Harshitha K
- Role
- Senior Network Security Engineer at Cisco
- Location
- Raleigh, NC, US
- LinkedIn followers
- 500 followers
About Harshitha K
Summary Network and Security Engineer around 8 years of experience in design…
Experience
Senior Network Security Engineer
Aug 2023 — Present · Raleigh, NC, US
Owned the design and rollout of multi-pod and multi-site VXLAN EVPN data center fabrics using Cisco Nexus and Arista EOS, enabling scalable L2/L3 segmentation and resilient east–west traffic flows for Tier-1 banking applications.• Led the migration of legacy VLAN-based environments to VXLAN overlays, reducing broadcast domains, improving convergence times, and increasing overall network stability.• Served as lead engineer for enterprise firewall modernization initiatives, migrating legacy Cisco ASA and other firewall platforms to Palo Alto NGFW using Expedition and phased cutover strategies under strict change-control windows with zero unplanned downtime.• Designed, deployed, and operated Palo Alto NGFW infrastructure series) with Panorama-based centralized management, supporting SSL decryption, Threat Prevention, and segmentation strategies aligned with Zero Trust principles.• Engineered and supported IPsec and GRE VPN solutions across Palo Alto, Cisco ASA, and hybrid cloud environments to enable secure inter-site and cloud connectivity.• Owned Azure networking design and implementation, including VNets, NSGs, UDRs, vWAN hubs, ExpressRoute connectivity, and secure hybrid cloud architectures integrating on-prem and cloud workloads.• Integrated Arista CloudVision (CVP) to enable centralized automation, telemetry, image management, and controlled change workflows across data center switching environments.• Drove network automation and validation initiatives using Python, Ansible, and Robot Framework to enforce configuration standards, validate changes, and reduce deployment risk in regulated environments.• Supported Cisco ACI environments, configuring tenants, VRFs, EPGs, contracts, and inter-pod routing while collaborating on data center integration efforts.• Managed F5 BIG-IP LTM/APM platforms for application delivery, SSL offload, traffic steering, and high availability for critical internal and external applications.
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