Микола

Nick Cheban
System Administrator
Experienced System Administrator with 10+ years in corporate IT environments and 20+ years in telecom/IT.
Strong hands-on experience with Google Workspace and Entra ID (Azure AD), MDM (Miradore, Intune,
JumpCloud), macOS and Windows administration, VPN and network infrastructure (Mikrotik, Ubiquiti, Cisco).
Implemented SAML and OIDC SSO integrations and managed device enrollment for on-site remote teams.

RELEVANT EXPERIENCE

SYSTEM ADMINISTRATOR
Jewelry retail trade Company Minimal | July 2025 – Current
- Support for remote and on-site employees
- Investigate and resolve software and hardware problems for end users
- Incident troubleshooting and L1/L2 support (avg 15–30 tickets/week)
- Install, setup and administration OS
- Administer corporate Google Work Space (GWS) for ~100 users: account provisioning, groups, security policies and SSO
integrations
- Integrate GWS user accounts as Windows users
CONTACT - Administered OpenVPN Access Server and WireGuard
- Created SAML apps and OIDC integration with GWS.
Phone: [відкрити контакти](див. вище в блоці «контактна інформація») (Viber) - Implemented security policies via Miradore MDM and enforced device compliance.
- Configured routing of incoming/outgoing calls at Binotel
Email: [відкрити контакти](див. вище в блоці «контактна інформація») - Install and configure IP telephony software for a corporate call center
- Install, configure and maintenance barcode printers

LANGUAGES SYSTEM ADMINISTRATOR
Ukrainian – native IT Company Agiliway | October 2020 – June 2025
Russian – native - Support wired and wireless LAN based on Zyxel, Cisco and StarLink (vLan, trunk, load balance)
English – B1 - Support for remote and on-site employees
- Equipment inventory and preparation for issuance
- Install, setup and administration OS (MacOS, Windows)
- Administered Entra ID (former Azure AD) for ~150 users: account provisioning, groups, security policies and SSO
School background integrations
- Implemented MDM (Miradore, Intune, Okta, Jump Cloud) for ~200 endpoints, created device enrollment guides and
Yuriy Fedkovich Chernivtsi State University compliance policies
- Deployed and supported VPN servers (l2tp IPsec, open VPN)
Specialist Degree - Configured site-to-site and remote access tunnels
Graduated March 1997 - Created onboarding/offboarding guides and automated user provisioning with scripts
Field of study “Optical and optoelectronic devices
and systems” SYSTEM ADMINISTRATOR
Diploma work "Photons distribution upon Cyber-club GameOn | July 2018 – September 2020
reflection from a photographic paper substrate"
- Support wired and wireless LAN based on Mikrotik and Ubiquiti
Kyiv National University of Trade and Economics, - Support gaming PCs and consoles (PlayStation4, Xbox360 and XboxOne)
Chernivtsi branch - Create and support a system for accounting game time
- Support video surveillance systems
Bachelor’s degree
Graduated June 2001
SELF-EMPLOYED
Field of study “Marketing and Management”
System Administrator | November 2013 – September 2020
Training for ISO 27001:2013 - Install, configure and support local networks based on Mikrotik, Ubiquiti, Ruckus, etc
Successfully completed program at the System - Install, configure and support Video Surveillance Systems, Access Control Systems, Security Alarm Systems
Management ltd - Deploy, configure, monitor and support blockchain nodes for private crypto-investors on VPS (Hetzner, Contabo)
Graduated April 2021 - Install, configure, monitor and support softPBX Asterisk, GoIP GSM gateways, IP and softphones
Certificate of completion: Overview of
International standard ISO/IEC 27001:2013 BRANCH MANAGER
“Information technology – Security techniques – Betting company "FonBet" | December 2010 – October 2013
Information security management systems – - Manage schedules, organize branch functions, and oversee daily operations of 30 employees
Requirements“ - Slash branch expenditure by negotiating cheaper supply contracts and standardizing procedures
- Increase the profitability of the branch by attracting new customers and creating comfortable conditions
- Onboard new employees and provide initial support that expedited stuff assimilation

Tools & Technologies SELF-EMPLOYED
System Administrator | January 2010 – November 2010
IAM: Google Workspace, Entra ID (Azure AD)
- Install, configure and support local networks based on Mikrotik, D-Link, TP-Link etc
OS: macOS, Windows, Linux
- Install, configure and support Video Surveillance Systems, Access Control Systems, Security Alarm Systems
MDM: Miradore, MS Intune, JumpCloud
VPN: l2tp IPsec, OpenVPN, WireGuard
Network: Mikrotik, Ubiquiti, Cisco, Zyxel BRANCH MANAGER
SSO: SAML, OIDC Betting company "Offside" | September 2008 – December 2009
CMS: WordPress, Joomla!, OpenCart - Manage schedules, organize branch functions, and oversee daily operations of 15 employees
Physical Security: - Slash branch expenditure by negotiating cheaper supply contracts and standardizing procedures
Video Surveillance (Hikvision, Dahua) - Increase the profitability of the branch by attracting new customers and creating comfortable conditions
Access Control - Onboard new employees and provide initial support that expedited stuff assimilation
Security Alarm (Ajax Systems)
BRANCH MANAGER
Optima-telecom JSC | June 2005 – August 2008
- Search for clients, conclusion of contracts, control over the receipt of payments
- Create promo materials
- Control over the implementation of telephony and local area network projects
 DEPUTY DIRECTOR, LEADING SPECIALIST OF COMMUNICATION SYSTEMS
Urco-Telecom Private Enterprise | June 2002 – May 2005
- Search for clients, development of projects, preparation of design estimates, presentations
- Coordinate of the project with the customer
- Assistance in obtaining permits
- Control of work at all stages, coordination of the project and the timing of work with other contractors
- Cooperate with suppliers of equipment and materials

TELECOMMUNICATIONS ENGINEER
Communication (Svjaz’) Private Enterprise | January 2000 – April 2002
- Development of projects, project management until the signing of acts of completed work
- Cooperate with clients to determine their needs and advise them
- Interaction with subcontractors and equipment suppliers

Skills
• Ability to set goals and handle multiple tasks and projects
• Strong time management and organizational skills
• Problem solving
• Network configuration skills (Routers/Switches L2/L3, DHCP, TCP/IP, DNS, VLAN, VPN)
• Good knowledge Adobe Photoshop
• Good knowledge online/offline MS Office 2013-2019, 365
• Knowledge virtualization sistems (Proxmox)
• Knowledge Home Assistant OS (deploy it at own server and manage my smart home)
• Strong knowledge of uninterruptible power systems (generators, invertors, batteries etc.)
• My house is equipped with a generator and a solar power station (5.625 kW) with a 12.5 kW energy storage system
• Driver's license and car available

• NOTE: I don't consider offers involving relocation from Chernivtsi (UA) and shift work