Contact information

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You can get this candidate's contact information from https://www.work.ua/resumes/4142318/

Education

Ukrainian Engineering-Pedagogical Academy

Technological, Харків
Higher, from 2008 to 2012 (4 years)

Knowledge and skills

• Proxmox VE
• Адміністрування Windows Server
• Virtualization

Language proficiencies

• English — above average
• Ukrainian — fluent

Additional information

Pavlo Korolov — System Administrator / Junior DevOps

Kharkiv, Ukraine | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section)

LinkedIn: [open contact info](look above in the "contact info" section)


TECH STACK

Proxmox VE (cluster, HA), CEPH • pfSense (VPN, VLAN, firewall rules)

3CX (PBX admin, CFD call flows, routing, monitoring)

Hetzner Cloud (deployments, migrations) • Windows Server 2012–2019 (AD, GPO, DNS/DHCP)

Ubuntu Linux • Google Workspace • Microsoft 365 (Teams, licenses)

Greyhound CRM • Asana workflows • Hikvision CCTV • Kentix access control


EXPERIENCE

GIPANIS GmbH / Laublust — IT Systems Administrator (Remote, Germany)

Jul 2022 – Dec 2025

- Operated Proxmox cluster (VM lifecycle, backups, maintenance windows); added CEPH storage for shared/replicated VM storage and HA.

- Migration to Hetzner Cloud: prepared inventory and cutover plan, moved services/VMs, validated performance and connectivity (approx. +30% faster response; uptime target 99.9%).

- pfSense: site/remote VPN, VLAN segmentation, firewall policies for multiple locations and remote users.

- 3CX: PBX administration, trunk/SIP endpoints, monitoring; built/updated CFD call flows (multi-level IVR, routing, fallbacks).

- Google Workspace administration (accounts, policies, spam filtering); Microsoft 365 support (Teams onboarding, license tracking).

- Asana-based onboarding/offboarding: checklists, access requests, task templates; reduced onboarding time (approx. -70%).

- Admin for Greyhound CRM backend and integrations (access, stability, coordination with dev/management).

- Security systems: Hikvision (NVR/cameras) and Kentix (users, permissions, access rules).

- Supported a small remote photo studio: workstations, network access, remote troubleshooting.


2GIS Kharkiv — System Administrator

Aug 2017 – Feb 2022

- Supported IT for 4 offices (Kharkiv, Kyiv, Dnipro, Kremenchuk), 120+ workstations; handled onsite/remote support and branch visits.

- Windows Server operations: AD, GPO, DNS, DHCP; user/workstation management and policy rollout.

- Deployed and maintained a FreePBX-based VoIP call center (inbound/outbound).

- Built inter-office connectivity with Mikrotik + OpenVPN (site-to-site and remote access).


EDUCATION

Ukrainian Engineering-Pedagogical Academy — Bachelor’s Degree, 2012


CERTIFICATION

Cisco IT Essentials: PC Hardware and Software


LANGUAGES

English — B2/C1 • Ukrainian — Native • Russian — Fluent