Senior AI/ML Engineer — Enterprise AI Agents

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

Job summary

Optum, a leading health services company, is seeking a Sr AI/ML Engineer to advance AI-driven agentic solutions within United AI Studio. You will design, implement, and deploy responsible AI experiences that integrate with enterprise tools and governance rails, influencing production workflows and cost-aware execution.

You will collaborate across teams to expose AI capabilities via MCP tools, APIs, and enterprise gateways, delivering robust agentic workflows and scalable evaluation harnesses in

Qualifications

• Bachelor's degree or 5+ years of equivalent software/AI engineering experience.

Responsibilities

• Design, develop, and deploy AI-powered solutions to address complex business challenges with an emphasis on responsible use of AI
• Build agentic experiences end-to-end, managing tool design, context and state management, failure handling, retries, and cost/latency budgets from prototype through production behind enterprise gateways
• Design orchestration architectures, choosing between single agents, subagents, and deterministic pipelines, evaluating when a workflow should or should not be agentic
• Expose AI capabilities through channel-agnostic APIs and Model Context Protocol (MCP) tools with required authentication, scoping, and auditability
• Deliver agentic experiences into enterprise search and chat surfaces (e.g., Teams, Slack, Glean) using bot frameworks, connectors, and APIs
• Stand up evaluation harnesses for agent behavior using golden task sets, trajectory/end-state scoring, LLM-as-judge calibrated against human labels, and regression suites integrated into CI/CD pipelines
• Instrument production agents with tracing across tool calls, token/cost telemetry, and failure taxonomies, feeding real traces back into evaluation sets
• Test agents adversarially against prompt injections and tool output vulnerabilities, implementing necessary remediations
• Leverage enterprise-approved AI coding tools to streamline workflows, automate engineering tasks, and raise technical execution standards across teams

Skills

Backend engineering

APIs

Service integration

Agent frameworks

MCP servers/tools/plugins

LLM/agent evaluation

AI coding assistants

Education

Bachelor's degree or 5+ years equivalent software/AI engineering experience

Tools

LangGraph

Google ADK

AWS Strands

Claude Agent SDK

OpenAI Agents SDK

Pydantic AI

Job description

Optum, a leading health services company, is seeking a Sr AI/ML Engineer to advance AI-driven agentic solutions within United AI Studio. You will design, implement, and deploy responsible AI experiences that integrate with enterprise tools and governance rails, influencing production workflows and cost-aware execution.

You will collaborate across teams to expose AI capabilities via MCP tools, APIs, and enterprise gateways, delivering robust agentic workflows and scalable evaluation harnesses in