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Principal/Senior Principal Machine Learning Engineer - Llama.cpp

Red Hat

$189,600 - $351,050
Sep 16, 2025
Boston, MA, USA
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Red Hat is looking to solve the problem of bringing the power of open-source LLMs and vLLM to every enterprise by accelerating AI for the enterprise and bringing operational simplicity to GenAI deployments.

Requirements

  • Extensive experience in writing high performance modern C++ code.
  • Strong experience with hardware acceleration libraries and backends: CUDA, Metal, Vulkan, or SYCL.
  • Strong fundamentals in machine learning and deep learning, with a deep understanding of transformer architectures and LLM inference.
  • Experience with performance profiling, benchmarking, and optimization techniques.
  • Proficient in Python.
  • Prior experience contributing to a major open-source project.

Responsibilities

  • Design and implement new features and optimizations for the llama.cpp core, including model architecture support, quantization techniques, and inference algorithms.
  • Optimize the codebase for various hardware backends, including CPU instruction sets, Apple Silicon (Metal), and other GPU technologies (CUDA, Vulkan, SYCL).
  • Conduct performance analysis and benchmarking to identify bottlenecks and propose solutions for improving latency and throughput.
  • Contribute to the design and evolution of core project components, such as the GGUF file format and the GGML tensor library.
  • Collaborate with the open-source community by reviewing pull requests, participating in technical discussions on GitHub, and providing guidance on best practices.

Other

  • Bachelor's, Master's, or Ph.D. degree in Computer Science or related field (not explicitly mentioned but implied)
  • Comprehensive medical, dental, and vision coverage
  • Flexible Spending Account - healthcare and dependent care
  • Retirement 401(k) with employer match
  • Paid time off and holidays