Олег

OLEH FOMICHENKO
IT SUPPORT SPECIALIST | JUNIOR SYSTEMS ADMINISTRATOR
Sofia, Bulgaria | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section)

PROFILE
Hands-on IT Support / Systems Administration professional with approximately 5 years of practical experience supporting users
and office infrastructure in a private contact-center environment. Strong in Windows troubleshooting, VPNs, networks,
workstation setup, VoIP/SIP systems, firewalls, remote support and user training. Comfortable explaining technical tasks to non-
technical colleagues and solving problems independently. Based in Sofia and seeking a stable, legal on-site IT Support,
Helpdesk or Junior System Administrator role.
EXPERIENCE
IT Support / Systems Administrator - Internal IT Operations | Private Contact Center
2021 - Present | Office / Remote IT Infrastructure
 Provided day-to-day internal IT support for non-technical employees, resolving Windows, software, hardware, internet, VPN
and workstation issues.
 Installed and reinstalled Windows, configured user workstations, applications, browsers, peripherals and basic security
settings.
 Configured and troubleshot VPN connections, firewalls, Wi-Fi/LAN connectivity, TCP/IP, DNS/DHCP and remote-access
issues.
 Supported SIP/VoIP endpoints and gateway-based telephony infrastructure; diagnosed connectivity, routing and endpoint
configuration problems.
 Maintained Linux-based services and remote servers; worked with Docker and basic network/service monitoring where
needed.
 Created small Python scripts and automation utilities to reduce repetitive technical work and support internal operations.
 Trained colleagues with little technical background to use software, VPNs and workstations safely and correctly; wrote simple
step-by-step instructions.
 Handled urgent incidents independently and coordinated technical fixes across multiple users and locations.
TECHNICAL SKILLS
End-user support: Windows 10/11, software, hardware, Networking: TCP/IP, DNS, DHCP, Wi-Fi/LAN, VPN, basic routing,
peripherals, remote support firewalls
Systems: Linux/Debian, Docker, remote servers, basic
Communications: SIP/VoIP, softphones, gateway troubleshooting
administration
Support practice: Incident troubleshooting, workstation setup, user
Automation: Python scripting, APIs, basic web tooling
onboarding/training
Tools / platforms: MikroTik RouterOS, WireGuard, OpenVPN, Other: Technical documentation, problem isolation, remote
MicroSIP diagnostics

EDUCATION
Master Degree - Micro- and Nano-system Technology, Physical and Biomedical Electronics | 2023
V. N. Karazin Kharkiv National University
Bachelor Degree - Micro- and Nanosystems Engineering | 2022
V. N. Karazin Kharkiv National University
Master Degree - Management | 2026
Donbas State Engineering Academy

LANGUAGES
Ukrainian - native/fluent | Russian - native/fluent | English - working conversational | Bulgarian - beginner