Senior Network Engineer – Cisco Infrastructure & Data Center Migration

Overview

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.

Project Details

Role Type: Contract / Project-Based

Location: Jersey City, NJ Onsite (Data Center Environment)

Duration: Multi-phase migration project

Schedule: Must be available for maintenance windows and after-hours cutovers as required

Responsibilities

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

Required Qualifications

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

Preferred Qualifications

CCNP or CCIE certification

Experience with Cisco FEX environments

Previous enterprise data center migration experience

Experience supporting high-availability production networks

Compensation: Starting at $125,000 per year, with the potential for a higher offer based on experience, certifications, and technical expertise.

VectorUSA is a proud Equal Opportunity Employer/Veterans/Disabled. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.