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. Join us to start Caring. Connecting. Growing together.

The Clinical Terminologist will lead and develop innovative approaches to meeting complex internal customer clinical terminology (code systems, value sets and cross maps) needs. They will contribute to the development and maintenance of our library of clinical terminology content to support numerous clinical applications and systems including clinical decision support, population health management, quality reporting, utilization management among many others. Leveraging their clinical and informatics knowledge, specifically with respect to clinical data, along with their experience with terminology this role will lead complex projects working with internal customers to anticipate and define their clinical terminology requirements and ensure delivery of high-quality clinical terminology products that their needs are met. Careful attention to informatics best practices and editorial standards will be needed to ensure high quality content development.

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:

• Independently lead complex terminology projects while ensuring high attention to detail
• Provides expert authoring and maintenance, along with peer review for colleagues, of clinical terminology content in accordance with editorial standards and best practices
• Independently lead complex projects with internal customers to anticipate, define and deliver on clinical terminology needs to support internal customer use cases
• Serves as a subject matter expert on complex terminology challenges across the enterprise
• Provide mentorship to team members with regards to terminology expertise and practice
• As a leader ensure adherence to ongoing governance of editorial standards for terminology content management, including peer review of content
• Advise on interoperability standards that apply to clinical terminologies
• Ensure existing terminology content library stays up to date as underlying code systems update
• Actively participates in terminology services product roadmap development to ensure adequate planning and resource forecasting

You will 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 providing development for other roles you may be interested in.

Required Qualifications:

• Proven solid experience in authoring and maintaining clinical terminology content (code systems, value sets and cross maps)
• Demonstrated solid working knowledge of reference terminologies, e.g., SNOMED CT, ICD-10 CM/PCS, CPT, HCPCS, RxNorm, NDC and LOINC
• Demonstrated proficiency with editorial standards and best practices for value set authorship and maintenance, including intensional (rule based) and extensional approaches
• Demonstrated proficiency with value set authoring tool sets, e.g., Value Set Authority Center, Symedical, Health Language, Apelon, etc.
• Proven professional clinical experience

Preferred Qualifications:

• Proven experience with Electronic Health Record (EHR) implementation and/or optimization
• Demonstrated experience with FHIR and HL7 v2
• Proven experience in data analysis and pipeline development
• Demonstrated experience with Python, including AI assisted development

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.

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.

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. © 2026 Optum Services (Ireland) Limited. All rights reserved.

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