Senior Routing & Switching Engineer

Job Description

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 workplace.

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, EtherChannel/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

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