Associate Cybersecurity Engineer, Intern - Pen Testing - Summer 2026

Visa • Austin, TX

4h • $35 - $40 • Hybrid

About The Position

Visa’s Internship Program provides an immersive, 12-week journey where you’ll work on impactful projects that drive Visa’s mission forward. As a Visa intern, you’ll build valuable connections across the organization, sharpen your communication and business acumen, and gain hands-on experience in a dynamic, global environment.
Throughout the program, you’ll have exclusive access to interactive workshops and learning sessions designed to deepen your expertise, expand your industry knowledge, and elevate your professional skillset. You won’t just be learning, you’ll be contributing, collaborating, and innovating every step of the way. In addition to professional development, you’ll enjoy a variety of intern social events that foster community, connection, and fun throughout the summer.
The experience culminates in an exciting final presentation, where you’ll showcase your project achievements, share key insights, and present your recommendations to Visa’s leaders and stakeholders. This is your chance to demonstrate your business impact, highlight your personal growth, and align your work with Visa’s vision for the future.
The Mobile & Mac Security (MMS) team is looking for a talented Assoc. Cybersecurity Engineer, Intern to join our team in Austin and ensure the highest security standards for our Mobile and Mac consumer and corporate products and services.
The Mobile & Mac Security (MMS) team, part of the overall Cybersecurity department at Visa, Inc. operates as a flexible and fast-paced team, very similarly to a mini startup, within our overall organization. We aim to excel at Whitehat hacking skills to keep our organization secure... and have fun doing it!
We value diversity within our team and believe that it’s who you are and what you do that will make us a better and stronger team. We always cherish differences of opinion, and aim to learn from every team member, no matter their level or experience, in our day-to-day activities.
We care about you, what drives you, your motivation and your desire to perform within our team more than any certification or diploma you may have. Those values will be essential focus points for us during the interview so don’t hesitate to tell us more about them!
As a member of Visa’s MMS team, you’ll join a dynamic team in order to help:

Requirements

• Students pursuing a Bachelor's or Master’s Degree in Computer Science, Computer Engineering, CIS/MIS, Cybersecurity, Business or a related field with a graduation date in December 2026-August 2027
• Strong communications skills, specifically, the absence of repeated grammatical or typographical errors, clear and concise written and spoken communications that demonstrate professional judgment.

Nice To Haves

• Knowledge of AI related fields and how they work (models, vectoring, prompt engineering, agentic methodologies etc.)
• Ability to code scripts and small basic applications in Python.
• Experience with one or more of the following programming languages: Node, Kotlin, Java, Swift is preferred.
• Understanding of OWASP Top 10 and CWE 25; with proven track record and experience in implementing and integrating remediation strategies.
• Understand the basics of a mobile application and platform security concepts; deep understanding of those platforms, and advanced concepts related to SDKs and mobile wallets preferred.
• Knowledge of penetration testing is a plus but not necessary if you’re willing to learn with us and are curious. Things like application risk assessment and risk categorization skills, including but not limited to, reverse-engineering, network interception and manipulation, offensive and defensive attacks, as well as database and cross-site scripting injection attacks are all topics that are useful.
• Understanding of web applications common architectures, basic cryptography, and web protocols.
• Understanding of the following tools/technologies should apply, and would be strongly preferred: Burp Suite, IDA pro, Metasploit, APKTool, Hopper, Gindra, CheckMarx (Sast/Dast), Cycript, XPosed, Charles, dex2jar, Kali Linux, Wireshark or any mobile security and/or penetration testing tools or frameworks.
• Strong ability to collaborate
• Highly driven, resourceful and results oriented
• Good team player and excellent interpersonal skills
• Good analytical and problem-solving skills
• Demonstrated ability to lead and navigate through ambiguity

Responsibilities

• Help develop, maintain, support and innovate on various internal Cybersecurity tools we leverage daily.
• Innovate and research on AI models and their applications to our cybersecurity world.
• Develop AI-driven workflows related to all cybersecurity activities we leverage
• Research AI models and benchmarking specific use-cases
• Perform ethical penetration testing on various Visa mobile and Mac assets to simulate real-life security vulnerabilities and scenarios.
• Execute successful adaptation of mobile and Mac security assurance across Visa.
• Identify weaknesses and shortcomings in Visa’s existing security posture of various products and recommend and enhance all necessary controls to effectively protect Visa assets and services from intentional or inadvertent modification.
• Help build foundational application security capabilities.
• Develop automated tools and scripts to optimize various testing process and flows.

What This Job Offers

• Career Level: Intern
• Number of Employees: 5,001-10,000 employees