Software Engineer – AI/HPC Middleware

• 2+ years of experience in systems programming in C/C++ on Linux; Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience). Master's or Doctorate a plus.
• Exposure to or coursework/project experience with HPC middleware (e.g., MPI/SHMEM) and/or AI collective communication libraries (e.g., NCCL/RCCL, CUDA/ROCm) and/or other CCL stacks.
• Familiarity with performance concepts and an ability to diagnose issues using profiling/tracing tools, or a strong willingness to learn.
• Foundational understanding of networking and/or RDMA concepts.

• Experience contributing to open-source projects.
• Exposure to libfabric providers.
• Familiarity with Ultra Ethernet (UEC/UET) specifications.
• Experience with RoCEv2, congestion control, and/or Ethernet-based RDMA deployments.
• Experience with benchmarking, profiling, and optimization.
• Background with Omni-Path/OPX or Ethernet-based HPC fabrics.

This is a remote position for employees residing within the United States.

We offer a competitive compensation package that includes equity, cash, and incentives, along with health and retirement benefits.

Our dynamic, flexible work environment provides the opportunity to collaborate with some of the most influential names in the semiconductor industry.

At Cornelis Networks your base salary is only one component of your comprehensive total rewards package.

Your base pay will be determined by factors such as your skills, qualifications, experience, and location relative to the hiring range for the position.

Depending on your role, you may also be eligible for performance-based incentives, including an annual bonus or sales incentives.

In addition to your base pay, you’ll have access to a broad range of benefits, including medical, dental, and vision coverage, as well as disability and life insurance, a dependent care flexible spending account, accidental injury insurance, and pet insurance.

We also offer generous paid holidays, 401(k) with company match, and Open Time Off (OTO) for regular full-time exempt employees.

Other paid time off benefits include sick time, bonding leave, and pregnancy disability leave.

Cornelis Networks does not accept unsolicited resumes from headhunters, recruitment agencies, or fee-based recruitment services. Cornelis Networks is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law. We encourage applications from all qualified candidates and will accommodate applicants’ needs under the respective laws throughout all stages of the recruitment and selection process.