Senior Technical Support Engineer, Network

We are seeking a Senior Network Engineer to join our dynamic team supporting InfiniBand and Ethernet fabrics in demanding data center, AI, storage, and HPC environments.

As a Technical Support Engineer, you will be responsible for resolving complex technical issues while ensuring high customer satisfaction. You will work closely with Engineering, Marketing, and Support teams on complex technical issues.

Key responsibilities include:

• Providing tier 3 support for InfiniBand and Ethernet fabrics, including installation, support, and resolution of complex technical issues in large AI/HPC and storage clusters

• Troubleshooting end-to-end InfiniBand fabrics, including subnet management (UFM/OpenSM), routing topology, and congestion control

• Developing and presenting comprehensive technical solutions to customer problems, including project management of complex fabric installations

• Reporting, replicating, and resolving issues

• Responding to customer technical inquiries

• Conducting site visits and conference calls with customers and partners

• Developing and refining internal processes to improve support efficiency and productivity

Requirements include:

• B.Sc. in Computer Science, Software Engineering, or Electrical Engineering, or equivalent experience

• 5+ years of customer support experience for hardware and software products

• Hands-on InfiniBand experience or deep Ethernet/RDMA expertise with a demonstrated ability to ramp quickly on InfiniBand

• Extensive knowledge of LAN switching/routing and IP routing, plus virtualization, EVPN, and VXLAN

• Linux experience and scripting

• Automation experience with Ansible

• Ability to work under pressure and support high-level customers

• Experience operating and configuring major vendors' switches and routers

• Analysis and diagnosis of highly complex networking problems

• Strong communication, presentation, and oral skills, with excellent verbal and written English

Preferred qualifications include:

• Deep InfiniBand expertise, including UFM, OpenSM, adaptive routing, congestion control, link-layer troubleshooting, ibdiagnet/perftest, and ConnectX/BlueField adapters

• RDMA, RoCE, and GPUDirect RDMA in production AI/HPC clusters

• Clustering and data-center technologies, including upper-layer protocols (e.g., MPI, NCCL)

• Knowledge of Linux/Unix at an administration level

• Ethernet (10/40/100+ GigE) and/or InfiniBand at scale

If you're creative, results-oriented, and enjoy having fun, apply today!