Network Engineer - (Cisco Infrastructure & Data Center Migration)

Role: Network Engineer – Cisco Infrastructure & Data Center Migration

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

Duration: Multi-phase migration project

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