Principal AI/ML Engineer
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 diversity and inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health equity on a global scale. We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.
Careers with Optum offer flexible work arrangements and individuals who live and work in the Republic of Ireland will have the opportunity to split their monthly work hours between our Dublin or Letterkenny office and telecommuting from a home-based office in a hybrid work model.
Primary Responsibilities
Apply advanced statistical and predictive modeling techniques to optimize healthcare and digital experiences
Propose innovative ways to look at problems using data mining, statistical analysis, and machine learning
Seek out new data sources and verify integrity of data to fill gaps and improve models
Collaborate effectively with internal clients, transforming their needs into analytics, predictive modeling, and business intelligence use cases
Communicate findings, verbally and visually, to business partners and clients
Provide tracking and monitoring of model performance and recommend ongoing improvements to methods and algorithms
Lead and mentor junior data scientists and engineers
Required Qualifications
MS degree (or BS degree with equivalent experience) in computer science, applied mathematics, (bio) statistics, applied statistics, economics, or similar quantitative fields of study
Proven track record in analytics and ML modeling using traditional and deep learning techniques in industry and/or academia
Proven solid statistics and ML fundamentals
Demonstrated skills in python and state-of-the-art traditional and deep learning ML frameworks (e.g., scikit-learn, pytorch, tensorflow, pyspark)
Proven experience with the full ML system development, deployment, and maintenance lifecycle
Preferred Qualifications
Ph.D. degree in computer science, applied mathematics, (bio) statistics, applied statistics, economics, or similar quantitative fields of study
Proven experience in developing and deploying algorithms and ML models for forecasting (e.g., credit risk, demand and supply prediction), search engines (e.g., name entity recognition, intent classification, question answering, spelling correction, autocompletion), automatic speech recognition, machine translation, cold-start recommendations, semi-supervised learning (e.g., positive unlabeled learning)
Proven solid analytical and problem-solving skills
Proven ability to translate business needs and requirements into technical solutions
Please note you must currently be eligible to work and remain indefinitely without any restrictions in the country to which you are making an application. Proof will be required to support your application.
Diversity creates a healthier atmosphere: Optum is an Equal Employment Opportunity employer and all qualified applicants will receive consideration for employment without regard to gender, civil status, family status, sexual orientation, disability, religion, age, race, and membership of the Traveller community, or any other characteristic protected by law. Optum is a drug-free workplace. © 2025 Optum Services (Ireland) Limited. All rights reserved.
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