Machine Learning Engineer, vLLM Inference Tool Calling and Structured Output at Red Hat

About the JobAt 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 Inference team accelerates AI for the enterprise and brings operational simplicity to GenAI deployments. As leading contributors and 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 vLLM you will be at the forefront of innovation collaborating with our team to tackle the most pressing challenges in model performance and this role you will build and maintain subsystems that allow vLLM to speak the language of tools. You will bridge the gap between probabilistic token generation and deterministic schema compliance working directly on tool parsers to interpret raw model outputs and structured output engines to guide generation at the logit level. 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.Join us in shaping the future of AI Inference!What You Will DoWrite robust Python and Pydantic working on vLLM systems high performance machinelearning primitives performance analysis and modeling and numerical methodsContribute to the design development and testing of function calling tool calling parser and structured output subsystems in vLLMParticipate in technical design discussions and provide innovative solutions to complex problemsGive thoughtful and prompt code reviewsMentor and guide other engineers and foster a culture of continuous learning and innovationWhat You Will BringStrong experience in Python and PydanticStrong understanding of LLM Inference Core Concepts such as logits processing (ie. Logit Generation -> Sampling -> Decoding loop)Deep familiarity with the OpenAI Chat Completions API specificationDeep familiarity with libraries like Outlines XGrammar Guidance or grammarsProficiency with efficient parsing techniques (e.g. incremental parsing) is a strong plusProficiency with Jinja2 chat templatesFamiliarity with Beam Search and Greedy Decoding in the context of constraintsFamiliarity with LLM inference metrics and tradeoffsExperience with tensor math libraries such as PyTorch is a strong plusStrong communication skills with both technical and non-technical team membersBS or MS in computer science or computer engineering mathematics or a related field; PhD in an ML-related domain is considered a plus#LI-HM1The salary range for this position is $133650.00 - $220680.00. Actual offer will be based on your qualifications.Pay TransparencyRed Hat determines compensation based on several factors including but not limited to job location experience applicable skills and training external market value and internal pay equity. Annual salary is one component of Red Hats compensation package. This position may also be eligible for bonus commission and/or equity. For positions with Remote-US locations the actual salary range for the position may differ based on location but will be commensurate with job duties and relevant work experience.About Red HatRed Hat is the worlds leading provider of enterprise open source software solutions using a community-powered approach to deliver high-performing Linux cloud container and Kubernetes technologies. Spread across 40 countries our associates work flexibly across work environments from in-office to office-flex to fully remote depending on the requirements of their role. Red Hatters are encouraged to bring their best ideas no matter their title or tenure. Were a leader in open source because of our open and inclusive environment. We hire creative passionate people ready to contribute their ideas help solve complex problems and make an impact.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!Note: These benefits are only applicable to full time permanent associates at Red Hat located in the United States.Inclusion at Red HatRed Hats culture is built on the open source principles of transparency collaboration and inclusion where the best ideas can come from anywhere and anyone. When this is realized it empowers people from different backgrounds perspectives and experiences to come together to share ideas challenge the status quo and drive innovation. Our aspiration is that everyone experiences this culture with equal opportunity and access and that all voices are not only heard but also celebrated. We hope you will join our celebration and we welcome and encourage applicants from all the beautiful dimensions that compose our global village.Equal Opportunity Policy (EEO)Red Hat is proud to be an equal opportunity workplace and an affirmative action employer. We review applications for employment without regard to their race color religion sex sexual orientation gender identity national origin ancestry citizenship age veteran status genetic information physical or mental disability medical condition marital status or any other basis prohibited by law.Red Hat does not seek or accept unsolicited resumes or CVs from recruitment agencies. We are not responsible for and will not pay any fees commissions or any other payment related to unsolicited resumes or CVs except as required in a written contract between Red Hat and the recruitment agency or party requesting payment of a fee.Red Hat supports individuals with disabilities and provides reasonable accommodations to job applicants. If you need assistance completing our online job application email . General inquiries such as those regarding the status of a job application will not receive a reply. Key Skills Children Activity,English Language,Guest Relations,Administration & Operation,Adobe Photoshop,Filing Employment Type : Full-Time Experience: years Vacancy: 1 Monthly Salary Salary: 133650 - 220680