Network Data Administration Professional

Network Security Reliability Engineer ( NRE ) - Level 3 Key Responsibilities Network & Security Infrastructure Management Install, configure, and maintain multi-vendor network and security devices across data centers, cloud environments, and remote sites. Perform advanced troubleshooting and root-cause analysis for complex network and security issues. Implement secure network architecture, segmentation, and access control best practices. Conduct regular security posture assessments and recommend improvements. Maintain high availability, redundancy, and resilience across all network and security platforms. Vendor-Specific Responsibilities Cisco Configure and manage Cisco routers, switches, WLC, ISE, ACI solutions. Troubleshoot routing protocols (BGP, OSPF, EIGRP) and Layer 2 technologies. Security Haredning and vulnerability assessment remediations. Manage Cisco ISE policies and NAC enforcement. Vendor technical support escalations as needed. ACI infrastructure Management ISE NAC , profiling and posture management. Arista Deploy and manage Arista switches in data center. Configure EOS, VXLAN/EVPN fabrics, and advanced automation features. Security Haredning and vulnerability assessment remediations. Diagnose connectivity, performance, and fabric-related issues. Vendor technical support escalations as needed. Fortinet Install and configure FortiGate firewalls, VPNs, IPS and security profiles. Manage FortiAnalyzer/FortiManager for centralized policy and log management. Troubleshoot Firewall, IPS, and application control issues. Vendor technical support escalations as needed. Security Haredning and vulnerability assessment remediations. SDWAN management F5 Configure and manage F5 BIG-IP LTM, ASM, APM modules. Develop and troubleshoot iRules/iApps. Security Haredning and vulnerability assessment remediations. Perform load balancing, traffic management, and WAF policy tuning. Vendor technical support escalations as needed. Infoblox Administer Infoblox DDI (DNS, DHCP, IPAM). Ensure high availability, DNS security (DNSSEC), and IP address management accuracy. Troubleshoot DNS/DHCP issues and integrate with other security platforms. Security Haredning and vulnerability assessment remediations. Vendor technical support escalations as needed. Skyhigh (McAfee/Skyhigh Security) Manage security gateways. Proxy traffic monitoring/study/optimization. Monitor and optimize proxy security posture. Troubleshoot secure web gateway issues. Vendor technical support escalations as needed. Ivanti Deploy and maintain Ivanti Secure connect solutions. Configure security policies, and compliance reporting.