Infrastructure & Virtualization Excellence
Orchestrated the administration of a high-availability enterprise domain for 800+ users, maintaining a consistent 99.9% uptime for all mission-critical services.

Architected a robust VMware vSphere environment (ESXi/vCenter), managing the full lifecycle of a 50+ node server farm, including resource optimization (CPU/RAM) and seamless migrations.

Spearheaded a massive Physical-to-Virtual (P2V) transformation project, reducing the physical hardware footprint by 60% and significantly lowering power and maintenance costs.

Network Security & Identity Management
Engineered a multi-layered perimeter security framework using Fortinet and Huawei firewalls, implementing complex VLAN segmentation and secure VPN tunnels.

Modernized Active Directory infrastructure and Group Policy (GPO) architectures to enforce strict security protocols and streamline access across multiple organizational wings.

Deployed advanced authentication and network services, including NPS/RADIUS, DHCP Failover, and Microsoft Certificate Authority (CA) for enterprise-wide identity security.

Continuity, Automation & Leadership
Developed a comprehensive Disaster Recovery (DR) framework using Zerto Replication, achieving a Recovery Time Objective (RTO) of less than 4 hours.

Automated infrastructure auditing by engineering an Excel Power Query dashboard that processes 80,000+ rows of event logs, reducing manual reporting labor by 40%.

Cultivated team talent by designing and delivering a 20-day technical curriculum, improving subordinate operational efficiency by 30% in data center and network operations.