Pravalika Chittari

Experience

1. Sr Network Security Engineer

   Cisco

   Feb 2025 — Present · San Jose, CA, US

   Network Security Engineer with 6+ years of experience in designing, deploying, and managing enterprise-scale data center and cloud networking environments. Skilled in working with next-generation firewalls including Palo Alto Networks and Fortinet, with hands-on experience in firewall migrations, security policy optimization, VPNs, and threat prevention.•Strong expertise in data center technologies, including Cisco Nexus (5K/7K/9K), spine-leaf architectures, and Cisco ACI, along with advanced routing protocols (BGP, OSPF, EIGRP). Experienced in troubleshooting complex Layer 2/Layer 3 issues and ensuring high availability and performance across large-scale networks.•Proven track record in implementing and managing application delivery solutions using F5 BIG-IP (LTM/GTM), including global load balancing, iRules, and high-availability architectures. Adept at migrating physical infrastructure to virtual and cloud environments with zero downtime.•Experienced in hybrid cloud networking across AWS, Azure, and GCP, including VPC design, load balancing, Direct Connect, and Transit Gateway. Skilled in automation using Terraform, Ansible, and Python, with strong focus on CI/CD, monitoring (Grafana, ELK), and proactive issue detection.•Known for delivering scalable, secure, and high-performance network solutions, with a strong focus on reliability, automation, and continuous improvement.