Platform Engineering Summer Intern - St. Louis, MO (Jun 2026)

Join Mastercard as a Platform Engineering Intern to manage technical assets across mainframe and other platforms, contributing to a sustainable global economy.

Your Role

Key responsibilities include:

• Inventory all physical assets across mainframe, AIX, and HP NonStop platforms
• Document hardware models, OS versions, and deployed software components
• Map asset deployment locations and configurations
• Build a dashboard to visualize compliance against supported software versions
• Reconcile software license inventory with deployed software across platforms

About You

The company is looking for:

• Currently enrolled in a bachelor’s degree program majoring in Computer Science or a related field with a graduation date of December 2026 or beyond
• Hands-on experience working in data, ideally within Excel
• Hands-on experience with Python
• Knowledge of building dashboards/data visualization tools (Domo, Power BI)
• Experience connecting with an API to source data
• Proficient in Microsoft Office applications
• Excellent communication skills, ability and willingness to tackle complex problems
• Must be eligible to work in the United States without employer sponsorship (F1 visa holders including CPT or OPT are not eligible)

Compensation & Benefits

• Salary: $23-28/hr
• 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, 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)
• 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

Training & Development

• Participation in networking events, mentorship opportunities, and sessions with senior leaders
• Volunteer and team building opportunities
• Formal performance assessments
• End-of-summer presentations to peers and Mastercard leadership

Career Progression

Internship projects contribute to department goals, providing experience that supports future career growth within Mastercard.

How to Apply

Submit your application ensuring eligibility to work in the U.S. without sponsorship. For accommodation requests during the application or recruitment process, without including medical or health information.

This job may close before the stated closing date, you are encouraged to apply as soon as possible

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