AI Lead Engineer (Stamford, CT)

Great company. Great people. Great opportunities.

If you'd like the chance to make your mark with the world's largest equipment rental provider, come build your future with United Rentals!

United Rentals is seeking an AI Lead Engineer to drive the design and delivery of intelligent, scalable, and secure AI solutions that support our strategic business initiatives. You will lead efforts to leverage advanced technologies-including Amazon Bedrock, SageMaker, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), vector databases, and prompt engineering-to create next-generation systems that transform how we serve customers and operate at scale. This role requires a strong foundation in cloud-native architecture, MLOps, and data engineering, coupled with the ability to partner across business and technology teams to deliver impactful AI solutions. As a leader, you will guide and mentor engineers while shaping the company's AI strategy and technology roadmap.

This role is a hybrid based in Stamford, CT

What you'll do:

• AI Solution Design & Delivery

• Architect, design, and implement AI-powered applications using AWS services (Amazon Bedrock, SageMaker, Lambda, ECS, S3, API Gateway, etc.).

• Develop and manage vectorization pipelines to enable RAG and LLM-driven solutions.

• Ensure AI architectures integrate seamlessly with SQL, NoSQL, and enterprise data platforms.

• MLOps & Best Practices

• Establish standards for model deployment, monitoring, and lifecycle management.

• Champion secure, scalable, and extensible AI architectures.

• Continuously modernize hybrid on-premise and cloud environments.

• Leadership & Collaboration

• Provide technical leadership in generative AI, AI agents, AI tools, and knowledge retrieval systems.

• Partner with business stakeholders to align AI solutions with strategic goals.

• Direct, mentor, and develop engineering staff by setting clear goals, providing feedback, and building career growth paths.

• Foster a culture of collaboration, innovation, and continuous learning.

• Innovation & Strategy

• Evaluate and recommend emerging AI technologies for enterprise adoption.

• Contribute to IT strategic planning, including the deprecation of legacy systems.

• Serve as a thought leader, influencing the future direction of AI across the organization.

Requirements:

• Bachelor's or Master's degree in Computer Science, Data Science, or related field.

• 10+ years of experience in software engineering and architecture, with at least 3-5 years in AI/ML solution design.

• Deep expertise in AWS cloud services (Bedrock, SageMaker, Lambda, API Gateway, etc.).

• Strong knowledge of LLMs, RAG pipelines, embeddings, and vector databases (e.g., Pinecone, FAISS, Weaviate).

• Experience designing data pipelines (ETL/ELT) and integrating SQL & NoSQL systems.

• Proficiency with MLOps frameworks and tools.

• Hands-on expertise in Python and ML frameworks (TensorFlow, PyTorch, Hugging Face).

• Proven leadership skills with a track record of developing high-performing teams.

• Exceptional communication, collaboration, and problem-solving abilities.

Why join us?

We don't just "talk the talk!" We're an award-winning company (recently named a Glassdoor Best Place to Work in 2023) that truly cares about our people - That's why we offer best-in-class benefits and perks that will support you and your family. In addition to our health and financial plans, we also offer:

• Paid Parental Leave

• United Compassion Fund (

• Employee Discount Program

• Career Development & Promotional Opportunities

• Additional Vacation Buy Up Program (US Only)

• Early Wage Access through Payactiv (US Hourly Only)

• Paid Sick Leave

• An inclusive and welcoming culture (

Learn more about our full US benefit offerings ( here.

United Rentals, Inc. is an Equal Opportunity Employer and makes employment decisions regardless of race, color, religion, sex, national origin, age, genetic information, citizenship status, veteran status, sexual orientation, gender identity, disability, or any other status protected by law. If you need a reasonable accommodation at any point of the application process, please email for assistance.

At United Rentals, we proudly hire active duty members, veterans, reservists, and their families. The values that define your service-leadership, discipline, integrity, and teamwork-are the same values that drive our success. With many veterans already part of our team, we're ready to help you transition into a rewarding career.

United Rentals consists of a wide variety of roles with different duties and responsibilities. The actual pay rate offered to candidates varies depending upon a wide range of factors including specific position, location, education, training, experience, skills, and ability.