Chris Georgolios
Toronto, Ontario, Canada
Profile
Experienced Infrastructure Engineer with 20 years of hands-on expertise designing, building, and managing secure, high-performance IT systems across on-prem, hybrid, and cloud environments. Certified in VCP5, CCNA, and AZ-104, with a strong foundation in Windows Server and RedHat Linux administration, VMware, Azure, and SAN storage. Skilled in infrastructure automation using PowerShell, Terraform, and Ansible, with a track record of leading complex projects, mentoring junior engineers, and resolving critical incidents with speed and precision.
- Windows Server (2000-2025), VMware vCenter/ESXi/vSphere, Hyper-V, Azure AD, RHEL, Active Directory (on-prem + cloud)
- PowerShell, Bash, Terraform, Ansible, GitHub, Azure DevOps, scripted provisioning
- Project Lead on infrastructure refreshes, Exchange Online/O365 migrations, Jira/ITSM implementation, Agile SCRUM workflows, spring ownership and team mentoring
- Network and Security experience with Fortinet, SonicWall, Cisco, Load Balancers, Wi-Fi deployment
- Monitoring and critical incident response using PRTG, FortiSIEM, FortiEDR, ESET/Datto AV; Triage and root cause analysis
- Backup and Storage technologies such as Dell/Compellent SANs, HPE MSA, NetApp, Synology, Veeam, QUEST
Experience
Senior Infrastructure Cybersecurity Engineer
- Manage end-to-end infrastructure operations and support for multiple mid-sized to large enterprise clients, delivering both strategic oversight and hands-on expertise across Windows Server, SAN storage, virtualization, MSSQL databases, hybrid identity environments, and third-party API’s.
- Design, implement, and maintain scalable infrastructure environments, spanning on-prem Windows Server (2019/2022/2025), VMware vSphere clusters and Hyper-V, HPE ProLiant and Dell servers, HPE/Dell SAN storage, and cloud-hosted services (Azure/Exchange Online 365).
- Administer on-premises Active Directory and Azure AD environments with a focus on performance tuning, Group Policy, AD security hardening, and PowerShell script automations.
- Develop and maintain PowerShell scripts to streamline provisioning, enforce security baselines, and eliminate repetitive tasks across AD and M365 tenants.
- Oversee all backup strategies at the OS/VM level utilizing Veeam, COVE, Quest backups and SAN level backup snapshots, clones, replication, for comprehensive disaster recovery.
- Configured and managed multi-site network infrastructure, including firewall operations and security, Site-to-Site VPN, Remote Access with MFA, Switches and Load Balancers and Wi-Fi APs ensuring high availability and secure connectivity.
- Deploy and support robust monitoring and security alerting systems (PRTG, FortiSIEM, FortiEDR, ESET/Datto AV) for proactive incident response and system health visibility.
- Drive infrastructure-as-code (IaC) using GitHub, Azure DevOps (ADO), Terraform, and Ansible to standardize and track deployments.
- Spearheaded infrastructure refresh projects from planning to production while providing on-call senior level support for critical incidents across multiple data centers in different locations.
Senior Systems Administrator and IT Project Manager
- Managed all IT infrastructure and Microsoft Azure operations, incident/change management, capacity planning, and service requests, help desk escalation point.
- Managed full lifecycle of on-prem and cloud systems – deploying, monitoring, maintaining, and upgrading vSphere/vRealize environments, Windows/Linux servers, Dell hardware, PCs/laptops, and SonicWall/FortiGate firewalls.
- Assessed and mitigated security risks by conducting vulnerability reviews, preparing executive-level reports, and leading infrastructure planning, budgeting, and strategic initiatives.
NOC Analyst
- Maintained and configured Cisco/Juniper network gear, firewalls, and VMware vSphere environments while analyzing DDoS attacks (Arbor Peakflow) and using Wireshark for deep-dive network troubleshooting.
Business Critical Enterprise Support
- Provided Level 3 enterprise support for VMware vSphere to Fortune 500 clients, resolving critical issues and delivering deep-dive technical presentations at VMware User Conferences across North America.
Education
Internet Communications Technology
Certifications
- VMware Certified Professional 5 (VCP5)
- Cisco Certified Network Associate (200-301)
- Microsoft Azure Administrator Associate (AZ-104)