Network Engineer - L3

Job Description:

Core Networking (CiscoRouting & Switching, Meraki, Zscaler, and SD-WAN)

• Respond to network incidents and service requests within defined SLAs.
• Perform initial triage and troubleshooting of network-related incidents.
• Troubleshoot network issues related to Cisco Routing & Switching, Zscaler, Meraki, and SD-WAN technologies.
• Analyze network performance metrics and logs to identify and resolve issues.
• Configure and deploy Cisco routers and switches for LAN and WAN connectivity.
• Implement VLANs, trunking, and inter-VLAN routing for network segmentation.
• Deploy and maintain Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) solutions.
• Assist in the deployment and management of SD-WAN and Meraki solutions, including vManage, vBond, and vSmart.
• Assist in the implementation of network changes and updates following change management processes.
• Document all changes made to network configurations and ensure compliance with company policies and procedures.
• Design and implement complex Cisco Routing & Switching configurations, including dynamic routing protocols (OSPF, EIGRP, BGP).
• Optimize network performance and reliability by fine-tuning routing protocols and QoS policies.
• Design and implement advanced Zscaler security policies to protect against evolving threats.
• Lead troubleshooting efforts for complex network issues, including packet captures and analysis.
• Conduct root cause analysis (RCA) for recurring network incidents and implement preventive measures.
• Provide mentorship and guidance to Level 1 support engineers on troubleshooting methodologies.
• Conduct capacity planning assessments to ensure network scalability and performance.
• Design and implement network architecture changes to support business requirements and growth.
• Evaluate new technologies and make recommendations for network upgrades and enhancements.
• Engage with vendors and third-party providers to resolve escalated network issues.
• Manage vendor relationships and coordinate support activities for critical network components.
• Participate in vendor evaluations and product selection processes for network infrastructure.

Mandatory Skills-

• Must have knowledge of Static Routing, EIGRP, OSPF, BGP, VLAN, VTP, Truck, inter VLAN, STP, MSTP, stacks, VSS, VPC, VDC. Experience with inter-company routing is preferred.
• Hands-on working experience on Cisco Switches, 2950, 3750,3850, C9000 series Power Stacking, Data Stacking, HSRP, VRRP & GLBP.
• Expert knowledge of protocols such as HTTP, SMBSMTP, FTP, DNS, TLS/SSL, TCP, etc.
• Advanced knowledge of technologies like VPN, VXLAN, VRRP, HSRP, STP, Port channel, NetFlow, and stacking technologies.
• Knowledge or experience with modern data center fabrics such as Nexus 9K using NDFC (DCNM), Arista VXLAN-BGP-EVPN, or Cisco ACI.

Any Degree

Mandatory Skills-

• Must have knowledge of Static Routing, EIGRP, OSPF, BGP, VLAN, VTP, Truck, inter VLAN, STP, MSTP, stacks, VSS, VPC, VDC. Experience with inter-company routing is preferred.
• Hands-on working experience on Cisco Switches, 2950, 3750,3850, C9000 series Power Stacking, Data Stacking, HSRP, VRRP & GLBP.
• Expert knowledge of protocols such as HTTP, SMBSMTP, FTP, DNS, TLS/SSL, TCP, etc.
• Advanced knowledge of technologies like VPN, VXLAN, VRRP, HSRP, STP, Port channel, NetFlow, and stacking technologies.
• Knowledge or experience with modern data center fabrics such as Nexus 9K using NDFC (DCNM), Arista VXLAN-BGP-EVPN, or Cisco ACI.