Lead AI/ML Engineer Remote Nationwide or Office-Based in MN/DC

Job ID: 100811470336Posted: 2026-09-19Location: Tempe, Arizona, United StatesSalary: $145,500 - $249,500/yearJob Area: TechnologyCompany: UnitedHealth GroupOptum 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.The Lead AI/ML Engineer will lead the design, development, deployment, and scaling of enterprise AI/ML solutions that improve clinical outcomes, patient engagement, operational efficiency, and regulatory compliance. This role is responsible for driving engineering best practices, MLOps excellence, and production-scale machine learning solutions while partnering with cross-functional teams to deliver innovative healthcare products leveraging structured and unstructured data. Combining deep technical expertise with technical leadership, this role involves hands-on development, architecture guidance, and mentorship of engineers while enabling enterprise-wide AI adoption.If you are located in MN or DC, you will have the flexibility to work remotely* as you take on some tough challenges. This position follows a office-based schedule with four in-office days per week.Primary Responsibilities:Lead the end-to-end design, development, deployment, and operationalization of production-grade machine learning models and AI-enabled software solutionsBuild and support scalable, cloud-based AI/ML systems, data pipelines, and feature workflows for both batch and real-time workloadsEstablish and drive MLOps practices, including model orchestration, CI/CD automation, testing, drift detection, automated retraining, and operational governanceManage, monitor, and optimize production machine learning systems to ensure high reliability, scalability, and performanceApply advanced AI/ML techniques-such as Natural Language Processing (NLP), deep learning, computer vision, foundation models, and modern AI architectures-to address complex healthcare challengesProvide technical leadership, architecture guidance, and mentorship to engineers while driving engineering excellence across cross-functional teamsPartner with product management, data science, architecture, and business stakeholders to translate strategic requirements into deliverable AI capabilities and communicate technical approaches to leadershipYou'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:Bachelor's degree or 5+ years of software engineering / machine learning engineering experience in lieu of degree5+ years of software engineering experience across all phases of the Software Development Life Cycle (SDLC)3+ years of experience designing, developing, and deploying production-grade machine learning solutions in cloud environments (Azure, AWS, or GCP)3+ years of programming experience with Python and SQL or PySpark2+ years of experience implementing CI/CD pipelines and automated deployment practices for production software deliveryExperience working with large-scale distributed data and computing platformsPreferred Qualifications:Master's degree or PhD in Computer Science, Artificial Intelligence, Machine Learning, Data Science, or a related quantitative fieldExperience with enterprise AI/ML platforms such as Databricks, Azure Machine Learning, or SnowflakeExperience building and deploying Generative AI, Large Language Models (LLMs), NLP, or advanced analytics solutionsExperience working within regulated healthcare, payer, provider, or clinical environmentsExpertise in MLOps practices including model monitoring, drift detection, model governance, and automated retrainingDemonstrated ability to lead complex technical initiatives and influence engineering strategy across teams*All employees working remotely will be required to adhere to UnitedHealth Group's Telecommuter PolicyPay is based on several factors including but not limited to local labor markets, education, work experience, certifications, etc. In addition to your salary, we offer benefits such as, a comprehensive benefits package, incentive and recognition programs, equity stock purchase and 401k contribution (all benefits are subject to eligibility requirements). No matter where or when you begin a career with us, you'll find a far-reaching choice of benefits and incentives. The salary for this role will range from $145,500 - $249,500 annually based on full-time employment. We comply with all minimum wage laws as applicable.Application Deadline: This will be posted for a minimum of 2 business days or until a sufficient candidate pool has been collected. Job posting may come down early due to volume of applicants.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.UnitedHealth Group is an Equal Employment Opportunity employer under applicable law and qualified applicants will receive consideration for employment without regard to race, national origin, religion, age, color, sex, sexual orientation, gender identity, disability, or protected veteran status, or any other characteristic protected by local, state, or federal laws, rules, or regulations.UnitedHealth Group is a drug-free workplace. Candidates are required to pass a drug test before beginning employment.