Principal AI/ML Engineer

Posted 24 Minutes Ago
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Bengaluru, Bengaluru Urban, Karnataka, IND
In-Office
Expert/Leader
Artificial Intelligence • Big Data • Healthtech • Information Technology • Machine Learning • Software • Analytics
The Role
Leads enterprise AI/ML architecture and implementation, including agentic AI, autonomous workflows, generative AI, LLMs, RAG, multi-agent systems, and AI platform engineering. Establishes LLMOps, MLOps, governance, monitoring, security, and responsible AI practices across Azure and GCP. Provides technical leadership, mentorship, architecture guidance, and stakeholder collaboration while driving modernization and scalable production deployment of AI solutions.
Summary Generated by Built In
Requisition Number: 2386971
Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health optimization on a global scale. Join us to start Caring. Connecting. Growing together.
Primary Responsibilities:
  • Serve as the technical leader for major commercial initiatives, driving the architecture, design, and implementation of enterprise-scale AI solutions that transform business processes, operations, and customer experiences
  • Lead the development of Agentic AI and autonomous workflow platforms that automate complex business processes, orchestrate enterprise systems, and enable intelligent decision-making at scale
  • Design and implement advanced Generative AI solutions leveraging Large Language Models (LLMs), Retrieval Augmented Generation (RAG), prompt orchestration, vector databases, knowledge graphs, and AI agents
  • Architect and build enterprise-grade multi-agent systems utilizing Agent-to-Agent (A2A) communication patterns, Model Context Protocol (MCP) standards, tool integration frameworks, and intelligent workflow orchestration capabilities
  • Drive AI-powered workflow automation initiatives by integrating AI agents with business applications, APIs, legacy systems, databases, and enterprise platforms to modernize critical operational processes
  • Establish best practices for prompt engineering, prompt optimization, evaluation frameworks, grounding strategies, context management, and response quality assurance across AI applications
  • Lead the fine-tuning, adaptation, optimization, and deployment of foundation models and domain-specific LLMs to improve business relevance, response quality, and operational effectiveness
  • Design and implement scalable AI/ML platforms supporting model training, inference, evaluation, observability, monitoring, governance, security, and lifecycle management
  • Collaborate with product managers, business stakeholders, architects, and engineering teams to identify modernization opportunities and translate business requirements into AI-driven solutions with measurable outcomes
  • Provide technical leadership and mentorship to AI/ML engineers, software engineers, and architects by conducting architecture reviews, code reviews, design workshops, and technical coaching
  • Establish LLMOps, MLOps, and AI governance frameworks covering model lifecycle management, automated testing, evaluation pipelines, deployment automation, performance monitoring, and continuous improvement
  • Drive adoption of AI engineering standards for responsible AI, model safety, security, explainability, auditability, privacy protection, and regulatory compliance
  • Architect hybrid-cloud AI solutions across Azure and Google Cloud Platform (GCP) environments, enabling scalable and cost-effective deployment of enterprise AI services
  • Evaluate emerging AI technologies, frameworks, foundation models, and industry trends, providing technical recommendations that accelerate modernization and innovation initiatives
  • Partner with enterprise architecture, cybersecurity, infrastructure, and platform teams to establish reusable AI assets, engineering patterns, and reference architectures across the organization
  • Broad business approach
  • Resource to senior leadership
  • Develops pioneering approaches to emerging industry trends
  • Comply with all applicable Company policies, procedures, and business directives, changes including those relating to work location, team assignments, work schedules, and flexible work arrangements.

Required Qualifications:
  • Bachelor's or Master's degree in Computer Science, Artificial Intelligence, Machine Learning, Software Engineering, Data Science, or a related technical discipline
  • 12+ years of professional software engineering, platform engineering, or AI/ML engineering experience with at least 5+ years focused on Artificial Intelligence, Machine Learning, and Generative AI solutions
  • Proven experience designing and delivering enterprise-scale AI/ML platforms, intelligent automation solutions, and mission-critical software systems in production environments
  • Hands-on experience building and deploying AI agents, multi-agent systems, autonomous workflows, and enterprise automation frameworks
  • Solid experience implementing Model Context Protocol (MCP), Agent-to-Agent (A2A) integrations, tool-calling frameworks, and enterprise AI orchestration patterns
  • Experience with Azure OpenAI, OpenAI APIs, and cloud-native AI services across Azure and Google Cloud Platform (GCP)
  • Experience with LLMOps, MLOps, CI/CD pipelines, model monitoring, observability, experimentation frameworks, and production AI governance
  • Deep expertise in Generative AI technologies, including Large Language Models (LLMs), Retrieval Augmented Generation (RAG), prompt engineering, prompt optimization, embeddings, vector databases, and foundation model architectures
  • Demonstrated expertise in LLM fine-tuning, model adaptation techniques, evaluation frameworks, reinforcement learning concepts, and optimization strategies
  • Solid understanding of AI platform engineering, distributed systems, microservices architecture, containerization, Kubernetes, API design, and event-driven architectures
  • Proven ability to influence technical strategy, lead architecture decisions, and mentor engineering teams without direct managerial responsibility
  • Proven solid programming skills in Python and experience with modern AI frameworks such as LangChain, LangGraph, OpenAI SDKs, Hugging Face, and related ecosystems
  • Proven excellent communication, stakeholder management, and cross-functional collaboration skills with the ability to communicate complex AI concepts to both technical and business audiences

