L3 Network Support Engineer
T
Tata Consultancy Services
📍 Hyderabad, Telangana, India
Job Description
- 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...