Контактна інформація

Шукач вказав телефон, ел. пошту та LinkedIn.

Отримати контакти цього кандидата можна на сторінці https://www.work.ua/resumes/1231690/

Досвід роботи

System Engineer

з 12.2021 по 09.2025 (3 роки 10 місяців)
HappyGamer, Дистанційно (IT)

- Designed and operated MariaDB HA (replication/Galera), implemented backups with verified restores (Disaster recovery plan for each "env")

- Deployed MongoDB ReplicaSet with TLS/mTLS and Envoy proxy (auto-primary detection, read/write split), scaled with no downtime.

- Ran WebCluster (Apache/Nginx behind Cloudflare): WAF, caching, SSL/TLS, improved TTFB.

- Automated delivery via GitLab CI/CD (BuildKit, multi-stage, artifacts, environments) + Helm. Zero/Low-downtime releases.

- Containerized services with Docker & Kubernetes/MicroK8s: requests/limits, HPA, jobs/cron; unified Helm charts.

- Administered Proxmox

- RAID 0/1/5/6/10 setup, disk replacement, SMART/firmware, burn-in. Clear procedures and documentation.

- Ansible automation: roles for Nginx/Apache, MongoDB, Envoy, Certbot (Cloudflare DNS), system hardening; idempotent workflows.

- Prometheus/VictoriaMetrics, Grafana, Alertmanager, Sentry actionable alerts, on-call, silences/escalations.

- Security and networking: end-to-end TLS/mTLS, iptables/UFW, Fail2ban, VPN/tunnels, Cloudflare DNS automation.

- DR/Backups: centralized backups (NFS/S3), retention policies, regular recovery drills, and runbooks.

- Performance troubleshooting: kernel/logging tuning during OOM storms, reduced tooling/UI stalls.

System Engineer

з 09.2019 по 12.2021 (2 роки 4 місяці)
MojoHost | Sep 2019 - Dec 2021, Дистанційно (IT)

- Communication with clients
- Troubleshooting application and server-side problems
- Migration and consolidation of different environments
- Virtualization: SolusVM, ProxMox
- Working with different RAID types and levels
- Load balancing and replication

Technical Support Engineer

з 07.2017 по 09.2019 (2 роки 3 місяці)
Quadranet | Jul 2017 - Sep 2019, Дистанційно (IT)

- Communication with clients
- Support customer servers and environment
- Monitoring customer services and servers
- Solve Network issues
- Working with different RAID types and levels

Technical Support Engineer

з 12.2015 по 07.2017 (1 рік 8 місяців)
CloudLinux| Dec 2015 - Jul 2017, Дистанційно (IT)

- Handle customer requests via Kayako/Zend Desk Ticket System
- Troubleshooting application and server-side problems

Technical Support Engineer

з 07.2013 по 12.2015 (2 роки 6 місяців)
Remsys| Jun 2013 - Dec 2015, Дистанційно (IT)

- Remote administration of the customer servers and applications
- Monitoring customer services and servers
- Handle customer requests via Kayako Ticket System

System Engineer

з 09.2012 по 07.2013 (11 місяців)
MKT Zaporizhzhya| Sep 2012 - Jun 2013, Запоріжжя (Телекомунікації, зв'язок)

- Windows and Linux-like operating systems
- Apache/Nginx Web Services
- Optimize work of web applications
- MySQL and cached applications
- Failover cluster based on the Windows Server 2012 + Hyper-V
- VoIP system based on the cisco CUCM/CCX
- Proxmox virtualization
- Cisco switches and routers

System Engineer

з 03.2010 по 08.2012 (2 роки 6 місяців)
Avito Svit / Svit Traiding | March 2010 - Aug 2012, Запоріжжя (Оптова торгівля, дистрибуція, імпорт, експорт)

- Administration of local network and network equipment
- Maintenance Windows Servers 2008R2/FreeBSD operating system (Active Directory, DNS, VPN, GPO)
- Remote administration of the company branches
- Configure and maintenance corporate antivirus Symantec
- Configure Hyper-V virtualization
- Administration Mail Exchange server

System Engineer

з 09.2007 по 03.2010 (2 роки 7 місяців)
Computer Academy Step | Oct 2007 - Mar 2010, Запоріжжя (IT)

- Administration local network and network equipment
- Configure and maintenance MDT2010/WDS
- Configure Web cluster based on CentOS system
- Administration FreeBSD operating system
- Automatic Telephone System
- Administration of the Cisco and D-Link network switches
- Configure Active Directory, GPO, RDP

Освіта

НФ ОМУРЧ "Украина

Экономический, Специалист, Николаев
Вища, з 2007 по 2011 (4 роки)

КА "ШАГ"

Системное Администрирование, Запорожье
Середня спеціальна, з 2007 по 2009 (2 роки)

Знання і навички

• Docker
• Git
• BASH
• MySQL
• AWS
• Python
• Nginx
• Ansible
• Kubernetes
• VMware
• Jenkins
• SQL
• Організованість
• DHCP

Знання мов

Англійська — вище середнього

Додаткова інформація

P E R S ONA L P RO F I L E
With more than 15 years of various Unix and Windows systems administration experience, I am looking for a job to use my current skill set

S K I L L S
OS & Platforms: Ubuntu, CentOS/Alma/Rocky, Windows Server
Containers & Orchestration: Docker, Docker Compose, Kubernetes (K8s/MicroK8s), Helm
CI/CD & IaC: GitLab CI/CD, GitHub Actions, Ansible, BuildKit/Kaniko, Artifacts/Environments
Web, Proxy & Edge: Nginx, Apache (php-fpm/mod_lsapi), Cloudflare (DNS/WAF/CDN), HAProxy, Envoy (TLS/mTLS)
Databases & Caching: MariaDB/MySQL, MongoDB (ReplicaSet/TLS/Backups), Redis
Observability & Alerting: Prometheus/VictoriaMetrics, Grafana, Alertmanager, Sentry, Loki/Logs
Security & Networking: SSL/TLS, mTLS, iptables/UFW, Fail2ban, DNS, rate limiting, hardening, WAF tuning
Infrastructure & Virtualization: Proxmox (KVM/LXC), VMware, KVM, RAID (0/1/5/6/10), SMART/firmware
Process & Runtimes: PM2, systemd, Node.js runtime ops
Email & SMTP: Postfix, Dovecot, Sendmail (basic ops)
Cloud & GitOps: AWS (EC2/S3), ArgoCD (GitOps), backups/DR planning
Scripting: Bash, Python (утиліти, watchdogs, health-checks)

C ON T A C T D E T A I L S
Chernomorsk, Ukraine
Mobile: [відкрити контакти](див. вище в блоці «контактна інформація»)
Email: [відкрити контакти](див. вище в блоці «контактна інформація»)