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Etched Logo Etched · IT - Software Development

Supercomputing Engineer (Network)

United States, San Jose 150000.00 - 275000.00 USD / Year · Job Posted February 18, 2026
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Job Description

We are seeking highly motivated and skilled Supercomputing Engineers (Network) to join our team. This team plays a critical role in developing, qualifying, and optimizing high-performance networking solutions for large-scale inference workloads. As a Pod Software Engineer, you will focus on developing and qualifying software that drives communication amongst Sohu inference nodes in multi-rack inference clusters. You will collaborate closely with kernel, platform, and telemetry teams to push the boundaries of peer-to-peer RDMA efficiency.

Job Responsibility

  • Design, develop, and implement RDMA based networking peering, supporting high bandwidth, low latency communication across PCIe nodes within and across racks
  • Develop tests that qualify host processors (x86), NICs, TORs and device network interfaces for high performance
  • Furnish burn-in teams with tests that represent both real-world use cases and workloads for device to device networking, and extreme-load stress testing
  • Define the key metrics that system software must collect to maintain high availability and performance under extreme communications workloads

Requirements

  • Proficiency in C/C++
  • Proficiency in at least one scripting language (e.g., Python, Bash, Go)
  • Strong experience with device-to-device networking technologies (RDMA, GPUDirect, etc.), including RoCE
  • Experience with zero-copy networking, RDMA verbs and memory registration
  • Familiarity with queue pairs, completions queues, and transport types
  • Strong understanding of operating systems (Linux preferred) and server hardware architectures
  • Ability to analyze complex technical problems and provide effective solutions
  • Excellent communication and collaboration skills
  • Ability to work independently and as part of a team
  • Experience with version control systems (e.g., Git)
  • Experience with reading and interpreting hardware logs

Nice to have

  • Experience with networking technologies like NVLink, Infiniband, ML Pod interconnects
  • Experience with widely deployed Top of Rack Switches (Cisco, Juniper, Arista, etc.)
  • Knowledge of server virtualization
  • Experience with tracing tools like perf, eBPF, ftrace, etc.
  • Experience with performance testing and benchmarking tools (gProf, vTune, Wireshark, etc.)
  • Familiarity with hardware diagnostic tools and techniques
  • Experience with containerization technologies (e.g., Docker, Kubernetes)
  • Experience with CI/CD pipelines
  • Experience with Rust

What we offer

  • Medical, dental, and vision packages with generous premium coverage
  • $500 per month credit for waiving medical benefits
  • Housing subsidy of $2k per month for those living within walking distance of the office
  • Relocation support for those moving to San Jose (Santana Row)
  • Various wellness benefits covering fitness, mental health, and more
  • Daily lunch + dinner in our office
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