
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.
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.
As an intern, you'll benefit from:
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.
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:
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, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re building 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.