Machine Learning Engineer

• Design and ship agentic LLM pipelines: multi-step reasoning, tool use, reflection loops, and long-horizon planning and memory.

• Build evaluation frameworks to measure agent reliability and safety across different tasks.

• Build and maintain RAG systems, vector stores, and external tool integrations.

• Deploy and scale agent systems in production; translate relevant research into working systems., The base salary budgeted range for this position is $145K - $155K. Individuals may also be considered for bonus and/or commission. Lenovo's various benefits can be found on www.lenovobenefits.com. We are an Equal Opportunity Employer and do not discriminate against any employee or applicant for employment because of race, color, sex, age, religion, sexual orientation, gender identity, national origin, status as a veteran, and basis of disability or any federal, state, or local protected class. Additional Locations:

• United States of America - Illinois - Chicago

• United States of America

• United States of America - Illinois

• 5+ years in ML or applied AI with strong hands-on LLM experience (prompting, fine-tuning, inference optimization)
• Experience in Python and the modern ML stack (PyTorch, Hugging Face, vLLM or equivalent)
• Proven experience with agentic frameworks (LangGraph, AutoGen, CrewAI, or custom) and tool-use patterns (function calling, MCP, structured outputs)
• Experience with RAG architecture, embedding models, and LLM evaluation methodology
• Experience with software engineering fundamentals (python and at least one other programming language)., * Rust experience for performance-critical inference or runtime components *

Why Work at Lenovo We are Lenovo. We do what we say. We own what we do. We WOW our customers. Lenovo is a US$69 billion revenue global technology powerhouse, ranked #196 in the Fortune Global 500, and serving millions of customers every day in 180 markets. Focused on a bold vision to deliver Smarter Technology for All, Lenovo has built on its success as the world's largest PC company with a full-stack portfolio of AI-enabled, AI-ready, and AI-optimized devices (PCs, workstations, smartphones, tablets), infrastructure (server, storage, edge, high performance computing and software defined infrastructure), software, solutions, and services. Lenovo's continued investment in world-changing innovation is building a more equitable, trustworthy, and smarter future for everyone, everywhere. Lenovo is listed on the Hong Kong stock exchange under Lenovo Group Limited (HKSE: 992) (ADR: LNVGY). This transformation together with Lenovo's world-changing innovation is building a more inclusive, trustworthy, and smarter future for everyone, everywhere. To find out more visit www.lenovo.com, and read about the latest news via our StoryHub.