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:

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.

A Security Logging Engineer partners with ESRO Cyber Defense Teams to build, customize and distribute Security Log Solutions for on-prem and in the cloud systems.   Work alongside the top Google SecOps engineers in the company to ensure our pipelines feeding SecOps are as efficient, reliable and cost effective as possible.   ESRO Security Logging Team and ESRO Cyber-Defense teams both utilize the same workload software which produces a seamless workflow, a quicker time-to-deliver, and partnerships that offer focused value.   We work with platform owners across the enterprise to provide support and education around the security events their platforms produce. We deliver world-class event pipelines tailored for each owner's platform.

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

Primary Responsibilities of the Senior Security Software Engineer:

Design & develop log solutions technologies with a key focus on Google SecOps, BindPlane, Beats, LogStash and Kafka

Build, design and develop new Log Collection systems for on-prem and cloud environments, AWS, Azure & GCP

Build and support pipeline monitoring and alerting tools like GCP Monitoring and ECE Monitoring as needed

Respond and troubleshoot platform alerts and high priority incidents and on-call alert pages

Facilitation of Change Requests (pipeline deployments, upgrades, breakfixes etc...)

Create a training plan to enhance your understanding of cloud key focus technologies like Terraform and AWS Lambda serverless computing as well as other key cloud technologies for AWS, Azure and GCP

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 of Science Degree in Computer Science or similar OR equivalent experience

Proven experience working within log collection setup and development

Proven experience with RHEL Linux Server OS

Experience working with Google SecOps basic search queries

Experience with BindPlane, LogStash, Kafka, and GitHub Operations

Proficiency in Scripting/Programming with Python and Go

Preferred Qualifications:

Proven ability to work on high and low-level designing

Experience with Cloud Solution designs and setup for AWS, GCP and Azure

Excellent understanding of Amazon Kinesis Data Streams

Advanced Experience with RHEL Linux OS Commands

Advanced Experience with Go & Python Scripting/Programming

Soft Skills:

Good communication skills

Good problem-solving attitude

Ability to work independently or as a team

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.

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: UnitedHealth Group is an Equal Employment Opportunity employer and all qualified applicants will receive consideration for employment without regard to disability, gender reassignment, marriage and civil partnership, pregnancy and maternity, race, religion or belief, sex, sexual orientation, or any other characteristic protected by law. UnitedHealth Group is a drug-free workplace. © 2025 UnitedHealth Group. All rights reserved.

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