CCNA-certified Network Systems Administrator with extensive hands-on experience in deploying, securing, and maintaining enterprise network infrastructure. Skilled in configuring and troubleshooting Cisco routers, switches, and firewalls, with a strong focus on Layer 2/3 technologies, routing protocols (OSPF, EIGRP, BGP), VLAN segmentation, and VPN connectivity. Adept at identifying bottlenecks, improving network performance, and ensuring high availability through well-documented, secure, and scalable solutions. Proven ability to support mission-critical environments while maintaining a strong commitment to best practices, operational efficiency, and long-term stability.
Advanced Routing & Switching (BGP, OSPF, EIGRP, STP, HSRP)
Firewall Architecture & Rule Optimization (Cisco ASA, Palo Alto, Fortinet)
Network Monitoring & Analysis (SolarWinds, PRTG, Wireshark)
Infrastructure Automation (Ansible, Python, Netmiko/NAPALM)
Layer 2/3 VLAN & IP Schema Design (Subnetting, VTP, PVST, DHCP Scopes)
Enterprise Wireless Engineering (Cisco WLC, Aruba, RADIUS, 8021X)
Virtual Network Infrastructure (VMware NSX, Hyper-V Networking, vSwitching)
Redundancy & High Availability (VRRP, Multihoming, Load Balancers)
Cloud Networking (AWS VPCs, Azure Virtual Network, Site-to-Site VPNs)
Security Hardening & Compliance (NIST, CIS Benchmarks, Zero Trust Design)