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Avetik PetrosyanAP

Avetik Petrosyan

IT SYSTEMS & SECURITY CONSULTING

€400/day
Yerevan, AM
15+ years
System administration
IT-Security
Linux
Google cloud
VMWARE

Average response time: 1 hour

About Avetik

Senior Systems and Security Administrator with 15+ years of international experience in IT infrastructure design, cybersecurity, and cloud architecture across the US, UK, and EU. Proven expertise in building secure, scalable environments using Windows, Linux, VMware, and major cloud platforms (AWS, Azure, GCP, Oracle Cloud). Recognized with 15+ U.S. Department of State awards, including the prestigious IRM ‘State-of-the-Art IT Award’, for innovation and operational excellence, and mentoring multicultural technical teams to deliver reliable, secure, and compliant IT solutions.
Digital and IT Services
Electrical industry
Energy and Electricity
IoT (Internet of Things)
Telecommunications

  • English

    Native or bilingual

  • Russian

    Native or bilingual

  • Armenian

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Self-Employed
    Senior Systems & Security Administrator
    DIGITAL AND IT
    October 2023 - Today (2 years and 9 months)
    Yerevan, Armenia
    Project 1 – Cloud Infrastructure Architecture and Migration (SoftPoint Inc., US)


    ● Designed and implemented the company’s cloud infrastructure and migration strategy across Rackspace, OVH, and Oracle Cloud.
    ● Architected and maintained hybrid environments (Windows and Ubuntu servers).
    ● Provided L3 support, performance optimization, and incident resolution for network and security operations.
    Tech Stack: Windows Server, Ubuntu, Rackspace, OVH, Oracle Cloud, VMware, pfSense, Active Directory, VPN (IPSec, OpenVPN), Firewall Management, Backup & Disaster Recovery, Network Monitoring (Zabbix, PRTG)

    Project 2 – Virtualization Modernization and Security Policy Implementation (Tentacle Solutions, UK & India)

    ● Designed and administered Proxmox-based infrastructure, replacing legacy XenServer systems.
    ● Managed virtualization, backup, and security policies across multiple time zones.
    ● Handled L3 incidents, system reliability improvements, and ongoing infrastructure documentation.
    Tech Stack: Proxmox, XenServer, Linux (Debian, Ubuntu), Windows Server, Active Directory, VPN (OpenVPN, WireGuard),Firewall Management, Ansible, Backup Solutions, Monitoring (Zabbix, Nagios)

    Project 3 – Hospital IT Systems Optimization (Green Umbrella Technology, Australia)

    ● Built and maintained networks, hypervisors, and on-premises services; collaborated with technical staff and external vendors, delivering Level 3 IT support.
    ● Performed Active Directory migrations, backup configuration, and disaster recovery planning.
    Tech Stack: Windows Server, Linux (Ubuntu, CentOS), VMware, Hyper-V, Active Directory, DHCP/DNS, VPN (IPSec, OpenVPN), pfSense, Network Infrastructure, 3CX, Backup & DR Tools, Endpoint Security

    Project 4 – Nextcloud deployment (Germany)
    ● Implemented and configured the Nextcloud collaboration platform, integrating email, contacts, and calendarsynchronization via CalDAV and CardDAV.
    Tech Stack: Nextcloud, FreeBSD, FAMP, CalDav, CardDav

    Linux FreeBSD Windows Server System administration Active Directory
  • U.S. Embassy
    Senior IT Infrastructure Specialist
    June 2010 - October 2023 (13 years and 4 months)
    Yerevan, Armenia
    • ● Designed, implemented, and administered secure LAN/WAN infrastructure, ensuring high availability and continuous connectivity across embassy offices, residences, and remote sites (20 branches, 300 FTEs).
    • ● Directed integration of multi-vendor videoconferencing systems and open-source collaboration platforms (BigBlueButton, Moodle, Apache OpenMeetings).
    • ● Supervised contractors, including ICP teams, Developers, Team Leads, Project Managers, and Business Analysts.
    • ● Administered cybersecurity controls, firewalls, VPN (IPSec/OpenVPN), preventing downtime and data breaches.
    • ● Managed Windows Server, Linux/FreeBSD/OSx, Active Directory, DNS/DHCP, and backup systems.
    • ● Delivered Tier-3 end-user and systems support under ITIL-aligned procedures, ensuring timely incident resolution.

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Education

  • Master's Degree in Engineering
    State Engineering University of Armenia (Polytechnic
    Master's Degree in Engineering
  • Senior Lead Implementer
    PECB
    Senior Lead Implementer
Check out Avetik's education

Certifications

  • CompTIA Security+
    CompTIA
    2024

Skill set

Active Directory
Mac OS
PenTest
Risk and Vulnerability Assessment
Least Privilege Principles

Categories