Optum is a global organisation 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. Join us to start Caring. Connecting. Growing together.
As a Fortune 5 business, we’re one of the world’s leading healthcare companies. There are no limits here on the resources you’ll have or the challenges you’ll encounter.
We have been supporting global healthcare systems from Ireland and the UK for more than 20 years, building a dynamic and diverse team of more than 2,100 talented individuals. With a continued record of growth and stability, we’re on the constant lookout for fresh talent to join our expanding teams.
As a Senior Data Scientist, you will play a crucial role in the development and implementation of advanced reporting, analytic approaches, and tooling. You will work closely with other team members to improve the efficiency and effectiveness of the entire organisation. We’re looking for a skilled Data Scientist who thrives on architecting new solutions to solve tough challenges, and to help us on our mission of helping people live healthier lives.
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 office and telecommuting from a home-based office in a hybrid work model.

REQUIRED QUALIFICATIONS:

• Bachelor’s Degree in relevant field (data science, analytics, mathematics, economics, business, statistics, engineering, or finance) or equivalent experience
• Expert level of proficiency in SQL, and at least one scripting language such as SAS, R, or Python
• Advanced level of proficiency with Data Visualisation / Dashboard tools (e.g., Power BI)
• Experience working within a software development team and using version control systems such as Git

PREFERRED QUALIFICATIONS:

• Masters degree or PhD in a technical field (e.g. computer science, science, engineering, math / stats, physics etc.)
• Core knowledge of statistics, machine-learning and numerical / computational methods with experience in the application of these methods to business problems
• Extensive programming experience with Python/Pyspark or other analytics languages
• Experience of large-scale distributed computing environments (Hadoop, Hive, Databricks etc)
• Experience developing analytical solutions on cloud computing platforms i.e. Azure
• Experience applying deep learning methods to business problems using TensorFlow, Keras, etc.
• Experience with supervised and unsupervised learning methods for model build and deployment
• Experience applying computational algorithms and statistical methods to structured and unstructured data
• Experience of the US Healthcare sector
• Advanced experience in Machine Learning or AI model development and deployment
• Experience building data engineering pipelines using frameworks such as Apache Airflow
  All telecommuters will be required to adhere to the UnitedHealth Group’s Telecommuter Policy.
  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 marginalised 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.
  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.

• Be an independent thinker and advocate of data science methods and applications
• Research, develop and apply new innovative analytics methods and technologies from other domains to healthcare data
• The ability for critical thinking outside your immediate sphere of responsibility
• Work with autonomy and in partnership with other Data Scientists to find solutions to complex problems
• Leverage technical / analytical expertise across the enterprise to architect, deploy and oversee analytics and technology solutions
• Prototype new products and solutions that have the capability to transform the industry
• Ability to articulate and paint a vision, with strong communication and presentation skills, as well as strengths in translating highly complex concepts, results, models and technologies in ways that can be understood by a variety of audiences
• Be familiar with the state-of-the-art around big data analytics and associated technologies and techniques
• Have experience with Commercial environments and/or Products (not just internal focused)
• Be a leader for a variety of projects including proofs of concept, new product / component development, and reengineering initiatives among others
• Work as part of a small team, sharing ideas and contributing to the strategic goals
  You will be rewarded and recognised 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 providing development for other roles you may be interested in.