roles and custom playbooks
- Infrastructure as Code with Terraform
6. Troubleshooting & Support
- Remote Sysadmin Support (Hourly/Retainer)
- Disaster Recovery
- Data Recovery
7. On-call duties (please, contact for details)

Contact me anytime Mon-Sun 8.00-8.00

Rate from 15eu/hour

Cheers!
Dmitry Kovalev

  • Russian

    Native or bilingual

  • Spanish

    Conversational

  • English

    Conversational

  • French

    Basic

Can work on-site
Oviedo (up to 50km)

Experience

  • Freelance
    System Linux Administrator
    January 2023 - Today (3 years and 5 months)
    Support Linux Server Infrastructure (Rocky Linux, Alma Linux, Ubuntu, Debian). Infrastructure as a Code (Terrafomr). Automation of Daily Tasks (Ansible, Bash) Disaster Recovery Implementation and Backups(rsync, borg) Virtualization and Containerization(KVM, Docker) Networking (VPN, firewall). Monitoring (Zabbix).
  • DMK SHOP SL
    Linux System Administrator
    January 2022 - January 2024 (2 years)
    Support Linux Server Infrastructure (Rocky Linux, Alma Linux, Ubuntu, Debian) Automation of Daily Tasks (Ansible, Bash) Disaster Recovery Implementation and Backups(rsync, borg) Virtualization and Containerization(KVM, Docker, Podman) Networking (VPN, firewall) Monitoring (Zabbix)
  • Freelance
    IT Tech Support Technician
    January 2022 - January 2023 (1 year)
    Troubleshooting and Problem Solving Installation and Configuration Maintenance and Support. Computers, Laptops, Server repair, update and maintenance
Check out Dmitry's experience

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Education

  • IT Support Technician
    Herzing college
    2016
    IT Support Technician

Skill set

Infra as Code
Scripting Automation
Monitoring
IT-Security
System Setup
Firewall
SSH Hardening
SELinux
Prometheus
Grafana
Log Management
Backup
Network administration
VPN
Web Server
Proxy
DevOps
Troubleshooting
IT support
On-call duties
CI/CD Management
IT Architecture
IT Service Management
System Integration

Categories