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# Senior Network Engineer

- **Company:** Expert Technology Services
- **Location:** Dallas, TX, United States
- **Experience:** Expert
- **Salary:** $150,000.0 - $170,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Access, User Authentication, Microsoft Azure, Border Gateway Protocol, Catalyst (Software), Profiling, Data Centers, Enhanced Interior Gateway Routing Protocol, Routing, Network Protocols, Cisco Nexus Switches, Open Shortest Path First (OSPF), Overlay Transport Virtualization, Wireless Access Point, Wireless Networks, Identity Services Engine, Network Access Control, HybridCloud, Cisco Switches, Cisco, Servicenow
- **Published:** August 21, 2026
- **Apply:** https://www.careerjet.com/jobad/uscfb8e959e8f016db07be3bad0edb4fc2

## About the Role

Strong hands-on experience with Cisco SDA, Catalyst Center, and large enterprise Cisco environments.

 - Expertise in Cisco ISE and enterprise wireless (Catalyst 9800).
 - Experience with Cisco Nexus Data Center technologies (VXLAN, EVPN, NDFC).
 - Solid background in network protocols and hybrid cloud networking.
 - Excellent communication and troubleshooting skills.
Other Requirements:

 - All candidate submissions must include a LinkedIn profile.
 - No background check or drug screening required.

## Description

Administer and troubleshoot Cisco Software-Defined Access (SDA) in large enterprise environments.

 - Support and manage Cisco Catalyst Center (DNA Center).
 - Provide advanced support for large-scale Cisco routing and switching infrastructures.
 - Configure and manage Cisco Identity Services Engine (ISE), including:
 - Authentication and Authorization
 - Endpoint Profiling and Onboarding
 - Network Access Control
 - Support Cisco Catalyst 9800 Wireless Controllers and enterprise wireless networks.
 - Troubleshoot and manage Cisco Secure Firewall technologies.
 - Administer Cisco Nexus Data Center technologies, including:
 - VXLAN
 - EVPN
 - Nexus Dashboard Fabric Controller (NDFC)
 - Work with Cisco Catalyst 9130/916x Access Points.
 - Configure and troubleshoot BGP, OSPF, and EIGRP routing protocols.
 - Support Azure networking and ExpressRoute connectivity for hybrid cloud environments.
 - Utilize ServiceNow for incident, change, and operational workflows.
 - Perform network performance monitoring, troubleshooting, and root cause analysis.
 - Manage incident resolution and provide technical escalation support.


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