Senior Information Security Engineer

Mastercard

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Quick summary

Work type
On-site
Location
O'Fallon, MO
Salary
$115,000–$184,000 / yr
Posted
10 days ago
Freshness
Confirmed live today

Market check

Salary context

Below market

How this pay compares to similar roles

Similar $182k
This role $150k
$102k $235k
below market most similar roles pay here above market

This role pays less than 76% of similar roles. Most pay $151,475–$213,000 — the blue band above. At the midpoint, this role pays about $150k versus about $182k for comparable roles.

Based on 240 similar postings.

Employer

About Mastercard

Mastercard is a global technology company in the payments industry, processing transactions between financial institutions and merchants using its extensive network of credit, debit, and prepaid card products. Industry: Payments Technology & Financial Services

Mastercard currently has 150 open roles on FindRole.

Listed pay typically runs $122,000–$207,000 across 142 roles with salary data.

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View all roles at Mastercard

At a glance

TL;DR · Senior Information Security Engineer

The Senior Information Security Engineer joins the AI Security Operations team to protect the organization’s AI platforms, models, and data. This role focuses on the operational security of AI systems through continuous assessment, monitoring, testing, and response. You will build and operate specialized tooling, including AI red team testing tools, guardrails, model evaluation platforms, and AI Security Posture Management solutions. Key responsibilities include identifying AI-specific threats, designing secure deployment patterns, and collaborating with data science and engineering teams to embed security controls throughout the AI lifecycle. You will utilize skills in information security engineering, AI/ML systems, and defensive controls for LLM applications. The role addresses the technical challenge of ensuring the robustness, confidentiality, and integrity of AI-enabled solutions while aligning with NIST and ISO standards.

What you'll do

  • Operate and improve AI security tools including red teaming, guardrails, and AI Security Posture Management (AI SPM) solutions.
  • Analyze security tool findings to create actionable remediation plans and risk reduction activities.
  • Design and operationalize secure architectures for AI systems, including model deployment patterns and data protections.
  • Embed security controls and guardrails into the AI development and deployment lifecycle with engineering teams.
  • Implement AI security policies and frameworks aligned with NIST, ISO, and other industry standards.
  • Develop standard operating procedures, playbooks, and runbooks for AI security operations and incident response.
  • Conduct proofs of concept to evaluate new AI security tools and defensive techniques.
  • Provide technical training and guidance on AI threats and model evaluation practices to internal teams.

What we're looking for

  • Bachelor’s or master’s degree in computer science, Information Security, Engineering, or a related technical discipline.
  • Strong experience in information security engineering or operations with hands-on exposure to AI/ML systems and associated security risks.
  • Practical experience working with or evaluating AI security tools such as red team testing, guardrails, model evaluation, or AI SPM platforms.
  • Proven experience implementing defensive controls to mitigate OWASP Top 10 for LLM applications.
  • Proven ability to assess, test, and operationalize security controls for complex, distributed systems.
  • Strong analytical and problem-solving skills to interpret tool output and translate findings into remediation actions.
  • Excellent technical communication and collaboration skills to work across engineering, data, and risk teams.
  • Relevant certifications such as CISSP, GIAC, CEH, OSCP, or cloud security certifications (preferred).

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