Network and Firewall Administrator Careernet

7.0 - 10.0 years

12 - 15 Lacs

Bengaluru

Work from Office

Key Skills: Network Administration, Meraki, Firewall, Cisco ISE. Roles and Responsibilities: Network Implementation & Administration Configure and implement Cisco routing and switching technologies (ASR, ISR, CAT, Nexus). Manage and maintain LAN, VLAN, VTP, STP, Port Channels, uplinks, and switches. Perform protocol configuration including OSPF, BGP, HSRP, and VRRP. Support SD-WAN implementations using technologies such as Viptela, Riverbed, CloudGenix, Meraki, FortiGate, and Aruba. Configure and manage Zscaler Proxy and Zscaler Private Access. Conduct new network installations, device migrations, and replacements in coordination with FT and TAC. Firewall & Security Operations Configure FortiGate firewalls (Zones, ACLs, NAT, VPNs - IPSEC/SSL/DMVPN, HA, Cluster, Context). Support and maintain firewall policies and remote access platforms. Ensure adherence to documented security policies and processes. Perform ongoing administration and patching of network security platforms. Plan and execute platform/software upgrades and support integration with SIEM tools. Load Balancing & Wireless Configure and manage F5 LTM load balancers including IRules, SSL offloading, context, VIPs, and persistency. Renew and upgrade client and SSL certificates. Administer Cisco Meraki wireless networks - access points, controllers, SSIDs, bandwidth management. Cloud & Optimization Configure and support network elements in public cloud (Azure, AWS - basic knowledge). Manage WAN optimizers, proxies, and Akamai CDN & WAF. Monitoring & Support Perform network performance monitoring, predictive analytics, and root cause analysis. Provide proactive support to limit outages and optimize network performance. Handle incident identification, alert correlation, resolution, and service management (incident/change/problem). Maintain SOPs, technical and service overview documents up to date. Additional Responsibilities Collaborate with third parties for planned/unplanned outages. Recommend improvements to network segmentation and management approaches. Coordinate with platform vendors for Level-4 support as needed. Experience Requirement: 7-10 years of experience in network operations, firewall administration, and network security in enterprise environments. Hands-on expertise with Cisco routing/switching, Zscaler, F5 LTM, SD-WAN solutions, and FortiGate firewall administration. Experience with VPNs (IPSec, SSL), Wireshark or packet capture tools, and troubleshooting network/security issues. Working knowledge of public cloud (AWS, Azure) network setups. Experience with Akamai CDN, WAF, and integration with SIEM solutions is an added advantage. Proven capability to manage incidents, implement changes, and document procedures and configurations accurately. Education: Any Graduation.

Posted 1 month ago

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