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# Network Engineer (Cisco Enterprise Operations)

- **Company:** Nmk Global Inc.
- **Location:** Dallas, TX, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Access, Microsoft Azure, Border Gateway Protocol, Catalyst (Software), Profiling, Data Centers, Enhanced Interior Gateway Routing Protocol, Network Troubleshooting, Routing, Network Service, Cisco Nexus Switches, Open Shortest Path First (OSPF), Overlay Transport Virtualization, Roaming, Wireless Access Point, Wireless Networks, Computer Networking Systems, Identity Services Engine, Firewalls (Computer Science), Data Center Networking, Routing & Switching, Cisco Switches, Cisco, Servicenow
- **Published:** August 12, 2026
- **Apply:** https://www.dice.com/job-detail/bd5f2174-b65d-4c0b-9949-167326f8f94d

## About the Role

We are seeking a highly experienced Senior Network Engineer with strong hands-on operational experience supporting large-scale Cisco enterprise environments.

The ideal candidate will have deep expertise in Cisco SDA, Catalyst Center (DNA Center), Cisco ISE, enterprise wireless, Cisco Nexus, VXLAN/EVPN, and Cisco Secure Firewall.

This role requires someone who can operate independently with minimal ramp-up time, troubleshoot complex production network issues, and confidently represent Network Services during P1 incidents and interactions with senior facility management.

Healthcare experience is a plus but not required. Experience supporting large, highly available, 24x7 enterprise environments is the key requirement.

Must-Have Technical Skills:

 * Cisco Software-Defined Access (SDA)
 * Cisco Catalyst Center / DNA Center
 * Cisco Identity Services Engine (ISE)
 * Cisco Catalyst 9800 Wireless Controllers
 * Cisco Catalyst 9130/916x Access Points
 * Enterprise wireless and high-density environments
 * Cisco Nexus Data Center
 * VXLAN/EVPN
 * Nexus Dashboard Fabric Controller (NDFC)
 * Cisco routing and switching
 * Cisco Secure Firewall
 * Azure connectivity / ExpressRoute
 * ServiceNow change and incident management

## Description

* Provide operational support for large-scale Cisco enterprise networks.
 * Troubleshoot and maintain Cisco SDA fabrics and Catalyst Center.
 * Manage Cisco ISE authentication, authorization, profiling, and endpoint onboarding.
 * Troubleshoot enterprise wireless issues, including RF optimization, roaming, and client performance.
 * Support routing protocols including BGP, OSPF, and EIGRP.
 * Troubleshoot and support data center networks using VXLAN/EVPN.
 * Manage large-scale Cisco switching and routing environments.
 * Support Cisco Secure Firewall technologies.
 * Troubleshoot hybrid connectivity and Azure ExpressRoute.
 * Participate in 24x7 operational support and on-call rotations.
 * Respond to critical/P1 network incidents and perform root cause analysis.
 * Follow ServiceNow workflows for incidents, changes, and operational activities.
 * Collaborate with infrastructure, security, application, and facilities teams.
 * Communicate effectively with technical teams and senior facility leadership during critical incidents.


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