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# Senior Network Engineer

- **Company:** TEKSYSTEMS INC.
- **Location:** Los Angeles, CA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** LTE (Telecommunication), Application Layers, Application Performance Management, Border Gateway Protocol, Catalyst (Software), Enhanced Interior Gateway Routing Protocol, Multi-protocol Systems, Open Shortest Path First (OSPF), Wide Area Networks, Authentication Authorization Accounting (Server Program), Firewalls (Computer Science), Cisco
- **Published:** August 7, 2026
- **Apply:** https://us.experteer.com/career/view-jobs/senior-network-engineer-los-angeles-ca-usa-58833378

## About the Role

WAN to modern Cisco SD-WAN * Establish design standards, templates, validation methods, and operational handoff docs * Configure, deploy, troubleshoot, and support Cisco SD-WAN using centralized templates and policies * Support SD-WAN edge platforms (Catalyst 8000/8500, ISR, ASR, IOS-XE) * Troubleshoot control connections, tunnel formation, NAT traversal, and overlay reachability * Validate application performance across WAN transports using routing/QoS/monitoring tools * Lead high-risk cutovers, site migrations, and production troubleshooting * Collaborate with security, LAN, cloud, voice, application, and carrier teams for requirements Tasks * 10+ years of enterprise or service provider network engineering experience * Hands-on Cisco SD-WAN design, deployment, and troubleshooting * Strong understanding of SD-WAN architecture (vManage/vBond/vSmart, WAN Edge) * Experience with MPLS, Internet, broadband, LTE/5G, and hybrid transports * Solid routing expertise (BGP, OSPF, IS-IS, EIGRP, aaa

* redistribution) * MPLS knowledge including L3VPN/L2VPN/VRFs/PE-CE routing * Hands-on with Cisco WAN edge/routing platforms (Catalyst 8000/8500, ASR, ISR) * Ability to troubleshoot across physical, SD-WAN, QoS, firewall, and application layers * Experience leading cutovers, migrations, and high-risk maintenance * Clear technical documentation, diagrams, and handoff materials * Strong communication with technical and non-technical stakeholders Key requirements * Medical, dental & vision * 401(k) retirement plan * Life insurance (voluntary) * Disability insurance * HSA * Paid time off and leave benefits

## Description

Experteer Overview In this role you will define and lead Cisco SD-WAN architectures for enterprise environments, aligning overlay design with MPLS, Internet, and other transports. You will work across WAN, LAN, security, and cloud integrations to ensure resilient, performance-driven connectivity. You'll guide migrations from legacy WAN and mentor engineering teams, delivering repeatable standards and thorough documentation. This position offers technical depth, architectural influence, and direct impact on critical network delivery. Compensation / Benefits * Design and define Cisco SD-WAN solutions for enterprise and mission-critical environments * Develop SD-WAN architectures across MPLS, Internet, broadband, LTE/5G, and hybrid transports * Define SD-WAN overlays across underlays and manage control/data/management planes (vManage, vBond, vSmart, WAN Edge) * Create SD-WAN policies for application-aware routing, segmentation, and SLA-based forwarding * Plan SD-WAN migration from legacy WAN to modern Cisco SD-WAN * Establish design standards, templates, validation methods, and operational handoff docs * Configure, deploy, troubleshoot, and support Cisco SD-WAN using centralized templates and policies * Support SD-WAN edge platforms (Catalyst 8000/8500, ISR, ASR, IOS-XE) * Troubleshoot control connections, tunnel formation, NAT traversal, and overlay reachability * Validate application performance across WAN transports using routing/QoS/monitoring tools * Lead high-risk cutovers, site migrations, and production troubleshooting * Collaborate with security, LAN, cloud, voice, application, and carrier teams for requirements Tasks * 10+ years of enterprise or service provider network engineering experience * Hands-on Cisco SD-WAN design, deployment, and troubleshooting * Strong understanding of SD-WAN architecture (vManage/vBond/vSmart, WAN Edge) * Experience with MPLS, Internet, broadband, LTE/5G, and hybrid transports * Solid routing expertise (BGP, OSPF, IS-IS, EIGRP, route redistribution) * MPLS knowledge including L3VPN/L2VPN/VRFs/PE-CE routing * Hands-on with Cisco WAN edge/routing platforms (Catalyst 8000/8500, ASR, ISR) * Ability to troubleshoot across physical, SD-WAN, QoS, firewall, and application layers * Experience leading cutovers, migrations, and high-risk maintenance * Clear technical documentation, diagrams, and handoff materials * Strong communication with technical and non-technical stakeholders Key requirements * Medical, dental & vision * 401(k) retirement plan * Life insurance (voluntary) * Disability insurance * HSA * Paid time off and leave benefits


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