Eshwar Chandra Kothari

Senior Network Engineer @Valumsg Consulting

Joliet, IL, US

Optimized global routing using BGP, OSPF, and EIGRP protocols, improving network resiliency and performance across international branches.• Enhanced network security through NGFW deployment, VLAN segmentation, and 802.1X-based NAC, significantly reducing the attack surface and improving compliance.• Managed cloud networking in AWS and Azure, implementing VPN tunnels, VPC peering, and hybrid connectivity to support seamless integration across platforms.• Automated network provisioning with Python and Ansible, cutting deployment time and reducing configuration errors across environments.• Designed, implemented, and troubleshot enterprise network security solutions using HPE Aruba ClearPass, Palo Alto NGFW, and Fortinet firewall platforms, ensuring high availability and compliance with security standards.• Led Zero Trust security architecture deployment, integrating Zscaler ZIA, ZPA, and ZDX to strengthen remote access security and reduce attack surface.• Configured and optimized Skybox Security for vulnerability management and firewall policy analysis, enabling proactive risk mitigation across multi-vendor environments.• Led the design and implementation of a multi-site SD-WAN infrastructure, reducing latency by 40% and ensuring 99.99% uptime for critical enterprise applications.