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Yurii
Network, System Administrator
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Romania, Bucharest
Yurii Tserkvonyi [open contact info ](look above in the "contact info" section)
System and Network [open contact info ](look above in the "contact info" section)
Administrator
System and Network
Professional Experience Administrator experience
designing, securing, and
Network Technician supporting enterprise IT
Frontier Internet, Dallas, Texas December 2024 - May 2025 infrastructures. Skilled in
Cisco, Fortinet, MikroTik,
Installation, configuration, and troubleshooting of fiber-optic internet
connections for residential customers. and Aruba networks, as well
as Windows Server, Active
Directory, and virtualization
Senior SystemsAdministrator technologies. Strong
A&D Mortgage LLC, Miami, Florida January 2024 - July 2024
background in VPN/IPSec,
Administered and secured enterprise network infrastructure using VLAN, and routing (OSPF,
MikroTik, Cisco, and Fortinet devices. Configured firewalls, VPNs BGP) configuration.
(IPSec, OpenVPN), VLANs, and routing protocols (OSPF, BGP).
Managed Active Directory, GPOs.
Key Skills
Network Administrator
G5 Games, Timisoara, Romania June 2022 - December 2023
Cisco / Meraki / Nexus
Designed and implemented secure network infrastructures using
Fortigate, Cisco, MikroTik, and Aruba technologies. Managed VLANs,
Wi-Fi systems, and VPN/IPSec solutions to ensure optimal Next-Generation Firewall
performance and data protection.
Linux / Bash / Basic Python
Senior Systems Administrator
CEMARK, Odessa, Ukraine November 2019 - May 2021
Administered Cisco network infrastructure across multiple sites (150+ Windows Servers / Active
devices) and implemented Fortigate NGFW and Cisco Meraki Directory
solutions. Managed Windows Server 2019 services (DHCP, DNS, AD,
RDP) and conducted vulnerability assessments with Qualys.
Vmware ESXI / Hyper-V
Systems Administrator
Wilmar International, Odesa, Ukraine June 2018 - August 2019
AWS (EC2, S3, Route53)
Administered computer networks using D-Link, MikroTik, and Aruba
equipment. Managed Active Directory, DNS, DHCP, RADIUS, and
RDP services. MS Exchange Server 2016.
EIGRP / OSPF / BGP
Yurii Tserkvonyi [
System and Network [
Administrator
System and Network
Professional Experience Administrator experience
designing, securing, and
Network Technician supporting enterprise IT
Frontier Internet, Dallas, Texas December 2024 - May 2025 infrastructures. Skilled in
Cisco, Fortinet, MikroTik,
Installation, configuration, and troubleshooting of fiber-optic internet
connections for residential customers. and Aruba networks, as well
as Windows Server, Active
Directory, and virtualization
Senior SystemsAdministrator technologies. Strong
A&D Mortgage LLC, Miami, Florida January 2024 - July 2024
background in VPN/IPSec,
Administered and secured enterprise network infrastructure using VLAN, and routing (OSPF,
MikroTik, Cisco, and Fortinet devices. Configured firewalls, VPNs BGP) configuration.
(IPSec, OpenVPN), VLANs, and routing protocols (OSPF, BGP).
Managed Active Directory, GPOs.
Key Skills
Network Administrator
G5 Games, Timisoara, Romania June 2022 - December 2023
Cisco / Meraki / Nexus
Designed and implemented secure network infrastructures using
Fortigate, Cisco, MikroTik, and Aruba technologies. Managed VLANs,
Wi-Fi systems, and VPN/IPSec solutions to ensure optimal Next-Generation Firewall
performance and data protection.
Linux / Bash / Basic Python
Senior Systems Administrator
CEMARK, Odessa, Ukraine November 2019 - May 2021
Administered Cisco network infrastructure across multiple sites (150+ Windows Servers / Active
devices) and implemented Fortigate NGFW and Cisco Meraki Directory
solutions. Managed Windows Server 2019 services (DHCP, DNS, AD,
RDP) and conducted vulnerability assessments with Qualys.
Vmware ESXI / Hyper-V
Systems Administrator
Wilmar International, Odesa, Ukraine June 2018 - August 2019
AWS (EC2, S3, Route53)
Administered computer networks using D-Link, MikroTik, and Aruba
equipment. Managed Active Directory, DNS, DHCP, RADIUS, and
RDP services. MS Exchange Server 2016.
EIGRP / OSPF / BGP
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The candidate's resume is posted at https://www.work.ua/resumes/16052932/