Data Center Network Engineer – Cisco NX-OS & ACI

QualX Corporation; Memphis (TN); On-site; USD 80,000 - 93,000; Full time

Job summary

QualX Corporation is seeking a Network Analyst to support the IRS Memphis data center. The role focuses on designing, implementing, and maintaining advanced networking, with hands‑on work on Cisco Nexus and IOS‑XE platforms, ACI fabrics, and routing protocols.

Strong scripting, automation, and documentation skills are required. The position emphasizes collaboration with data center teams, virtualization exposure, and adherence to security and change-management practices in a large-scale

Qualifications

• Experience with Cisco Nexus NX-OS and Catalyst IOS-XE platforms.
• Hands-on experience with Cisco ACI fabric technologies.
• Knowledge of routing and switching protocols (EIGRP, OSPF, BGP, STP).
• Experience with high-availability designs and redundancy protocols (HSRP, vPC, StackWise Virtual).
• Practical experience with copper and fiber cabling standards and optics.
• Familiarity with network automation (Ansible, Linux scripting).
• Proficiency with monitoring tools, SNMP, and troubleshooting utilities (Wireshark).
• Strong documentation, diagramming, and change management skills.

Responsibilities

• Design, Implementation, and Operations: Deploy, configure, and manage Cisco Nexus (NX-OS) platforms and Catalyst IOS-XE platforms.
• Engineer and support spine‑leaf and collapsed core architectures, as well as hierarchical aggregation and access topologies.
• Manage Cisco ACI/APIC fabric, including spine/leaf configurations, and policy‑based networking; support vPC in ACI and NX‑OS environments.
• Configure and maintain routing protocols (EIGRP, OSPF, BGP), including redistribution and convergence optimization.
• Network Resiliency and Performance: Implement and troubleshoot QoS policies for application performance; configure redundancy and failover technologies (HSRP, StackWise Virtual, etc.).
• Infrastructure and Cabling: Deploy copper and fiber cabling (Cat6e, MMF, SMF), patch panels, and optics selection; OOB access considerations.
• Security and Access Control: Apply ACLs and prefix‑lists for security and routing; document changes for compliance.
• Automation, Tools, and Monitoring: Use Ansible and Linux for automation; leverage Nexus Dashboard and SNMP/Wireshark for visibility.
• Collaboration and Documentation: Work with virtualization (VMware vSphere, VRFs) and document designs; support ServiceNow and change management.

Skills

Network design

Routing protocols

Network automation

Documentation

Troubleshooting

Education

Bachelor's degree

Tools

Cisco NX-OS

Catalyst IOS-XE

Cisco ACI

Ansible

Linux scripting

VMware vSphere

Job description

QualX Corporation is seeking a Network Analyst to support the IRS Memphis data center. The role focuses on designing, implementing, and maintaining advanced networking, with hands‑on work on Cisco Nexus and IOS‑XE platforms, ACI fabrics, and routing protocols.

Strong scripting, automation, and documentation skills are required. The position emphasizes collaboration with data center teams, virtualization exposure, and adherence to security and change-management practices in a large-scale