Senior Security Analyst

Roles & Responsibilities: Administer and manage centralized firewall infrastructure using Palo Alto Panorama, including device groups, templates, security policies, and configuration deployments. Perform advanced troubleshooting of network connectivity, packet drops, asymmetric routing, application access, NAT, VPN, and firewall performance issues. Analyze traffic, threat, URL, system, configuration, and GlobalProtect logs to identify security issues and perform root-cause analysis. Plan and execute PAN-OS upgrades, security content updates, firewall configuration changes, migrations, and scheduled maintenance activities. Collaborate with network, SOC, infrastructure, application, cloud, and security teams to resolve major incidents and complex service-related issues. Handle L3 escalations from L1/L2 support teams and drive technical issues through resolution. Conduct problem management and root-cause analysis to prevent recurring incidents. Ensure compliance with ITIL-based change management processes and maintain accurate records in ServiceNow. Prepare technical documentation, operational procedures, and knowledge transfer materials.