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# Senior Network Engineer - Cisco Infrastructure & Data Center Migration

- **Company:** Vector Resources, Inc.
- **Location:** Hoboken, NJ, United States
- **Experience:** Expert
- **Salary:** $125,000.0
- **Contract:** Permanent contract
- **Skills:** Catalyst (Software), Computer Networks, Data Centers, Networking Hardware, Network Layer, Network Connections, Cisco Nexus Switches, Data Center Networking, Cisco Switches, Cisco
- **Published:** May 27, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=85b98553b45a0380

## About the Role

Do you have experience in System deployment?, We are seeking a highly skilled Senior Network Engineer to support a large-scale enterprise network modernization and data center migration initiative. This role will focus on Cisco Catalyst 9300 deployments, Cisco Nexus 5K decommissioning, network cutovers, and Cisco ACI-integrated infrastructure migrations within a production environment.

The ideal candidate is a hands-on engineer with deep experience in Cisco enterprise networking, switch migrations, maintenance-window implementations, and data center operations., * 5+ years of hands-on network engineering experience

 * Strong expertise with:
 + Cisco Catalyst 9300 (CAT9K) switches
 + Cisco Nexus 5K platforms
 + Cisco IOS-XE
 + Cisco ACI environments
 * Experience with:
 + Enterprise switch refresh projects
 + Network migrations and cutovers
 + Data center networking
 + Configuration migration and deployment
 + Maintenance-window implementations
 * Strong understanding of Layer 2 and Layer 3 networking concepts
 * Experience working within structured change management processes
 * Ability to work onsite and support after-hours maintenance activities when required, * CCNP or CCIE certification
 * Experience with Cisco FEX environments
 * Previous enterprise data center migration experience
 * Experience supporting high-availability production networks

## Description

* Upgrade Cisco Catalyst 9300 switches to Cisco-recommended IOS-XE releases
 * Apply standardized C9300 base configurations and templates
 * Migrate existing port configurations from legacy switches to new Catalyst 9300 hardware
 * Perform onsite switch replacements and execute maintenance-window cutovers
 * Support migration of network connections from Cisco Nexus 5K environments to new Catalyst 9300 infrastructure
 * Assist with staging, validation, and deployment of network hardware
 * Coordinate and execute network migration activities tied to approved Change Requests (CRs)
 * Support Cisco ACI-connected uplink migration activities
 * Troubleshoot Layer 2 and Layer 3 connectivity issues during implementation and post-cutover validation
 * Work closely with internal engineering teams to ensure successful deployment and minimal operational impact
 * Document implementation activities, migration procedures, and technical changes


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