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.

We are hiring an Operational Database Administrator (ODBA) to join Optum. This role is responsible for the end to end management of enterprise database environments, ensuring high availability, performance, security, and compliance. You'll handle installation, configuration, upgrades, backup and disaster recovery, while proactively monitoring and tuning databases across multiple environments and data centers. Working closely with application, infrastructure, and integration teams, you'll support 24×7 operations and ensure all database platforms meet HIPAA and organizational security standards.

We are open to reviewing applications from candidates based outside of Ireland. Visa sponsorship and relocation support will be provided for the right candidate.

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

Primary Responsibilities:

• Install, configure, upgrade, and patch enterprise database environments
• Manage database performance, availability, capacity planning, and tuning
• Perform backup, recovery, and disaster recovery testing; document recovery procedures
• Implement and monitor automated backup schedules (daily, weekly, monthly)
• Troubleshoot replication, performance, storage, and reliability issues
• Maintain database security, roles, access controls, and audit logging
• Conduct proactive health checks, log reviews, and system monitoring
• Support environment refreshes, upgrades, and hardware migrations
• Maintain operational runbooks, configuration documentation, and support guides
• Collaborate with application, infrastructure, and integration teams
• Support multiple data centers, virtual environments, and on call rotations (24x7)
• Ensure compliance with HIPAA and organizational security standards

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:

• Bachelor's degree in Computer Science, Information Systems, or a related field
• Epic Operational DBA (ODBA) or Cogito Systems Administration or Epic Client Systems Administration (ECSA) Certification
• Proven solid database administration or data engineering experience
• Proven solid Linux/Unix administration experience (RHEL, SUSE, or CentOS)
• Proven experience with database performance tuning (queries, indexes, system parameters)
• Proven experience troubleshooting replication and high availability environments
• Demonstrated familiarity with virtualization and storage platforms (VMware, SAN)
• Proven programming or scripting experience in at least one language (Python, Java, .NET, C++, etc.)
• Proven solid analytical, troubleshooting, documentation, and collaboration skills
• Willingness to work U.S. business hours, support multiple time zones, and participate in a 24x7 on call rotation

Preferred Qualifications:

• Proven hands on experience with backup/recovery tooling and DR testing (e.g., Rubrik or equivalent)
• Proven scripting or automation experience (Shell, PowerShell, Ansible)
• Proven experience administering InterSystems IRIS / Caché environments
• Proven Epic database administration experience (Chronicles, Clarity, Caboodle)
• Proven experience supporting Epic upgrades, patching, environment refreshes, and DR testing
• Demonstrated familiarity with Epic operational tools (e.g., TADR, System Pulse)
• Proven experience supporting healthcare EHR environments and workflows
• Proven exposure to HealthShare / Ensemble / IRIS integrations
• Proven experience with SQL Server or Oracle for reporting environments
• Proven cloud or hybrid DR experience (AWS, Azure)
• Demonstrated knowledge of healthcare compliance and clinical workflows

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.