Syed Nadeem Uddin

Sr Network Security Specialist at Gwinnett County Government (Verton Solutions Contractor) @Gwinnett County Government

Gwinnett County, GA, US

Configure, upgrade, and patch firewalls to ensure they’re on supported versions.• Apply security hotfixes and ensure minimal downtime during patching.• Optimize and fine-tune firewall policies, NAT rules, and security profiles.• Monitor firewall performance, HA clusters, and failover readiness.• Create, maintain, and troubleshoot IPsec VPN tunnels (site-to-site, B2B, and remote access).• Ensure VPN encryption standards meet CIS benchmarks.• Troubleshoot latency, packet drops, or encryption mismatches.• Regularly audit firewall configurations against CIS benchmarks.• Harden network security devices (disable weak protocols, enforce MFA, remove unused services).• Maintain documentation for compliance and internal/external audits.• Review logs and alerts from Palo Alto Panorama, Cisco FMC, or SIEM tools.• Investigate unusual traffic flows or access attempts.• Ensure redundancy, HA, and secure connectivity between data centers.• Validate security for new deployments (servers, applications, cloud links).• Plan and execute firewall upgrades/patching during maintenance windows.• Validate after-change stability (failover tests, traffic validation).• Follow ITIL/change management processes with rollback plans.• Act as escalation point for L2/L3 network/security incidents.• Diagnose packet drops, routing/security overlaps, and NAT issues.• Work with vendors (Cisco TAC, Palo Alto support) for advanced troubleshooting.• Maintain updated diagrams of firewall/VPN architecture.• Document changes, compliance checks, and incident responses.• Provide weekly/monthly reports on firewall health, patching status, and compliance

Jawaharlal Nehru Technological University

Bachelor of Technology (B.Tech.), Information Technology

Osmania University

Associate's Degree, Mathematics and Computer Science