Senior Software/Infrastructure/Platform Engineer - Remote (EST/CST)

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The role involves designing, building, and operating foundational Wallet platform infrastructure while ensuring high availability and performance standards. Responsibilities include enabling API platforms, driving infrastructure scalability, and providing production support for the platform.

Responsibilities:

• Design, build, and operate foundational Wallet platform infrastructure
• Stand up cloud‑native and Kubernetes‑based services and shared platform components
• Own platform non‑functional requirements including performance, resiliency, security, and availability (99.99% SLA)
• Enable API platforms using REST and GraphQL, including traffic management and caching
• Establish production readiness standards, automation, monitoring, and alerting
• Drive infrastructure scalability, capacity planning, and reliability engineering
• Lead vulnerability remediation and secure‑by‑design platform practices
• Provide end‑to‑end ownership of platform SLAs across releases and scale events
• Partner with application teams to enable new Wallet capabilities and integrations
• Provide production support for the platform, including incident triage, root cause analysis, and remediation
• Participate in on‑call rotations and support escalations to ensure platform stability
• Leverage enterprise-approved AI tools to streamline workflows, automate tasks, and drive continuous improvement

Requirements:

• Bachelor's degree in CS or IT or engineering related field
• 7+ years of experience designing and operating highly available, resilient platforms
• 7+ years of experience with API platforms (Java, REST and GraphQL) and integration patterns
• 3+ years of experience in platform or infrastructure engineering for cloud-native systems
• 3+ years of hands-on experience with Kubernetes and containerized application platforms
• 2+ years of experience with CI/CD, automation, and Infrastructure as Code
• 1+ years of experience supporting production systems, including incident response and on-call support
• Ability to work On-call rotation as per business need
• Strong understanding of security, compliance, and production operations
• Ability to own platforms end-to-end in a regulated, SLA-driven environment
• Experience supporting systems with 99.99% availability requirements
• Experience building and operating shared platforms used by multiple teams
• Background in financial services, payments, or enterprise-scale platforms
• Experience balancing production support responsibilities with new platform delivery