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

About the role

At UnitedHealth Group and Optum, we want to make healthcare work better for everyone. This depends on hiring the best and brightest. With a thriving ecosystem of investment and innovation, our business in Ireland is constantly growing to support the healthcare needs of the future.

Our teams are at the forefront of building and adapting the latest technologies to propel healthcare forward in a way that better serves everyone. With our hands at work across all aspects of health, we use the most advanced development tools, AI, data science and innovative approaches to make the healthcare system work better for everyone.

As a Cloud Engineer, you will help design, build, and operate the secure Azure cloud platforms that support data, machine learning, and generative AI capabilities for products serving U.S. healthcare. You will work hands-on with infrastructure, automation, CI/CD, observability, and production support, partnering with engineering, data science, security, and product teams to deliver reliable, scalable, and compliant cloud solutions.

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.

What you will do

• Design, build, and run secure, scalable Azure cloud infrastructure for data, machine learning, and generative AI workloads
• Develop reusable Infrastructure as Code templates and automation to support repeatable, reliable platform delivery
• Build and maintain CI/CD pipelines for cloud infrastructure, application services, and AI-enabled workloads
• Implement monitoring, alerting, logging, and observability practices to ensure platform performance and reliability
• Partner with engineering, data science, security, and product teams to deliver cloud solutions that meet business, compliance, and operational needs
• Support production systems through incident response, troubleshooting, root cause analysis, and continuous improvement
• Apply cloud security, identity, networking, and data protection best practices across platform services
• Optimize cloud usage, cost, performance, and scalability across environments
• Create and maintain technical documentation, operational runbooks, and platform standards
• Contribute to disaster recovery, business continuity, and resilience planning for critical cloud services
• 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.

What you will bring

• Bachelor's degree in a relevant field, or equivalent practical experience
• Proven hands-on experience designing, building, and supporting cloud infrastructure within enterprise environments, with demonstrated experience working with Microsoft Azure
• Proven experience utilizing Infrastructure as Code and automation technologies such as Terraform, Pulumi, or similar tools
• Demonstrated solid understanding of CI/CD practices, version control, automated testing, and supporting services through production release cycles
• Proven experience administering and troubleshooting Linux-based systems within enterprise or service provider environments
• Demonstrated working knowledge of cloud networking concepts, including virtual networks, routing, DNS, load balancing, firewalls, and private connectivity
• Demonstrated understanding of cloud security, identity and access management, secrets management, and data protection principles for sensitive data
• Proven experience utilizing monitoring, logging, alerting, incident response, root cause analysis, and continuous improvement practices for production systems

Other useful skills and experience

Microsoft Azure certification, such as Azure Administrator Associate, Azure Developer Associate, Azure Solutions Architect Expert, Azure DevOps Engineer Expert, or equivalent certification

Proven experience working with Kubernetes, containerized workloads, or managed container platforms such as Azure Kubernetes Service (AKS)

Proven experience supporting data engineering, machine learning, MLOps, or Generative AI platform workloads

Demonstrated familiarity with Azure monitoring, logging, policy, governance, and cost management capabilities

Proven experience working within Agile and Scrum delivery environments

Proven experience working within regulated, enterprise-scale environments, including healthcare or sensitive data platforms

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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