Partha Sarathi

Senior Network Engineer @CARFAX

Centreville, VA, US

Managed Infoblox Grid installations across global data centers.Configured DNS, DHCP, IP addressing, and IPAM within Infoblox.Set up DNS records (A, CNAME, PTR) and DHCP pools in Infoblox.Supported centralized DNS and DHCP administration using Infoblox.Administered a large-scale WAN/LAN network’s IPAM system with SolarWinds IPAM and Infoblox DNS/DHCP servers.Worked extensively with Windows and Infoblox DNS/DHCP servers, covering internal and external grids.Updated DNS host and A records in Infoblox during migration processes.Managed DNS forward and reverse lookup zones using Infoblox Grid Manager.Configured Infoblox for DNS dynamic update authentication.Oversaw replication between Infoblox Grid Master and Member appliances.Zero Trust Network Access (ZTNA) and Network SecurityCentralized management of policies, traffic monitoring, and report generation across multiple devices using NGFWs.Implemented ZTNA for secure application access, utilizing identity-based controls, micro-segmentation, and SASE architectures.Deployed and managed Cisco Meraki Enterprise Cloud Access Points and Wireless Bridges/Repeaters for LAN expansions.Designed and deployed Cisco/Meraki Enterprise Cloud for corporate HQ, co-locations, and 500+ branches with distinct SSIDs.Configured Connectors with Zscaler TAM and DAS teams.Troubleshot firewall rules in Cisco ASA, Checkpoint, and Zscaler.Configured and maintained IPSEC and SSL VPNs on Palo Alto Firewalls, implemented Zone-Based Firewalls, and Security Rules.Replaced Checkpoint VPN and Bluecoat Proxy with Zscaler in production environments.Implemented a Positive Enforcement Model using Palo Alto Networks and worked with Palo Alto Wildfire.