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# L3 network engineer

- **Company:** Noblesoft Technologies
- **Location:** San Antonio, TX, United States
- **Experience:** Experienced
- **Salary:** $93,600.0 - $104,000.0
- **Contract:** Permanent contract
- **Skills:** Catalyst (Software), EtherChannel, Local Area Networks, Routing, Virtual Local Area Networks, Wide Area Networks, Wireless Networks, Wireless Technologies, Cisco
- **Published:** August 4, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=bc1b2c9c04df3529

## About the Role

We are seeking a highly skilled Level 3 Network Engineer/Technical Network Lead with strong hands-on experience in Viptela SD-WAN, Cisco Wireless (Catalyst 9800), and Enterprise LAN/WAN environments. The role requires deep expertise in routing, switching, and wireless technologies, with the ability to handle complex incidents, drive root cause analysis, and support large-scale enterprise network operations. The candidate should also demonstrate strong ownership, proactive troubleshooting, and stakeholder communication skills.

## Description

Act as L3 escalation point for critical network incidents (P1/P2 issues).
Troubleshoot complex issues across WAN, LAN, SD-WAN, and Wireless networks.
Ensure quick restoration of services (RTS) within SLA targets.
Provide advanced troubleshooting for:

Viptela SD-WAN fabric (Control/Data plane issues)
Cisco LAN switching (VLANs, STP, EtherChannel)
Cisco Wireless (Catalyst 9800 WLC, AP onboarding, policy tags)
WAN circuits and routing instability

SD-WAN & WAN Management


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