Preferred Qualifications:
  • Relevant certifications in Azure, Google Cloud, Machine Learning, Data Engineering, Generative AI, or Cloud Architecture
  • Experience leading large-scale modernization or digital transformation programs involving AI-driven process automation and intelligent workflow orchestration
  • Experience within healthcare, insurance, payer, financial services, or other highly regulated industries
  • Experience implementing enterprise AI observability platforms, model evaluations, guardrails, hallucination detection, and quality monitoring solutions
  • Experience developing reusable AI platforms, agent marketplaces, AI accelerators, or enterprise AI frameworks used across multiple business units
  • Knowledge of Responsible AI, AI governance, security controls, privacy requirements, model risk management, and compliance frameworks
  • Familiarity with knowledge graphs, semantic search, enterprise search platforms, graph databases, and advanced reasoning systems

At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone-of every race, gender, sexuality, age, location and income-deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalized groups and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes - an enterprise priority reflected in our mission.

Skills Required

  • Bachelor's or Master's degree in Computer Science, Artificial Intelligence, Machine Learning, Software Engineering, Data Science, or a related technical discipline
  • 12+ years of professional software engineering, platform engineering, or AI/ML engineering experience, including at least 5+ years focused on AI, Machine Learning, and Generative AI solutions
  • Experience designing and delivering enterprise-scale AI/ML platforms, intelligent automation solutions, and mission-critical production software systems
  • Experience building and deploying AI agents, multi-agent systems, autonomous workflows, and enterprise automation frameworks
  • Experience implementing Model Context Protocol, Agent-to-Agent integrations, tool-calling frameworks, and enterprise AI orchestration patterns
  • Experience with Azure OpenAI, OpenAI APIs, and cloud-native AI services across Azure and Google Cloud Platform
  • Experience with LLMOps, MLOps, CI/CD pipelines, model monitoring, observability, experimentation frameworks, and production AI governance
  • Expertise in Generative AI technologies, including LLMs, RAG, prompt engineering, embeddings, vector databases, and foundation model architectures
  • Expertise in LLM fine-tuning, model adaptation, evaluation frameworks, reinforcement learning concepts, and optimization strategies
  • Understanding of AI platform engineering, distributed systems, microservices, containerization, Kubernetes, API design, and event-driven architectures
  • Ability to influence technical strategy, lead architecture decisions, and mentor engineering teams without direct managerial responsibility
  • Strong programming skills in Python and experience with LangChain, LangGraph, OpenAI SDKs, Hugging Face, and related ecosystems
  • Excellent communication, stakeholder management, and cross-functional collaboration skills
  • Relevant certifications in Azure, Google Cloud, Machine Learning, Data Engineering, Generative AI, or Cloud Architecture
  • Experience leading large-scale modernization or digital transformation programs involving AI-driven automation and intelligent workflow orchestration
  • Experience in healthcare, insurance, payer, financial services, or other highly regulated industries
  • Experience implementing enterprise AI observability, model evaluations, guardrails, hallucination detection, and quality monitoring solutions
  • Experience developing reusable AI platforms, agent marketplaces, AI accelerators, or enterprise AI frameworks
  • Knowledge of Responsible AI, AI governance, security controls, privacy requirements, model risk management, and compliance frameworks
  • Familiarity with knowledge graphs, semantic search, enterprise search platforms, graph databases, and advanced reasoning systems

What the Team is Saying

Optum Compensation & Benefits Highlights

  • Leave & Time Off Breadth — Paid time off is often regarded as generous, with meaningful accrual and flexibility to use it. While practices can vary by team, the overall time-off offering stands out as a relative strength.
  • Retirement Support — A 401(k) plan with employer matching is available and generally well-regarded for supporting long-term savings. It remains valuable, though candidates should verify the current match formula.
  • Parental & Family Support — Programs such as parental leave, family medical leave, and adoption assistance are included as notable elements of the total rewards package. These resources can meaningfully support work-life balance when applicable to the role and location.

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The Company
HQ: Eden Prairie, MN
160,000 Employees
Year Founded: 2011

What We Do

Optum, part of the UnitedHealth Group family of businesses, is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health optimization on a global scale. Join us to start Caring. Connecting. Growing together. At Optum, we support your well-being with an understanding team, extensive benefits and rewarding opportunities. By joining us, you’ll have the resources to drive system transformation while we help you take care of your future. We recognize the power of connection to drive change, improve efficiency and make a difference in health care. Join a team where your skills and ideas can make an impact and where collaboration is key to creating technology that produces healthier outcomes.

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Optum Offices

Hybrid Workspace

Employees engage in a combination of remote and on-site work.

Optum has three workplace models that balance the needs of the business and the responsibilities of each role. These models, core on‑site (5 days/week), hybrid (4 days/week) and telecommute or fully remote, vary by country, role and location.

Typical time on-site: Not Specified
HQEden Prairie, MN
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