Senior Data Center Network Engineer – Nexus/ACI SDN

Computer World Services Corp.; North Chicago (IL); Hybrid; USD 140,000 - 170,000; Full time

Job summary

Computer World Services, Corp. in North Chicago, IL, seeks a Senior Network Engineer to support data-center networking, SDN, enterprise connectivity, and outage restoration for the USMEPCOM ENLIST program.

The role emphasizes hands-on work with Cisco Nexus and ACI fabrics, VLANs, routing, and network security, with collaboration across stakeholders and the Outage Response Team. Hybrid schedule in North Chicago, IL is required.

Qualifications

• Bachelor’s degree in Information Technology, Networking, Computer Science, Engineering, or a related field.
• Minimum of eight (8) years of relevant network engineering, network administration, data-center networking, or enterprise infrastructure experience.
• Ability to work a hybrid schedule in North Chicago, IL.

Responsibilities

• Engineer, configure, maintain, and troubleshoot Cisco Nexus data-center switching environments and Cisco Application Centric Infrastructure (ACI) fabrics, including APICs, tenants, VRFs, bridge domains, endpoint groups, contracts, and external connectivity.
• Install, configure, refresh, and troubleshoot top-of-rack and data-center switches, network appliances, and software-defined networking configurations.
• Configure and troubleshoot VLANs, trunks, port channels, virtual port channels, routing, access controls, and redundant paths supporting servers, storage, virtualization, cloud, and enterprise networks.
• Support network architecture planning, integration, testing, and performance analysis; gather requirements and develop implementation procedures, cutover plans, validation steps, rollback procedures, and outage contingencies.
• Execute approved installations, refreshes, configuration changes, and equipment replacements, and lead relocation cutovers at USMEPCOM and MEPS locations from staging through post-cutover verification.
• Coordinate with cabling personnel on rack layouts, patching, fiber, copper, and network drops; support site surveys and maintain network diagrams, as-built documentation, and equipment inventories.
• Test devices before production deployment and apply approved firmware, OS, and security updates in accordance with DISA STIGs.
• Monitor network availability, performance, and capacity; diagnose and resolve complex Layer 2/Layer 3, fabric, routing, latency, and packet-loss issues, including WAN, SD-WAN, firewall, VPN, wireless, and cloud connectivity.
• Participate in Outage Response Team activities, providing diagnosis, workarounds, restoration support, and root-cause input; coordinate escalation with Cisco, DISA, carriers, cloud providers, and vendors.
• Identify recurring problems, capacity constraints, points of failure, and modernization opportunities, and recommend corrective actions.
• Follow approved ITSM processes, maintain configurations and technical documentation, and provide technical guidance to network administrators and support personnel.

Skills

Cisco Nexus

ACI fabrics

Data-center networking

Outage coordination

Education

Bachelor’s degree in IT/Networking

Tools

APICs

Nexus switches

SDN (ACI)

Job description

Computer World Services, Corp. in North Chicago, IL, seeks a Senior Network Engineer to support data-center networking, SDN, enterprise connectivity, and outage restoration for the USMEPCOM ENLIST program.

The role emphasizes hands-on work with Cisco Nexus and ACI fabrics, VLANs, routing, and network security, with collaboration across stakeholders and the Outage Response Team. Hybrid schedule in North Chicago, IL is required.