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Network Engineer/Technical Network Lead - Location -San Antonio TX (Onsite)

esolutionsSan Antonio, TX

yesterday

Occupations

Network and Computer Systems AdministratorsComputer Network ArchitectsComputer Network Support Specialists

Industries

Wired Telecommunications CarriersComputer Systems Design ServicesAll Other Telecommunications
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About the role

Level 3 Network Engineer/Technical Network Lead
Location: San Antonio TXKeywords: Viptela SD-WAN
Job Summary: 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.
Key Responsibilities:
  • Technical Operations & Support
  • 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 instabilitySD-WAN & WAN Management
  • Deploy, configure, and troubleshoot Cisco Viptela SD-WAN (vManage, vEdge/cEdge). Handle: Overlay/underlay routing integration Policy-based routing & application-aware policies VPN segmentation and secure connectivity
  • Troubleshoot WAN issues such as: Packet loss, latency, circuit flaps, routing issues
  • Routing & Switching Expertise
  • Strong hands-on experience with: BGP (IBGP/EBGP), OSPF Route redistribution, route-maps, prefix-lists
  • Deep knowledge of: Spanning Tree Protocol (STP), RSTP, BPDU Guard, Root Guard, Loop prevention
  • Expertise in: VLAN design, inter-VLAN routing, EtherChannel configuration and troubleshooting
  • Wireless Network (Cisco 9800), Manage and troubleshoot Cisco Catalyst 9800 Wireless Controllers: WLAN, Policy, Site, and RF profiles, AP provisioning (DHCP Option 43 / DNS) HA-SSO configuration and failover validation
  • Diagnose wireless issues: Client connectivity, roaming issues, RF interference
  • Incident & Problem Management
  • Lead Major Incident Management (MIM) calls and technical bridges.
Drive end-to-end ownership of incidents until closure. Perform detailed Root Cause Analysis (RCA) and implement permanent fixes. Ensure compliance with: Proactive Problem Management - Analysis and Identify chronic issues in Network Infra and suggest improvementsSLA / KPI targets Incident documentation and reporting standards Change Activities Support and execute: Network migrations (LAN/WAN/Wireless/SD-WAN) Technology upgrades and refreshes As-built documentation and SOPsStakeholder & Vendor Management Coordinate with ISPs, OEM vendors, and internal teams Provide technical updates to client stakeholders Participate in client calls, reviews, and audits Tools & Platforms ServiceNow (or equivalent ITSM tools) Monitoring tools (SolarWinds, Thousand Eyes – good to have) Automation knowledge Python/Ansible (good to have) Qualifications & Experience Bachelor's degree in engineering / computer science (or equivalent) 10–15 years of experience in Enterprise Network Operations Relevant certifications preferred:

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JOB OVERVIEW

Experience level

Lead

Location

San Antonio, TX

Occupation

Network and Computer Systems Administrators

Industry

Wired Telecommunications Carriers

Posted

yesterday

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