CCNP-Level Network Engineer (Cisco Nexus 9K / Cisco ACI)

CCNP-Level Network Engineer (Cisco Nexus 9K / Cisco ACI)
12+ months contract
Irvine, CA

Responsible for the design, provisioning, configuration, and ongoing support of Cisco Nexus 9000 switches across both NX‑OS and Cisco ACI fabric environments. Performs advanced Layer 2 and Layer 3 troubleshooting, including VLAN segmentation, trunking, vPC/port‑channel architecture, SVIs, and dynamic routing protocols such as OSPF and BGP. Leads root-cause analysis for complex network incidents using CLI diagnostics, logs, counters, telemetry, and enterprise monitoring tools to ensure high availability and performance.

In Cisco ACI environments, provides operational oversight and hands-on support for fabric health, tenant architecture, and application connectivity. Designs and implements ACI constructs including tenants, VRFs, bridge domains, application profiles, EPGs, contracts, and filters in alignment with architectural standards and security policies. Performs advanced endpoint and path troubleshooting, fault analysis, health score remediation, and policy enforcement validation using APIC tools. Leads fabric provisioning efforts such as leaf/spine onboarding, interface and access policy design, domain and VLAN pool configuration, and executes fabric upgrades or expansions with minimal operational impact.

Plays a key role in change planning, implementation, and post-change validation for network deployments and enhancements. Maintains accurate network documentation, diagrams, and operational standards. Collaborates closely with network architecture, server, virtualization, security, and application teams to support deployments, resolve escalated incidents, and ensure network scalability, stability, and policy compliance.

Irvine DC Switch Refresh project

Required:
Routing & SwitchingCCNP level
OSPF
Spanning Tree
Experience / working knowledge with Cisco ACI
Expert experience with Cisco Nexus 9K switches
Experience working on ACI fabric configuration and related refresh activities
3 years experience performing network switch refresh activities
Expert level TCP IP knowledge
Desirable:
Experience with InfoBlox DHCP & IPAM
BGP experience
LogicMonitor experience
ServiceNow experience