Over 20 years of enterprise-level network engineering experience, with deep expertise in LAN troubleshooting, configuration, performance tuning, and real-time monitoring across complex, mission-critical infrastructures. Proficient in deploying and supporting secure Video Teleconferencing (VTC) systems, including system configuration, performance diagnostics, and Tier II/III end-user support. Skilled in configuring and managing Cisco routers and switches to support robust, scalable enterprise networks. Experienced in configuring KG-175 Taclane encryptors, ensuring secure data transmission across classified networks. Advanced troubleshooting of VPN technologies, including CheckPoint, Palo Alto, and Zscaler, supporting secure remote access and interagency connectivity. Skilled in CIDR subnetting and IP address allocation, enabling efficient network segmentation and scalable infrastructure design. Strong analytical and diagnostic capabilities, consistently resolving complex technical issues with speed, accuracy, and minimal disruption. 6+ years of hands-on experience implementing ITIL-aligned service management processes, including Change, Release, Configuration, Incident, and Problem Management—driving operational maturity and continuous improvement.