Apply on Employer Site

QualX LLC · 11 hours ago

Network Engineer

Memphis, TN

Full-time

Onsite

Mid, Senior Level

QualX Corporation is seeking a highly skilled Network Engineer to join their data center operations team at the IRS Enterprise Computing Center in Memphis. The role focuses on supporting, designing, implementing, and maintaining advanced data center networking technologies critical to the IRS mission success.

Data MiningData StorageInformation Services

Work & Life Balance

Responsibilities

Deploy, configure, and manage Cisco Nexus (NX-OS) platforms (e.g., Nexus 9000 series) and Catalyst IOS-XE platforms (e.g., 9400, 9300, 8500, 9606)

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. Additionally, support and configure vPC domains in both ACI fabrics and traditional NX-OS environments

Configure and maintain routing protocols (EIGRP, OSPF, BGP), including redistribution, route summarization, tagging, and convergence optimization

Implement and troubleshoot QoS policies to ensure application performance

Configure redundancy and failover technologies, including STP, port-channels/LACP, HSRP, StackWise Virtual, BFD, and dual-homing designs

Optimize IPv4 and IPv6 coexistence and transitions, including NAT64 and dual-stack deployments

Deploy and manage copper and fiber cabling (Cat6e, MMF, SMF, DAC, AOC, MPO). Experience with patch panels (reading/testing connections), extending POTS lines for modem-based OOB access, and use of cable testing tools is also required

Select and validate optics/transceivers appropriate for various data center interconnects

Apply ACLs and prefix-lists for both security and routing protocol functions, including route-maps for redistribution and QoS

Support compliance and change management processes with thorough documentation and adherence to standards

Utilize Ansible and Linux for network automation and orchestration

Leverage Cisco Nexus Dashboard, Insights, and Data Broker for visibility and optimization

Manage monitoring platforms (SNMP-based) and troubleshooting tools, including Wireshark for packet capture analysis. Experience with physical TAPs and SPAN technology for network visibility and monitoring is also required

Collaborate with data center teams on virtualization technologies (VMware vSphere, VRFs, hypervisors). This includes exposure to Nutanix AHV as the organization transitions toward hyperconverged infrastructure

Document designs, configurations, and changes; produce diagrams and technical documentation

Support ticketing and ITSM workflows (ServiceNow) and contribute to effective change management

Qualification

Cisco Nexus NX-OSRouting protocols EIGRPRouting protocols OSPFRouting protocols BGPCisco ACI fabricNetwork automation (Ansible)High-availability designsCopperFiber cablingMonitoring tools SNMPMonitoring tools WiresharkChange management skillsVMware vSphereIPv6 transition mechanismsServiceNow familiarityDocumentation skills