L3 Network Support Engineer

• Provide L3 operational support for enterprise network security platforms in a global, multivendor environment.
• Manage and troubleshoot Check Point and Palo Alto firewall policies, NAT, routing, VPNs (sitetosite and remote access), and SSL inspection.
• Administer and support Infoblox DDI/DDM:
• DNS zones, DHCP scopes, and IPAM lifecycle
• Network discovery, IP reconciliation, and rogue device detection
• IP data cleanup, audits, and ongoing lifecycle management
• Support F5 BIGIP LTM operations, including:
• L3/L4 troubleshooting for application connectivity issues
• SSL certificate management and renewals
• Pool/member monitoring and performance optimization
• Execute change management activities including impact analysis, implementation, validation, and rollback planning.
• Handle incident response, root cause analysis, and problem management following ITIL processes.
• Perform policy reviews, rule opti...

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