Mykola Y.

- 12+ years operating enterprise infrastructure, network, cloud, and security systems. - Strong production ownership mindset: reliability, monitoring, documentation, secure access, and incident response. - Designed infrastructure supporting 3000+ IoT devices across distributed locations. - Managed virtualization environments with 100+ virtual machines across Proxmox / VMware / Hyper-V-style platforms. - Built monitoring with Zabbix / Prometheus / Grafana / PRTG, improving visibility across 1000+ nodes and reducing incident response time. - Strong firewall, VPN, segmentation, DNS, routing, and secure connectivity background. - Hands-on with Azure networking, OCI, hybrid cloud, Active Directory, Windows Server, Linux, Docker, and reverse proxies. - Security-focused operator with experience in audits, hardening, access control, disaster recovery, and Fortinet security technologies. - Comfortable with evidence-based change control, production readiness checks, and saying “not ready” when required evidence is missing. - Strong written documentation and knowledge-base development experience.