Company profile

Cornelis Networks Tech Stack

Omni-Path scale-out network fabric hardware and software for AI and HPC

Computer Networking Products Wayne, PA 51–200 employees Founded 2020 Privately Held

Cornelis Networks builds scale-out interconnect fabrics for AI training, inference and HPC, rooted in Omni-Path. The stack spans chip design (Verilog, SystemVerilog, UVM, Design Compiler) through RDMA, libfabric and SONiC up to NCCL, PyTorch and DeepSpeed, a full silicon-to-framework vertical. Hiring is accelerating and senior, engineering-heavy, aimed at next-generation Ethernet ASICs and verification throughput.

Tech Stack 90 technologies

Core StackPython C++ Kubernetes Go PyTorch TensorFlow Visual Basic Tera Term Cygwin Perl Tcl Questa UVM NCCL CUDA ROCm JAX DeepSpeed Megatron-LM libfabric RDMA RoCEv2 SONiC ASIC Verilog SystemVerilog Design Compiler IPsec InfiniBand Omni-Path+60 more

What Cornelis Networks Is BuildingChallenges and projects from their job posts

◆Challenges

Scaling and automating chip validation and verification
Reducing production test failures at contract manufacturers
Reliability and failure analysis of complex systems
Delivering networking solutions on time and budget

▲Active Projects

Next-generation Ethernet ASICs
Next-generation Cornelis fabric platforms
AI communication middleware integrated with libfabric/OFI/UCX
UVM and formal verification for SoC RTL
Post-silicon validation and debugging
PCB test fixtures and contract manufacturer test processes

Hiring Activity

Accelerating35 roles · 15 in 30d

Department

Engineering

Sales

Manufacturing

Marketing

Support

Seniority

Senior

Mid

Manager

Junior

Lead

Principal

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About Cornelis Networks

Cornelis Networks is a privately held networking company headquartered in Wayne, PA, founded in 2020 with 51–200 employees. It develops high-performance, lossless scale-out network fabrics for AI and HPC infrastructure, built on the Omni-Path architecture. Its work covers ASIC design and verification, fabric platforms, and communication middleware that connects to AI frameworks and GPU ecosystems such as CUDA and ROCm. The company also runs hardware test and manufacturing operations with contract manufacturers, and hires in the United States, Costa Rica, Germany, Japan and Indonesia.

HeadquartersWayne, PA

Company Size51–200 employees

Founded2020

Hiring MarketsUnited States, Costa Rica, Germany, Japan, Indonesia

Frequently Asked Questions

What tech stack does Cornelis Networks use?

Cornelis uses SystemVerilog, Verilog, UVM, Questa and Design Compiler for chip design, plus C++, Python, Go, libfabric, RDMA, RoCEv2, SONiC, InfiniBand, Omni-Path, NCCL, CUDA, ROCm and PyTorch.

What is Cornelis Networks working on?

Job posts point to next-generation fabric platforms and Ethernet ASICs, AI communication middleware integrated with libfabric/OFI/UCX, SoC verification environments, and post-silicon validation.

What countries does Cornelis Networks hire in?

Cornelis Networks hires in the United States, Costa Rica, Germany, Japan and Indonesia, mostly senior engineering roles, with hiring velocity accelerating.

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How this profile is built

Cornelis Networks's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →

This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.