Senior Security AI Tooling & Automation Engineer

TransUnion LLC; Chicago (IL); Hybrid; USD 169,000 - 281,000; Full time

Benefits offered by this job

Medical coverage

Dental coverage

Vision coverage

Life insurance

Disability insurance

401(k) match

ESPP

Parental leave

Tuition reimbursement

Paid holidays

Commuter benefits

Job summary

TransUnion is seeking a Sr. Principal Engineer, Security AI Tooling and Automation to lead the automation layer for security workflows in a hybrid role. You will build agentic AI tooling, integrate data sources, and own dashboards used by security and engineering teams.

The role requires 8+ years in security or software engineering, strong API and data-pipeline experience, and the ability to set technical direction within an embedded team.

Qualifications

• 8+ years of hands-on experience in security engineering, platform engineering, or software engineering with a strong security emphasis.
• Strong background in API integration, data‑pipeline engineering, and tooling at production scale.
• Knowledge of security fundamentals, vulnerability classes, exploit patterns, and remediation.
• Ability to design reliable, observable automation systems and set technical direction in embedded teams.

Responsibilities

• Build and maintain an agentic automation framework and orchestration layer for security workflows.
• Own internal security tooling development, dashboards, and remediation-tracking integrations.
• Integrate disparate security data sources via APIs, data connectors, and normalization pipelines.
• Automate remediation workflows and CI/CD pipelines with pre-production security gates.
• Ensure production reliability through observability, alerting, and failure handling.
• Mentor engineers, lead architecture decisions, and drive cross-pod collaboration.

Skills

Agentic AI systems

LLM automation

Security tooling

CI/CD pipelines

Data integration

Education

Bachelor’s degree in CS or related

Tools

Python

Go

APIs

CI/CD tooling

Job description

TransUnion is seeking a Sr. Principal Engineer, Security AI Tooling and Automation to lead the automation layer for security workflows in a hybrid role. You will build agentic AI tooling, integrate data sources, and own dashboards used by security and engineering teams.

The role requires 8+ years in security or software engineering, strong API and data-pipeline experience, and the ability to set technical direction within an embedded team.