Platform Engineering Intern, Summer 2027 – St. Louis, MO, US

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Platform Engineering Intern, Summer 2027 – St. Louis, MO, US Why join Mastercard’s internship program? Mastercard's internship program offers more than hands-on work. It provides an opportunity to build skills, expand your network, and make a meaningful impact while working on projects that support business priorities. It provides an opportunity to build skills, expand your network, and make a meaningful impact while working on projects that support business priorities.

About the team

The Kubernetes Engineering team is responsible for designing, operating, and modernizing Mastercard’s enterprise Kubernetes platform, supporting approximately 500 Amazon EKS and Azure AKS clusters across multiple global regions. This team enables the infrastructure that powers a global payments network, driving initiatives such as GitOps-based deployments with Argo CD, cloud-agnostic networking solutions using Kubernetes Gateway API, policy-driven security and compliance automation, platform onboarding for new business units, and fleet-wide observability and cost optimization. Team members work across a broad technology stack, including Kubernetes, AWS, Azure, infrastructure-as-code, container networking, cloud security, CI/CD pipelines, and distributed systems. As a Platform Engineering Intern, you will contribute to meaningful, real-world engineering projects that enhance platform scalability, reliability, automation, and developer experience. You will gain hand