Senior Routing & Switching Engineer

Job Description

Resources 2

Experience 8+ years

Certification

CCIE mandatory

Primary Focus

Cisco Nexus/Catalyst/ASR/8300, Aruba CX and Juniper switching

Role Summary

Senior network engineer responsible for implementation, migration and troubleshooting of enterprise and data-center routing/switching infrastructure across Cisco, Aruba and Juniper platforms. The role requires strong architecture awareness and hands-on execution during complex network cutovers.

Key Responsibilities / Implementation Scope

Design, configure and implement Layer 2/Layer 3 connectivity across data center, campus, branch, management, DMZ and external routing environments.

Configure and migrate Cisco Nexus switching, including Nexus 9504 core, Nexus 9348 access and Nexus 93180YC platforms used in DMZ/access roles.

Configure and support Cisco Catalyst 8000/9000 platforms, Cisco ASR 1002 and Cisco 8300 series external routers.

Configure and migrate Aruba switching platforms including CX 6200, CX 6300, CX 8320 and related hardware such as JL479A and JL658A.

Support Juniper switching where present, including legacy EX3300 and EX2200 devices identified in the setting.

Implement and troubleshoot BGP, OSPF, static routing, route redistribution, route filtering, VRFs, HSRP/VRRP and policy-based routing as required.

Configure VLANs, trunks, STP/RSTP/MST, Ether Channel/LACP, port-channels, inter-VLAN routing and network segmentation.

Support connectivity integration with firewalls, load balancers, wireless, NAC, voice, cloud and security platforms.

Perform hardware refreshes, network migrations and site/data-center cutovers with pre-checks, rollback procedures and post-change validation.

Conduct packet-level troubleshooting, routing-path analysis,



interface/error analysis and root-cause investigation for complex connectivity incidents.

Prepare implementation plans, MOPs, test scripts, rollback plans, low-level designs and as-built documentation.

Required Technical Skills

Area

Required Hands-on Experience

Cisco Nexus

Nexus 9504, 9348 and 93180YC; NX-OS operations, VLAN/VRF, vPC/port-channel concepts and data-center switching.

Cisco Routing / Switching

Catalyst 8K/9K, ASR 1002, Cisco 8300 series; enterprise LAN/WAN and external routing.

Aruba Switching

Aruba CX 6200/6300/8320 and relevant models such as JL479A/JL658A.

Juniper Switching

Juniper EX3300 and EX2200 operational support and migration exposure.

Routing Protocols

BGP, OSPF, static routing, route redistribution/filtering, VRF, HSRP/VRRP and policy-based routing.

Layer 2 / Segmentation

VLANs, 802.1Q trunking, STP/RSTP/MST, Ether Channel/LACP, port-channel, inter-VLAN routing and segmentation.

Troubleshooting

Packet capture, routing-path analysis, latency/loss analysis, interface errors, convergence and incident RCA.

Certification Requirements

Mandatory: Active CCIE certification is mandatory. CCIE Enterprise Infrastructure is preferred; legacy CCIE Routing & Switching is acceptable where valid/relevant.

Preferred / Advantageous: Additional Cisco data-center, Aruba switching or Juniper certifications are advantageous.

Required Deliverables

Low-level network design and port/VLAN/routing configuration workbook

Implementation runbooks and MOPs

Network migration/cutover and rollback plans

Connectivity and failover test scripts with results

As-built diagrams/configurations and operational handover documentation
Additional Information: SPOC - Aarthi M ()
Mandatory Skills - Under JD
Nice to have skills - Under JD
Clean Room Project - No

📌 Senior Routing & Switching Engineer (India)
🏢 Objectwin Technology India
📍 India