Senior Network Engineer – Cisco Infrastructure & Data Center Migration
VectorUSA•Torrance, CA
•Onsite
About The Position
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.
Requirements
- 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
Nice To Haves
- CCNP or CCIE certification
- Experience with Cisco FEX environments
- Previous enterprise data center migration experience
- Experience supporting high-availability production networks
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
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
