Hybrid Senior AI Security Engineer — Lead Threat Modeling

Relativity; Chicago (IL); Hybrid; USD 130,000 - 195,000; Full time

Benefits offered by this job

DTO

Parental leave

Equity program

Job summary

Relativity is seeking a Senior AI Security Engineer to lead AI security reviews, threat modeling, and tooling initiatives across agentic systems and LLM integrations. You will secure Relativity’s AI ecosystem, collaborate with distributed engineering teams, and communicate security requirements to both technical and non-technical stakeholders while staying ahead of evolving AI threats.

The role emphasizes hands-on security, adherence to MITRE ATLAS, STRIDE, and NIST AI RMF, and delivering

Qualifications

• Bachelor’s degree in CS/Cybersecurity or related field, or equivalent experience.
• 5+ years of commercial software/security engineering experience.
• 2+ years conducting product security reviews and threat modeling using MITRE ATT&CK/ATLAS, NIST AI RMF, or STRIDE.
• 3+ years hands-on experience with cloud platforms (Azure preferred; AWS/GCP acceptable).
• Strong written and verbal communication; ability to explain security concepts to varied audiences.
• Experience with geographically distributed teams.

Responsibilities

• Conduct hands-on AI security reviews and threat modeling.
• Propose safeguards for software products and infrastructure prior to production release.
• Evaluate, build, configure, and modernize AI security tooling and agentic workflows.
• Strengthen the overall security posture by hardening AI systems and leveraging AI for security.
• Respond to customer AI security inquiries and support audit activities.
• Deliver clear written and verbal reports to technical and non-technical stakeholders.
• Lead engagements and manage stakeholder relationships across distributed teams.
• Stay current on AI security developments and share knowledge across internal teams.

Skills

Threat modeling

AI security

Security reviews

Cloud security

Cross-functional leadership

Communication

Distributed teams

Automation tooling

MITRE ATT&CK/ATLAS/NIST AI RMF

Agentic AI workflows

Education

Bachelor’s degree in CS/Cybersecurity

Master’s degree in CS/Cybersecurity

Tools

Azure

AWS

GCP

Python

C#

Java

SIEM

Job description

Relativity is seeking a Senior AI Security Engineer to lead AI security reviews, threat modeling, and tooling initiatives across agentic systems and LLM integrations. You will secure Relativity’s AI ecosystem, collaborate with distributed engineering teams, and communicate security requirements to both technical and non-technical stakeholders while staying ahead of evolving AI threats.

The role emphasizes hands-on security, adherence to MITRE ATLAS, STRIDE, and NIST AI RMF, and delivering