L2 Network Engineer Cisco Aruba LAN WAN WLAN SD WAN

Job Search; Mumbai; On-site; INR 900,000 - 1,300,000; Full time

Job summary

Job Search in Mumbai seeks an experienced L2 Network Engineer to own and troubleshoot enterprise LAN, WAN, WLAN and SD-WAN environments with Cisco and Aruba technologies.

The candidate should have hands-on experience with Layer 2/3 switching, routing protocols, wireless infra, and security access controls, and be prepared for shift-based maintenance and RCA reporting.

Qualifications

• 35 years of relevant experience in Enterprise Network Operations / Network Support.
• Strong hands-on experience with Cisco and Aruba networking products.
• Experience supporting enterprise LAN, WAN, WLAN and SD-WAN environments.

Responsibilities

• Configure, manage and troubleshoot Cisco & Aruba Layer 2/Layer 3 switches.
• Handle VLAN, Trunking, STP/RSTP/MSTP, LACP, Port-Channel, Stacking, VSF and VSX.
• Configure and troubleshoot Static Routing, OSPF and BGP.
• Install, configure and troubleshoot Aruba Access Points and Mobility Controllers/Gateways.
• Manage enterprise WLAN, SSID, RF, roaming, channel planning and wireless performance.
• Configure and support Aruba SD-WAN, WAN policies, tunnels, routing and branch connectivity.
• Manage and troubleshoot Aruba ClearPass (CPPM).
• Support 802.1X, MAC Authentication, RADIUS, TACACS+, AAA and role-based access policies.
• Monitor network availability, bandwidth utilization, interfaces and overall performance.
• Troubleshoot LAN/WAN/WLAN/SD-WAN, routing, switching and authentication issues.
• Perform firmware upgrades, configuration backup/restore, device replacement and preventive maintenance.
• Coordinate with OEM TAC, ISP, customers and field engineers.
• Handle L1 escalations, meet defined SLA and perform RCA for recurring incidents.
• Maintain network diagrams, device inventory, configurations, SOPs and technical documentation.
• Participate in network implementation, migration, upgrade and maintenance activities.

Job description

Role & responsibilities

Job Summary

We are looking for an experienced L2 Network Engineer with strong hands‑on experience in Cisco and Aruba networking to manage and troubleshoot enterprise LAN, WAN, WLAN and SD-WAN environments.

Key Responsibilities

• Configure, manage and troubleshoot Cisco & Aruba Layer 2/Layer 3 switches.
• Handle VLAN, Trunking, STP/RSTP/MSTP, LACP, Port-Channel, Stacking, VSF and VSX.
• Configure and troubleshoot Static Routing, OSPF and BGP.
• Install, configure and troubleshoot Aruba Access Points and Mobility Controllers/Gateways.
• Manage enterprise WLAN, SSID, RF, roaming, channel planning and wireless performance.
• Configure and support Aruba SD-WAN, WAN policies, tunnels, routing and branch connectivity.
• Manage and troubleshoot Aruba ClearPass (CPPM).
• Support 802.1X, MAC Authentication, RADIUS, TACACS+, AAA and role‑based access policies.
• Monitor network availability, bandwidth utilization, interfaces and overall performance.
• Troubleshoot LAN/WAN/WLAN/SD-WAN, routing, switching and authentication issues.
• Perform firmware upgrades, configuration backup/restore, device replacement and preventive maintenance.
• Coordinate with OEM TAC, ISP, customers and field engineers for issue resolution.
• Handle L1 escalations, meet defined SLA and perform RCA for recurring incidents.
• Maintain network diagrams, device inventory, configurations, SOPs and technical documentation.
• Participate in network implementation, migration, upgrade and maintenance activities.

Provide shift and emergency support whenever required

Preferred candidate profile

Required Technical Skills

Networking: Cisco, Aruba, LAN, WAN, WLAN, SD-WAN, Layer 2/Layer 3 Switching

Routing & Switching: VLAN, Trunking, STP, RSTP, MSTP, LACP, Port-Channel, VSF, VSX, OSPF, BGP, Static Routing

Wireless: Aruba AP, Aruba Mobility Controller/Gateway, SSID, RF, Roaming, Channel Planning

Security & Authentication: Aruba ClearPass, CPPM, 802.1X, MAC Authentication, RADIUS, TACACS+, AAA

Networking Protocols: TCP/IP, DHCP, DNS, NAT, SNMP, NTP, Syslog

Operations: Network Monitoring, Troubleshooting, RCA, Incident Management, Configuration Backup, Firmware Upgrade

Candidate Profile

• 35 years of relevant experience in Enterprise Network Operations / Network Support.
• Strong hands‑on experience with Cisco and Aruba networking products.
• Experience supporting enterprise LAN, WAN, WLAN and SD-WAN environments.
• Graduate/Diploma in IT, Computer Science, Electronics or related discipline. Candidates with relevant networking experience may also be considered.
• Good communication, analytical, troubleshooting and documentation skills.
• Willing to work in shifts and planned maintenance activities.

Keywords

L2 Network Engineer, Network Engineer, Cisco Network Engineer, Aruba Network Engineer, Cisco Switching, Aruba Switching, Layer 2, Layer 3, LAN, WAN, WLAN, SD-WAN, Aruba ClearPass, CPPM, Aruba Access Point, Aruba Mobility Controller, OSPF, BGP, VLAN, STP, RSTP, MSTP, LACP, VSF, VSX, 802.1X, RADIUS, TACACS+, Network Troubleshooting, Enterprise Networking, Network Operations.