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Alexander Vinogradov

@alexandervinogradov

Systems & Network Engineer | Windows Server, Linux & Active Directory | MikroTik, VPN & Zabbix | NOC Operations | Open to Relocation

Russian Federation

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What I'm looking for

I'm open to international remote opportunities and relocation to Europe, the United Kingdom, or the United States. I’d welcome the chance to contribute to an international team, take on new challenges, and continue growing professionally.

I work at the intersection of systems administration and network engineering, building IT infrastructure, maintaining critical services and troubleshooting issues across different technical environments. With 3+ years of hands-on experience in corporate IT, hosting, telecommunications and retail, I have delivered infrastructure projects independently and supported 24/7 network operations as part of technical teams. I currently reside in St. Petersburg, Russia.

💻 Key Projects & Experience

• Corporate IT Infrastructure: Designed and deployed office IT infrastructure, including Windows Server, Active Directory, MikroTik networking, inter-office VPN connectivity and SIP telephony. Migrated file servers and ERP systems without data loss or idle time.

• Carrier Network Operations: Monitored international IP backbone and DWDM networks, investigated incidents and coordinated service restoration with engineering teams and partner carriers, maintaining customer communications in line with SLA requirements.

• Hosting & Linux Infrastructure: Administered Linux VPS environments using KVM and Docker, configured secure VPN connectivity and mail services, and implemented Zabbix monitoring.

• Retail IT Infrastructure: Deployed workstations, POS equipment and CCTV systems, integrated devices into corporate networks, and developed scripts and documentation to standardise equipment rollouts.

⚙️ Technical Expertise

Windows Server & Linux • Active Directory & GPO • TCP/IP & Routing • Cisco, Juniper & MikroTik • VPN & Network Security • VMware ESXi, KVM & Docker • Zabbix & Grafana • Infrastructure Monitoring • Incident Management • Bash & Python

🎯 Career Opportunities

I am open to international remote opportunities and relocation to Europe, United Kingdom or United States. I would welcome the opportunity to contribute to an international team, take on new challenges and continue growing professionally. Always happy to connect with fellow IT professionals, exchange ideas and explore new perspectives!

Experience

Work history, roles, and key accomplishments

Current

Systems & Network Engineer

Current

PSK LLC

Feb 2026 - Present (9 months)

●       Designed and deployed office IT infrastructure from scratch, including servers, networks and core IT services
●       Implemented Active Directory, DNS, DHCP and Group Policy for centralised user and access management
●       Designed and configured MikroTik LAN infrastructure and SSTP VPN connectivity between offices
●       Migrated file servers and the 1C:Enterprise environment to new i

Network Operations Center Engineer

RETNNET

Sep 2025 - Jul 2026 (10 months)

●       Monitored international IP backbone and DWDM transport networks in a 24/7 NOC environment
●       Investigated network incidents, isolated faults and supported service restoration
●       Analysed network performance and troubleshot Juniper, Infinera and Accedian environments
●       Coordinated incident resolution with engineering teams and partner network operators
●       Managed B2B/B2

Systems & Network Engineer

Repliner

Dec 2025 - Jun 2026 (6 months)

●       Administered Linux VPS infrastructure for several servers using Debian, Ubuntu, CentOS, KVM and Docker
●       Configured and maintained secure VPN tunnels using IKEv2/IPsec and WireGuard
●       Deployed and administered HTTP/HTTPS proxy services using Squid and Nginx
●       Deployed Postfix/Dovecot mail servers and configured SPF, DKIM and DMARC
●       Implemented Zabbix monitoring wit

Technical Operations Engineer

GS Labs

Feb 2025 - May 2025 (3 months)

●       Provided L3 technical support for servers, client equipment and internal infrastructure in a 24/7 operations team
●       Monitored infrastructure availability and performance with Zabbix and Grafana, investigating alerts and faults
●       Tracked incidents and service requests in Jira; documented troubleshooting procedures and resolutions in Confluence
●       Coordinated incident invest

Systems Engineer

Ulybka Radugi

Jul 2024 - Feb 2025 (7 months)

●       Deployed Windows/Linux workstations, POS terminals, fiscal devices and Android equipment across retail sites
●       Configured network connectivity and integrated devices into the corporate domain
●       Installed and maintained CCTV systems (DVR/NVR, Trassir), network cabling and patch panels
●       Developed scripts and documentation to automate device rollout and standardise configur

Systems & Network Administrator

CDYuTTiIT Pushkinsky District Education Centre

Jun 2022 - Jun 2023 (1 year)

●       Administered server infrastructure, workstations and core IT services across the institution
●       Deployed VMware ESXi virtual environments for technical training and practical exercises
●       Installed and configured Windows, Linux and macOS, including multi-boot systems
●       Configured, maintained and troubleshot PCs, Cisco routers and switches
●       Installed structured cablin