Intern, Information Security - Engineering (O'Fallon)

Intern, Information Security - Engineering

Mastercard works to connect and power a sustainable and inclusive global economy. We are a vehicle for commerce, a connection to financial systems for the previously excluded, a technology innovation lab, and the home of Priceless. We ensure every employee has opportunity to be a part of something bigger and to change lives. We believe in connecting everyone to endless, priceless possibilities.

The Corporate Security team at Mastercard operates with a mission-first, people-always ethos, integrating strategic foresight, technical depth, and cultural resilience to safeguard the enterprise. The organization spans a wide array of functions, from threat and vulnerability management, cryptographic services, and AI security to regulatory compliance, physical security, and employee access management. The Corporate Security approach is holistic and business-aligned, emphasizing risk-based control testing, cloud security modernization, and proactive human risk reduction. The team fosters transparency and engagement through all-hands meetings, benchmarking sessions, and culture conversations, reinforcing a unified and accountable security culture across global offices.

Mastercard's summer internship program provides emerging talent with projects that will enhance skills as well as contribute to the department's goals and objectives. In this program, you will participate in :

• Networking events, mentorship opportunities, and hear from senior leaders
• Volunteer and team building opportunities
• Formal performance assessments
• End-of-summer presentations to peers and Mastercard leadership

The Information Security Engineer Intern supports Mastercard's mission to safeguard systems and data through hands-on involvement in cybersecurity initiatives. This role typically includes assisting with the implementation of security monitoring procedures and contributing to the development of technical documentation and project deliverables. Interns gain exposure to regulatory compliance frameworks (e.g., PCI, GDPR), authentication protocols, and vulnerability management practices. The position emphasizes collaboration with engineering and business teams, analytical thinking, and a growing understanding of secure architecture and governance. Interns may also engage in automation efforts, threat modeling, and the use of tools like Splunk and CyberArk.

Qualifications :

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 :