Remote: Senior AI/ML Engineer — Enterprise-Scale AI & LLMs

Optum; Eden Prairie (MN); Remote; USD 120,000 - 215,000; Full time

Benefits offered by this job

Comprehensive benefits

Equity stock purchase

401k contribution

Telecommuter policy

Job summary

Optum seeks a Senior AI/ML Engineer to design, build, and operationalize AI capabilities for the Enterprise Finance organization. You will lead AI-powered solutions including LLM applications, RAG, and intelligent agents, partnering with Finance, Data Engineering, Architecture, Security, and Responsible AI teams.

You’ll enjoy the flexibility to telecommute from anywhere in the U.S., tackling challenges in a governance‑driven, production-ready environment and delivering scalable AI that informs

Qualifications

• 3+ years of experience in software engineering, machine learning, or AI engineering
• 2+ years of experience with cloud-native architectures, APIs, and scalable software systems
• 1+ years of hands-on experience building and deploying generative AI and LLM-based applications in production environments

Responsibilities

• Design, develop, and deploy AI-powered solutions and architectures—LLM workflows, prompt orchestration chains, agent-based solutions, RAG applications, and decision-support capabilities
• Develop advanced prompt strategies, grounding approaches, tool-calling patterns, guardrails, and fallback mechanisms to improve solution quality
• Partner with Data Engineering to access trusted, governed enterprise data sources
• Establish evaluation frameworks, datasets, scoring rubrics, and model-performance benchmarks
• Monitor and optimize output quality, relevance, accuracy, latency, and cost efficiency
• Conduct failure-mode analysis and implement continuous improvements to AI systems and workflows
• Collaborate with Quality Engineering, Responsible AI, Security, Privacy, Compliance, and Enterprise Architecture
• Document AI solution behaviors, limitations, risk controls, and monitoring requirements
• Support production readiness through observability and drift detection
• Evaluate emerging AI trends and tools to inform design and governance

Skills

Software engineering

Cloud-native architectures

Generative AI in production

Education

Master's degree

Job description

Optum seeks a Senior AI/ML Engineer to design, build, and operationalize AI capabilities for the Enterprise Finance organization. You will lead AI-powered solutions including LLM applications, RAG, and intelligent agents, partnering with Finance, Data Engineering, Architecture, Security, and Responsible AI teams.

You’ll enjoy the flexibility to telecommute from anywhere in the U.S., tackling challenges in a governance‑driven, production-ready environment and delivering scalable AI that informs