AI Security Evaluator & Vulnerability Trainer

Mercor; Miami (FL); On-site; USD 120,000 - 180,000; Full time

Job summary

Mercor seeks an experienced security evaluator to assess the quality of vulnerability-reproduction and remediation tasks used to train frontier AI lab models. The role focuses on faithfulness of CVE reproductions, sound fixes, rigorous verification, and Docker-based lab environments that replicate exploitable conditions.

The candidate will provide rubric-based written feedback, drawing on 3+ years in application security, vulnerability research, and secure coding practices to ensure robust

Qualifications

• 3+ years of hands-on experience in application security, penetration testing, or vulnerability research.
• Strong understanding of CVE vulnerability taxonomy and severity frameworks (CVSS, CWE, CAPEC).
• Demonstrated expertise in secure coding and remediation across common vulnerability classes (SQL injection, command injection, buffer overflow, deserialization, SSRF, misconfigurations, privilege escalation).
• Experience designing or evaluating two-part verification logic (functionality tests + vulnerability tests).
• Proficiency with Docker and Docker Compose for multi-container vulnerability reproduction environments.

Skills

Application security

Penetration testing

Vulnerability research

Secure coding

Docker

Docker Compose

Tools

Docker

Docker Compose

Job description

Mercor seeks an experienced security evaluator to assess the quality of vulnerability-reproduction and remediation tasks used to train frontier AI lab models. The role focuses on faithfulness of CVE reproductions, sound fixes, rigorous verification, and Docker-based lab environments that replicate exploitable conditions.

The candidate will provide rubric-based written feedback, drawing on 3+ years in application security, vulnerability research, and secure coding practices to ensure robust