Optum · 4 hours ago
Principal AI/ML Engineer - Remote
United States
Full-time
Remote
Senior Level, Lead/Staff
$135K/yr - $231K/yr
10+ years expOptum is a global leader in health care innovation, developing solutions that enhance health systems and improve lives. The Principal AI/ML Engineer will drive end-to-end machine learning projects, build and deploy models, and mentor teams while contributing to AI/ML solutions that address complex healthcare challenges.
EducationHealth CareMedicalPharmaceutical
Responsibilities
Drive end-to-end Machine Learning projects that have a high degree of ambiguity, scale and complexity
Build Machine Learning models, perform proof-of-concept, experiment, optimize, and deploy your models into production; work closely with software engineers to assist in productionizing the ML models
Perform hands-on analysis and modeling of healthcare data sets to develop insights that increase business value
Run A/B experiments, gather data, and perform statistical analysis
Establish scalable, efficient, automated processes for large-scale data analysis, machine-learning model development, model validation and serving
Research and implement innovative machine learning approaches
Mentor and help recruit AI/ML scientists and machine learning engineers to the team
Present findings and insights to senior leadership and at internal venues
Be the thought leader in cutting-edge AI research and proactively pursue IP submissions
Qualification
Required
PhD in AI, computer science, data science, applied math or related technical fields
10+ years of industry/academic experience in machine learning or a related field
5+ years of building models for business application experience
5+ years leading technical teams
Experienced mathematical background, especially in optimization theory, stochastic algorithms, and/or numerical methods
Experience with state-of-the-art algorithms and topologies including, but not limited to: GNNs, GANs, Transformers, deep and wide, SSMs, LLMs among others
Experience with LLM alignment (DPO, PPO among others)
Solid Python programming skills and experience with deep learning frameworks such as PyTorch or TensorFlow
In-depth knowledge in Generative AI technology and Large Language Models (LLM) with focus in LLM optimization
Advanced understanding of Deep Learning with applications in NLP and multimodal modeling
Preferred
Experience in AI/ML in the healthcare and or Fintech sector
Experience working with cross-functional and distributed teams in a global and diverse environment
Experience in establishing AI/ML best practices, standards, and ethics
All employees working remotely will be required to adhere to UnitedHealth Group's Telecommuter Policy
Benefits
Comprehensive benefits package
Incentive and recognition programs
Equity stock purchase
401k contribution
Company
Optum
Optum is a healthcare company that provides pharmacy services, health care operations, and population health management. It is a sub-organization of UnitedHealth Group.
10001+ employees
H1B Sponsorship
Optum has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (648)
2024 (559)
2023 (620)
2022 (851)
2021 (593)
2020 (438)
Funding
Current Stage
Late StageLeadership Team
Daniel Castillo
Chief Executive Officer, Optum Care Delivery
J
Jay Green
Chief Financial Officer
Recent News
2025-11-29
2025-11-19
2025-11-07
Company data provided by crunchbase