Senior Network Architect — Cisco SD-WAN, DNAC & ACI

HCL Technologies Limited

Bryan (TX)

On-site

USD 120,000 - 160,000

Full time

4 days ago

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Job summary

HCL Technologies Limited is seeking a senior Network L3 Engineer in Bryan, TX to own design, implementation, optimization, and advanced troubleshooting of complex enterprise networks including LAN, WAN, DC, SD-WAN, and Wireless. You will serve as the final escalation point and provide architectural guidance, RCA, and continuous improvement across voice, video, and data traffic.

The role requires deep Cisco enterprise networking expertise (SD-WAN, routing, switching, Cisco ACI) in large, highly

Qualifications

6+ years of enterprise networking experience with hands-on design, deployment, and support.
Strong expertise in Cisco networking, SD‑WAN, and data center architectures.
Experience with WAN/LAN, wireless networks, and network security integrations.

Responsibilities

Act as Level 3 escalation point for complex network incidents and RCA.
Design, implement, and optimize campus, data center, WAN, and wireless networks.
Lead architecture reviews and deployment of Cisco wired/wireless infrastructures.
Configure and troubleshoot routing protocols: BGP, OSPF, EIGRP; MPLS integration.
Manage QoS policies to support real‑time voice/video traffic; ensure high availability.
Coordinate with L1/L2 teams and global, distributed groups; provide technical guidance.