Senior Data Engineer

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. 

About the Role:

In healthcare, evolution doesn’t just happen. It takes innovation, imagination, and a passion for solving problems in new and better ways. And innovation is taking place at a lightning-fast pace every day at Optum. 
As the fastest growing part of the UnitedHealth Group family of businesses, we’re expanding our team in Ireland and creating excellent opportunities for those who want greater purpose and more impact in their work. We’ll provide the investment, support, and resources to advance your career. You’ll provide the talent, ambition, and drive. 

As a Senior Data  Engineer at Optum, you’ll working with data that drives Consumer Analytics focused on making decisions easier for members. Helping save members on healthcare costs. This team will be working on data transformation to enrich consumer data,, improve accuracy of predictive models, drive organizational efficiencies and save costs.

You will be work with a team that is focused on the integration of multiple complex data sources into our existing Azure big data platform using Modern Data Stack tools such as DBT-Core, Snowflake, Terraform, Python, Databricks among others.

You will be innovative, knowledgeable, and highly informed in the area of Data Engineering. You will have knowledge and experience of developing proofs of concept and products that are effective, cost-efficient and reflect industry best-practice. 

You will work closely with the product team to understand business needs and priorities. You will use innovation and teamwork to deliver on the business needs in an effective, efficient, and maintainable manner. You will be supported in this by Data Engineers, Data Modellers, Infrastructure Engineers, Product Managers and Business Analysts.

You will maintain, support, and enhance the friendly, open, honest, inquisitive and effective culture that is currently in place in the Data Engineering team.

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 and telecommuting from a home-based office in a hybrid work model. 

Primary Responsibilities:

•    Work within a team of skilled data engineers
•    Develop stakeholder relationships
•    Design innovative and best in class Data Architectures that comply with enterprise standards
•    Contribute to the planning of  data project implementations
•    Develop data pipelines to ingest and transform data using clean coding principles
•    Partner with Product Managers to design data structures and pipelines that meet and exceed the goals for the product.

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.

Required Qualifications:

•    Bachelor’s Degree or higher in Database Management, Information Systems, Computer Science or similar
•    Data Architecture experience
•    Excellent understanding of Kimball, Data Vault
•    Excellent SQL
•    Excellent understanding of Relational Theory.
•    Excellent understanding of Column-Store RDBMS (Snowflake, Redshift, Vertica, Clickhouse)
•    Data Integration Techniques
•    Data Modelling Techniques
•    Experience using cloud database technologies (AWS, GCP, Azure)

Preferred Qualifications:

•    Exposure to demanding regulatory environments
•    Experience with Data Quality and Data Security process, tools, and technologies (Great Expectations etc.)
•    Good demonstrable skills in: Analysis, Verbal Communication, Written Communication, Organization, Strategy, Persuasion
•    Humane, Empathetic management style
•    Drive and Results orientation
•    Ability to learn fast; Team work and collaboration skills

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.

For more information on our Internal Job Posting Policy, click here.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.