Sumit Ranjan

Certified PCNSE and CCNA-trained network security engineer with extensive hands-on expertise in Palo Alto firewalls, including configuration, policy management, NAT, and troubleshooting via PAN-OS. Skilled in resolving complex security issues with ~80% success and maintaining high first-call resolution rates. Proficient in enterprise routing, L1/L2 troubleshooting, and core networking protocols. Experienced in managing Prisma Access cloud security, GlobalProtect VPNs with advanced features, and deploying secure remote networks. Adept at incident response, threat mitigation, and collaborating cross-functionally to enhance security posture through Panorama and advanced threat prevention tools.