Katakam Jahnavi

Network Operations Engineer @The Depository Trust & Clearing Corporation (DTCC)

Tampa, FL, US

Integrated Palo Alto appliances with SIEM tools (Splunk, QRadar) for centralized logging and enhanced threat detection.• Conducted periodic security audits and vulnerability assessments, leading to improved Palo Alto firewall PA-3220, PA-5410, PA-5280 performance and reduced risk exposure.• Collaborated with cross-functional teams to design and implement scalable, high-availability network architectures that leverage Palo Alto security solutions.• Provided Tier-2/Tier-3 troubleshooting support for complex firewall issues, reducing downtime and ensuring business continuity.• Configured and optimized Akamai CDN for improved website performance, caching, and load balancing.• Managed Akamai Edge Servers to enhance content delivery and reduce latency.• Implemented Akamai Adaptive Acceleration to optimize web and mobile performance.• Monitored Akamai CDN logs and analytics to troubleshoot performance bottlenecks.• Deployed and managed Zscaler Internet Access (ZIA) for secure web traffic filtering and inspection.• Configured Zscaler Private Access (ZPA) for secure remote access using a zero-trust architecture.• Integrated Zscaler Zero Trust Exchange to enable secure user-to-application and application-to-application communication.• Deployed and managed Cisco Umbrella for cloud-based DNS security, web filtering, and threat protection.• Configured DNS-layer security policies to block malicious domains and prevent phishing attacks.• Implemented Umbrella Secure Internet Gateway (SIG) to enforce security policies across remote and on-prem users.