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Senior Information Security Engineer
Mastercard
O'Fallon, MissouriPosted Oct 12, 2026 · 2h ago$115K – $184K
Full-time$115K – $184KSenior levelFintech
About this role
Mastercard is seeking a Senior Information Security Engineer to safeguard our AI platforms, models, and data. You will operate and enhance AI security tools, conduct threat assessments, and collaborate with engineering teams to embed security throughout the AI lifecycle. This role is crucial for ensuring the robustness, confidentiality, and trustworthiness of our AI-enabled solutions.
What we are looking for
6- Operate and improve AI security tooling (red teaming, guardrails, model evaluation, AI SPM)
- Assess, test, and operationalize security controls for AI systems
- Collaborate with data scientists and engineers to embed security in AI development
- Implement defensive controls for LLM applications (OWASP Top 10)
- Stay current on emerging AI threats and defensive strategies
- Develop operational procedures and provide security guidance
Skills mentioned
1Data Science
