Software Engineer - Mainframe

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 inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health optimization on a global scale.Join us to start Caring. Connecting. Growing together.

Software Engineer isresponsible for supporting UMR's Claim, Eligibility, & Billing applications in a Mainframe environment.  Resource must have strong analytical skills and strong communication skills to work with our UMR business partners and deliver work as expected.  Resource must be able to work independently and incorporate AI tools into daily activities to solve complex business problems in a very dynamic work environment.

You will enjoy the flexibility to telecommute* from anywhere within the U.S. as you take on some tough challenges.

Primary Responsibilities:

Solid understanding of software engineering processes: Design patterns, algorithms, data structures, schemas and queries, system design, unit testing, code reviews, agile and dev-ops

Analyze business requirements to develop software solutions that tackle complex business problems

Experience with end-to-end project handling

Actively participate in Scrum ceremonies

Provide support for application maintenance and support new development

Resolve production issues and perform root cause analysis to meet strict SLA's (Service Level Agreements)

Available for production deployments and troubleshooting during off hours/weekends

Design, develop, and deploy AI-powered solutions to address complex business challenges with emphasis on responsible use of AI

You'll 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 provide development for other roles you may be interested in.

Required Qualifications:

Bachelor's degree

3+ years of experience with COBOL, JCL, DB2, CICS, Rest API on an IBM Mainframe

in Computer Science, IT or Engineering related field

3+ years of experience working within the Software Development Life Cycle

3+ years of experience with Mainframe tools such as XPEDITER, Endevor, & TSO/ISPF

3+ years of experience with Performance techniques, Tuning requests

1+ years of experience with Github Copilot

Preferred Qualifications:

Experience with Infrastructure as Code, automation, and configuration management practices

Experience supporting mission‑critical data and analytics platforms, including incident management and RCA

Experience with containerization and orchestration technologies (Docker, Kubernetes, AKS)

Experience operating in security‑ and compliance‑driven environments, including RBAC, audit controls, and governance

Prior experience mentoring engineers or acting as a technical lead within DevOps or platform initiatives

Solid understanding of monitoring, logging, and observability in large‑scale production environments

Strong communication skills and ability to collaborate with cross‑functional engineering teams

Exposure to AI‑enabled DevOps or AIOps, including automated remediation, intelligent monitoring, or predictive analytics

Familiarity with GenAI tools for AI‑assisted troubleshooting, pipeline optimization, or operational insights