What are the responsibilities and job description for the US Restricted/Citizen - Day 2 Network Support Engineer (Cisco Nexus & ACI) position at Configure, Inc.?
Overview
We are seeking a highly capable Day-2 Network Support Engineer with deep expertise in Cisco Nexus datacenter switching and Cisco ACI/APIC fabric operations. This role supports a hybrid environment that includes legacy Nexus platforms (2K/5K/7K), modern Nexus 9K EX/FX/FX2/FX3/GX systems, and ACI leaf/spine fabrics. The engineer will ensure stability, performance, and lifecycle compliance across mission-critical datacenter networks.
Key Responsibilities
Datacenter Switching (Nexus-Focused)
Location: Dallas or Chicago (Oakbrook Terrace) Preferred, but remote candidates are acceptable.
Benefits: PTO, Medical, Dental, Vision and 401k
We are unable to sponsor at this time
We are seeking a highly capable Day-2 Network Support Engineer with deep expertise in Cisco Nexus datacenter switching and Cisco ACI/APIC fabric operations. This role supports a hybrid environment that includes legacy Nexus platforms (2K/5K/7K), modern Nexus 9K EX/FX/FX2/FX3/GX systems, and ACI leaf/spine fabrics. The engineer will ensure stability, performance, and lifecycle compliance across mission-critical datacenter networks.
Key Responsibilities
Datacenter Switching (Nexus-Focused)
- Provide advanced troubleshooting and operational support for:
- Nexus 2K FEX (2200/2300 series)
- Nexus 5K/5600/6000 platforms
- Nexus 7K/7700 chassis
- Nexus 9K EX/FX/FX2/FX3/GX platforms
- Diagnose and resolve issues involving:
- VPC, VDC, FabricPath, OTV
- L2/L3 forwarding, STP, OSPF, BGP
- VXLAN/EVPN overlays (NX-OS mode)
- Perform NX-OS upgrades, ISSU, and line-card firmware updates.
- Support migrations from legacy platforms (N5K/N7K) to modern N9K architecture.
- Maintain configuration standards, templates, and operational runbooks.
- Manage and troubleshoot ACI constructs:
- Tenants, VRFs, bridge domains, EPGs, contracts
- L3Outs, multipod, fabric policies
- Operate and maintain APIC controllers (M3/M4/M5):
- Firmware upgrades and pre-checks
- Health score remediation
- Fault/event analysis and RCA
- Troubleshoot ACI-specific issues:
- Endpoint learning and mobility
- COOP/ISIS fabric behavior
- Policy resolution and contract enforcement
- Support migrations from classic Nexus to ACI leaf/spine.
- Maintain fabric documentation, diagrams, and policy standards.
- Participate in incident response, root-cause analysis, and post-mortems.
- Work within change management processes for configuration updates.
- Track and manage lifecycle risk for EoS/EoL hardware and software.
- Collaborate with architecture, security, and NOC teams.
- Contribute to operational playbooks and knowledge base articles.
Location: Dallas or Chicago (Oakbrook Terrace) Preferred, but remote candidates are acceptable.
Benefits: PTO, Medical, Dental, Vision and 401k
We are unable to sponsor at this time