Principal Machine Learning Engineer

Red River•Boston, MA

10d

About The Position

At Red Hat we believe the future of AI is open and we are on a mission to bring the power of open-source LLMs and vLLM to every enterprise. The Red Hat AI Inference Engineering team accelerates AI for the enterprise and brings operational simplicity to GenAI deployments. As leading developers, maintainers of the vLLM and LLM-D projects, and inventors of state-of-the-art techniques for model quantization and sparsification, our team provides a stable platform for enterprises to build, optimize, and scale LLM deployments. As a Machine Learning Engineer focused on distributed vLLM infrastructure in the llm-d project, you will be at the forefront of innovation, collaborating with our team to tackle the most pressing challenges in scalable inference systems and Kubernetes-native deployments. Your work with machine learning, distributed systems, high performance computing, and cloud infrastructure will directly impact the development of our cutting-edge software platform, helping to shape the future of AI deployment and utilization. If you want to solve cutting edge problems at the intersection of deep learning, distributed systems, and cloud-native infrastructure the open-source way, this is the role for you. Join us in shaping the future of AI!

Requirements

Strong proficiency in Python, GoLang and at least one of the following: Rust, C, or C++.
Strong experience with cloud-native Kubernetes service mesh technologies/stacks such as Istio, Cilium, Envoy (WASM filters), and CNI.
A solid understanding of Layer 7 networking, HTTP/2, gRPC, and the fundamentals of API gateways and reverse proxies.
Knowledge of serving runtime technologies for hosting LLMs, such as vLLM, SGLang, TensorRT-LLM, etc.
Excellent written and verbal communication skills, capable of interacting effectively with both technical and non-technical team members.
Experience providing technical leadership in a global team and delivering on a vision
Autonomous work ethic and the ability to thrive in a dynamic, fast-paced environment

Nice To Haves

Knowledge of high-performance networking protocols and technologies including UCX, RoCE, InfiniBand, and RDMA is a plus.
Deep experience with the Kubernetes ecosystem, including core concepts, custom APIs, operators, and the Gateway API inference extension for GenAI workloads.
Experience with GPU performance benchmarking and profiling tools like NVIDIA Nsight or distributed tracing libraries/techniques like OpenTelemetry.
Experience in writing high performance code for GPUs and deep knowledge of GPU hardware
Strong understanding of computer architecture, parallel processing, and distributed computing concepts
Bachelor's degree in computer science or related field is an advantage, though we prioritize hands-on experience
Active engagement in the ML research community (publications, conference participation, or open source contributions) is a significant advantage

Responsibilities

Architect and lead implementation of new features and solutions for Red Hat AI Inference
Lead and foster a healthy upstream open source community
Design, develop, and maintain distributed inference infrastructure leveraging Kubernetes APIs, operators, and the Gateway Inference Extension API for scalable LLM deployments.
Design, develop, and maintain system components in Go and/or Rust to integrate with the vLLM project and manage distributed inference workloads.
Design, develop, and maintain KV cache-aware routing and scoring algorithms to optimize memory utilization and request distribution in large-scale inference deployments.
Enhance the resource utilization, fault tolerance, and stability of the inference stack.
Design, develop, and test various inference optimization algorithms.
Actively lead and facilitate technical design discussions and propose innovative solutions to complex challenges for high impact projects
Contribute to a culture of continuous improvement by sharing recommendations and technical knowledge with team members
Collaborate with product management, other engineering and cross-functional teams to analyze and clarify business requirements
Communicate effectively to stakeholders and team members to ensure proper visibility of development efforts
Mentor, influence, and coach a distributed team of engineers
Provide timely and constructive code reviews
Represent RHAI in external engagements including industry events, customer meetings, and open source communities

Benefits

Comprehensive medical, dental, and vision coverage
Flexible Spending Account - healthcare and dependent care
Health Savings Account - high deductible medical plan
Retirement 401(k) with employer match
Paid time off and holidays
Paid parental leave plans for all new parents
Leave benefits including disability, paid family medical leave, and paid military leave
Additional benefits including employee stock purchase plan, family planning reimbursement, tuition reimbursement, transportation expense account, employee assistance program, and more!

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