Lead AI/ML Engineer - Remote

Optum Tech is a global leader in health care innovation. Our teams develop cutting-edge solutions that help people live healthier lives and help make the health system work better for everyone. From advanced data analytics and AI to cybersecurity, we use innovative approaches to solve some of health care's most complex challenges. Your contributions here have the potential to change lives. Ready to build the next breakthrough? Join us to start Caring. Connecting. Growing together.

You'll enjoy the flexibility to work remotely * from anywhere within the U.S. as you take on some tough challenges. For all hires in the Minneapolis or Washington, D.C. area, you will be required to work in the office a minimum of four days per week.

Primary Responsibilities

• Define and lead AI application architecture for ECS Big Bets and AI 10.0 initiatives, ensuring scalability, security, and compliance
• Design frameworks and patterns for LLMs, agentic workflows, multi-agent systems, and RAG-based solutions
• Provide thought leadership on AI technologies and best practices across the enterprise
• Stay hands-on for critical coding and integration tasks, ensuring technical depth and quality
• Collaborate with product, engineering, and compliance teams to align architecture with business and regulatory requirements
• Drive performance optimization, observability, and reliability for AI applications
• Establish governance standards, documentation, and reusable components for AI development
• Mentor senior engineers and guide teams on architectural decisions and advanced AI techniques
• Evaluate emerging AI tools and frameworks to future-proof enterprise solutions

You'll be rewarded and recognized for your performance in an environment that will challenge you and give you clear direction on what it takes to succeed in your role as well as provide development for other roles you may be interested in.

Required Qualifications

* 10+ years of softwar