Software Engineer - Mainframe

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The Software Engineer is responsible for supporting UMR's Claim, Eligibility, & Billing applications in a Mainframe environment, requiring strong analytical and communication skills to collaborate with business partners and deliver effective solutions. The role involves designing, developing, and deploying AI-powered solutions while maintaining application support and resolving production issues.

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

Requirements:

• Bachelor's degree in Computer Science, IT or Engineering related field
• 3+ years of experience working within the Software Development Life Cycle
• 3+ years of experience with COBOL, JCL, DB2, CICS, Rest API on an IBM Mainframe
• 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
• 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
• All Telecommuters will be required to adhere to UnitedHealth Group's Telecommuter Policy