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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:

Are you passionate about technology, architecture, and solving complex problems? Come join our Platform Architecture team and get hands-on experience with some of the most critical payment infrastructure at Mastercard.

Our team is responsible for designing platform architectures and creating detailed Visio diagrams for complex applications and infrastructure solutions. We work closely with development, infrastructure, networking, security, and operations teams to ensure applications are built on scalable, resilient, and highly available platforms.

A major focus of our work is supporting the Decision Management Program (DMP), a critical component of Mastercard's payment ecosystem. DMP has a significant infrastructure footprint across Mastercard's large in-house data centers and relies heavily on bare metal server environments. Our team helps design, modernize, and manage these complex platforms that support high-volume, mission-critical payment processing.

What makes our team special is the people. We are a fun, collaborative group with team members located both in the U.S. and Pune, India. Our team includes architects at every stage of their careers, from seasoned industry veterans to newer architects eager to learn and grow. This creates a great environment for mentorship, knowledge sharing, and professional development.

As an intern, you'll gain exposure to:

- Enterprise-scale platform architecture

- Infrastructure and data center design

- Application architecture and dependency mapping

- Visio diagram creation and architecture documentation

- Bare metal and modern platform technologies

- Real-world payment processing systems

- Collaboration with global engineering and architecture teams

If you're eager to learn, explore complex technologies, and gain experience working on systems that power global payments, we'd love to have you join us. Come learn about DMP, Mastercard technology, and the exciting world of enterprise platform architecture while working alongside a talented and supportive team.

What we're looking for:

- Currently enrolled in a Bachelors degree, with an anticipated graduation date between December 2027 and June 2028

- Foundational knowledge of cloud computing platforms such as Amazon Web Services (AWS), Microsoft Azure, or Google Cloud Platform (GCP).

- Understanding of infrastructure concepts including high availability, capacity planning, scalability, and micro-segmentation.

- Exposure to containerization technologies and orchestration platforms such as Docker and Kubernetes through coursework, projects, or internships.

- Familiarity with Infrastructure-as-Code (IaC) and automation tools such as Git, Bitbucket, Jenkins, Terraform, Ansible, or Chef.

- Basic knowledge of Java application servers and enterprise application environments.

- Experience working with Linux operating systems through academic projects, labs, or personal learning.

- Ability to create technical diagrams and architecture documentation using Visio or similar design and visualization tools.

- Strong analytical, problem-solving, and communication skills with the ability to learn new technologies quickly.

- This role is not eligible for Mastercard's work authorization sponsorship. As such, candidates must be eligible to work in the United States, now as well as in the future, without employer sponsorship. For example, students or recent graduates in the United States on an F1 visa (including those with CPT or OPT authorization) are not eligible for this role

As an intern, you'll benefit from:

- Mentorship and coaching from experienced professionals and leaders

- Networking opportunities with fellow interns, employees, and senior leaders

- Professional development experiences focused on career growth and skill-building

- Exposure to innovative technologies and global business challenges

- Volunteer, community engagement, and team-building activities

- Many of our interns continue building their careers with Mastercard through full-time opportunities, early career programs, or future internships.

Please be sure to upload an unofficial copy of your school transcript when submitting your application.

Base Salary: $25-30/hr

Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.

Corporate Security Responsibility

All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

+ Abide by Mastercard's security policies and practices;

+ Ensure the confidentiality and integrity of the information being accessed;

+ Report any suspected information security violation or breach, and

+ Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.

In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, ...

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