Bharath Raj
Senior Network Engineer || Network Operations engineer || Network Security Engineer | Cisco, Palo Alto, SD-WAN, AWS, F5 Engineer, Cisco Engineer || 9+ Years in Enterprise Network Infrastructure
- Role
- Senior Network Engineer at United Airlines
- Location
- Houston, TX, US
- LinkedIn followers
- 500 followers
About Bharath Raj
Senior Network & Network Security Engineer 9+ years of experience designing…
Experience
Senior Network Engineer
Apr 2024 — Present · Los Angeles, CA, US
Designed and implemented enterprise network infrastructure using Cisco Nexus 9K, 7K, and Catalyst switches.Led migration from legacy Cisco ISR to Viptela SD-WAN, enabling multi-tenant segmentation and network automation.Configured and supported firewalls including Palo Alto (160+), Fortinet, and Checkpoint with centralized management using Panorama and FireMon.In addition to enterprise firewall administration, I’ve designed and managed third-party VPN connectivity using Checkpoint firewalls (R80+) to securely integrate external vendor and partner environments. I supported firewall upgrades, policy optimization, and version migrations, ensuring stability and compliance across large, distributed networks. I regularly acted as a liaison between internal network/security teams and external vendors, leading configuration reviews, troubleshooting sessions, and validation calls. Comfortable working during after-hours maintenance windows, I executed connectivity changes and upgrades with minimal disruption. I also documented connectivity specifications, network diagrams, and handoff procedures to streamline transitions to managed service providers and future support teams.Deployed Cisco ISE for 802.1X authentication, SGT, and policy enforcement across wired and wireless networks.Implemented eBGP for cloud and ISP connectivity; managed route filtering and traffic engineering.Managed Cisco ACI deployments with L2/L3 out, integrating with VMware NSX and BGP-EVPN overlays.Installed and maintained VMware infrastructure: vCenter, ESXi, NSX for multi-zone networks.Monitored and optimized network health using Cisco ThousandEyes, SolarWinds NPM, and syslog.Integrated Zscaler and Bluecoat proxies to enforce cloud-based security for branch offices.Provided technical training on Cisco DNA, ISE, ACI, and security best practices.
Education
Campbellsville University
Master's degree
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