Principal Machine Learning Engineer, vLLM

Red Hat
Boston2026-04-22Full time

About the job

As a Principal Machine Learning Engineer focused on model optimization algorithms, you will work closely with our product and research teams to develop SOTA deep learning software. You will collaborate with our technical and research teams to develop LLM training and deployment pipelines, implement model compression algorithms, and productize deep learning research. If you are someone who wants to contribute to solving challenging technical problems at the forefront of deep learning in the open source way, this is the role for you.

Responsibilities

Contribute to the design, development, and testing of various inference optimization algorithms in the vLLM, and related projects, such as llm-d and LLM-compressor  projects.

Create and manage inference serving deployment pipelines

Benchmark, profile, and evaluate different parallelizations, quantization and sparsification approaches to determine the best performance for specific hardware and models

Participate in technical design discussions and provide innovative solutions to complex problems

Stay up-to-date with the latest advancements in the open source LLM model architecture, LLM Inference parallelizations/optimizations techniques, and quantization research

Stay up-to-date of latest CPU and GPU hardware architecture and features to boost AI inference performance

Give thoughtful and prompt code reviews

Mentor and guide other engineers and foster a culture of continuous learning and innovation

Continuous collaboration with internal and external open source comitters and contributors while contributing to vLLM and related projects

Qualifications

Minimum

Strong understanding of machine learning and deep learning fundamentals with experience in one or more of LLM Inference Optimizations, Computer Vision, NLP, and reinforcement learning

Experience with tensor math libraries such as PyTorch and NumPy

Strong programming skills with proven experience implementing Python based machine learning solutions

Ability to develop and implement research ideas and algorithms

Experience with mathematical software, especially linear algebra

Understanding of Linear Algebra, Gradients, Probability, and Graph Theory

Strong communications skills with both technical and non-technical team members

Preferred

BS, or MS in computer science or computer engineering or a related field. A PhD in a ML related domain is considered a strong plus.