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

Location: O'Fallon, Missouri

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 Data Center and Network Engineer is responsible for delivering reliable, scalable, and cost-effective network and data center infrastructure solutions in a complex, multi-vendor, multi-platform environment. This role supports the design, implementation, maintenance, and optimization of enterprise network and data center technologies while ensuring operational excellence within a mission-critical production environment. The position requires a hands-on technical professional with expertise in network communications, hardware installation, infrastructure support, and incident resolution. The engineer will lead and participate in regional infrastructure projects, managing planning, resource utilization, implementation activities, and operational support while maintaining high standards of quality, reliability, and performance. Working independently and collaboratively, the successful candidate will evaluate and resolve complex technical challenges, integrate emerging technologies into the production environment, and support continuous improvement initiatives across network, server, and storage platforms. Strong communication skills, attention to detail, and a commitment to established processes are essential, along with the ability to mentor team members and contribute to a high-performing engineering organization. Key areas of focus include network design and optimization, data center operations, enterprise hardware deployment, project execution, technology integration, and operational support of critical infrastructure services. The ideal candidate is a self-motivated professional with a passion for technology, strong troubleshooting capabilities, and the ability to thrive in a fast-paced, customer-focused environment.

What we’re looking for: - Currently enrolled in a Bachelors degree, with an anticipated graduation date between December 2027 and June 2028 - Demonstrated strong attention to detail with the ability to produce accurate, high-quality work. - Strong organizational, process-oriented, and documentation skills, with the ability to follow and improve established procedures. - Analytical and problem-solving mindset with the ability to break down complex challenges into manageable solutions. - Exposure to a variety of technical, academic, project, or extracurricular experiences that demonstrate curiosity and adaptability. - Self-motivated learner who is eager to gain new experiences, take on diverse assignments, and contribute in a dynamic team environment. - 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 [email protected] 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