Mastercard

Lead, AI Security Engineer

Full-timeNot specifiedO'Fallon, MissouriNot disclosedApply by 16 Oct 2026
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Overview

Mastercard is hiring a Lead, AI Security Engineer in O'Fallon, Missouri. This is a senior leadership role focused on Python, Machine learning, Statistics. Full responsibilities, compensation details and the application form are available on the official listing, apply directly to keep your application verified.

What you'll do

  • Own day-to-day delivery as a Lead, AI Security Engineer, working with Python, Machine learning, Statistics.
  • Partner with engineering, product and design peers at Mastercard to ship work that reaches real users.
  • Write clear documentation and keep stakeholders updated on progress, risks and trade-offs.
  • Review your own and others' work to keep quality, performance and reliability high.

Requirements

  • Practical experience with Python, Machine learning, Statistics, SQL.
  • Relevant academic or project background for a Lead, AI Security Engineer role.
  • Strong written and verbal communication in English.
  • Comfortable working on-site in O'Fallon, Missouri.

Skills

PythonMachine learningStatisticsSQL

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