Sr Network Test Engineer — Data Center Fabrics
Core
Design, build, and execute test plans for functional validation, customer use cases, and proof-of-concept engagements on data center switching platforms, including AI/ML fabric use cases.
Role type
Senior IC network test engineer (data center fabrics)
Builds
Data center switching platforms (Junos/Sonic on Broadcom), multi-stage IP Clos fabrics, AI/ML GPU back-end fabrics
Domain
Data center networking, AI/ML infrastructure, high-performance computing
Deliverable
production ML models | product features | dashboards & analysis
Required skills
IPCLOS fabric architecture, BGP, EVPN-VXLAN, IPv6 networking, traffic generation and analysis, CLI experience with data center NOS, troubleshooting methodology, documentation, automation scripting
Preferred skills
SONiC NOS and SAI-based architectures, Broadcom SDKs (SDKLT/OpenNSL), SONiC architecture components (SAI, FRR, Redis, Docker, Minigraph), telemetry (gNMI, OpenConfig, YANG/Netconf/REST), GPU cluster back-end network designs, RDMA over Converged Ethernet (RoCEv2), lossless Ethernet mechanisms, 100G/400G/800G optics, network vendor certification experience
Technologies
Junos, NX-OS, EOS, SONiC, Ixia, Keysight IxNetwork, Spirent TestCenter, Python, pytest, Ansible, Git, Jenkins, Docker, SAI, FRR, Redis, Minigraph, gNMI, OpenConfig, YANG, Netconf, REST API
Responsibilities
Design and execute test plans for functional/feature validation and customer use cases; Replicate customer network architectures in the lab including multi-stage IP Clos fabrics; Perform functional, interoperability, scale, and convergence testing of BGP-based underlays and EVPN-VXLAN overlays; Test AI/ML data center fabric use cases including RoCEv2 traffic profiles and lossless Ethernet behavior; Configure and troubleshoot routing and overlay protocols; Use traffic generators to build traffic profiles and measure performance metrics; Identify, isolate, and document software defects; Automate repetitive test workflows; Present test findings and demonstrations to customers
Seniority
Senior, hands-on IC
