Loc Nguyen

Professional Summary

Experienced Network Engineer with 15+ years of expertise in designing, operating, and troubleshooting complex network infrastructures across telecommunications, tolling, and power plants. Strong background in BGP, MPLS, VPNs, QoS, network security, and automation. Hands-on experience with Cisco, Dell, Hirschmann, and Palo Alto technologies. Adept at cross-functional collaboration, vendor coordination, and automating network tasks. Passionate about solving complex network issues requiring multi-team coordination.

Technical Skills

Routing & Switching: BGP, OSPF, EIGRP, VLAN, STP, EtherChannel, HSRP, QoS, Multicast, MPLS
Network Security: Cisco ASA, FTD, Palo Alto, VPN, ACLs, Firewalls
Network Automation: Python
Multi-Vendor Experience: Cisco (IOS, Nexus, ASA, Firepower, FTD, FMC), Dell OS10, Hirschmann, Juniper
Monitoring & Troubleshooting: Wireshark, SNMP, Nagios, NetFlow, Syslog

Professional Experience

Senior Network Engineer | Kapsch TrafficCom | Austin, TX | 2015 – Present

Designed and operated tolling networks for major North American transportation systems.
Configured BGP, MPLS, VPN, QoS, and optimized network performance.
Managed Cisco switches, routers, ASA, FTD, FMC, Palo Alto firewalls.
Automated infrastructure deployment and troubleshooting using Python.
Acted as Tier 3 escalation, collaborating with internal and external teams.

Customer Engineer (Tier 2) | Cisco Systems | Austin, TX | 2015

Monitored global networks (Anheuser-Busch, NetApp, Coca-Cola).
Troubleshot QoS, MPLS, LAN/WAN, SNMP, VoIP across multi-ISP environments.
Recognized by a Cisco VP for resolving a global QoS issue.

NOC Engineer (Tier 2) | AT&T | Austin, TX | 2013 – 2014

Operated, maintained, and upgraded WiFi systems for 500 Hilton hotels nationwide.

IT Team Lead / Network Engineer | Rolls-Royce Marine | Vietnam | 2009 – 2012

Designed and built network infrastructure from scratch.

Network Administrator | BP – PM3 BOT Power | Vietnam | 2006 – 2009

Managed Active Directory, MS Exchange, Cisco PIX, Checkpoint Firewalls.

Senior Network Engineer