Responsible AI / Security Specialist

Overview

Mercor is looking for a Responsible AI / Security Specialist to support a leading AI lab’s GenAI team. The role focuses on security, red teaming, responsible AI, and safety-minded evaluation work that helps improve the quality of AI training data and model behavior.

This is a fully remote, part-time opportunity for candidates who can commit at least 20 hours per week during weekdays. The source also notes that the work is associated with Cincinnatus LLC as employer of record for W-2 employment, while the placement is within a client team; however, the posting itself is by Mercor. The source additionally states that H1-B and STEM OPT candidates cannot be supported.

What You'll Do

• Help guide research and engineering teams on security, responsible AI, application and infrastructure security, and red teaming topics.
• Design challenging, domain-relevant tasks and write accurate, well-structured solutions for security and responsible AI problems.
• Review tasks and solutions and provide clear written technical feedback.
• Create adversarial tasks and red teaming scenarios to test AI systems for security weaknesses, unsafe behavior, and policy violations.
• Develop rubrics to assess the safety, accuracy, and harm potential of AI responses on security and sensitive topics.
• Work with other subject matter experts to keep training data consistent and accurate.

Requirements

• At least 4 years of dedicated professional experience in cybersecurity, red teaming, penetration testing, threat intelligence, or trust and safety at a recognized, top-tier organization.
• Hands-on experience in at least one of the following areas: application security and secure code review, penetration testing and offensive security, threat intelligence or incident response, or trust and safety policy enforcement.
• Credentials such as OSCP, OSWE, GPEN, CISSP, published CVEs, bug bounty findings, or security research are a strong plus.
• Demonstrated career progression.
• Ability to reliably work at least 20 hours per week during weekdays.
• Strong written communication skills and the ability to explain complex technical decisions clearly.

Contract Terms

• Fully remote role with a flexible schedule.
• Weekly payments via Stripe or Wise based on services rendered.
• Projects may be extended, shortened, or ended early depending on needs and performance.
• The work will not involve access to confidential or proprietary information from any employer, client, or institution.

Additional Notes

• Employer-of-record details: Cincinnatus LLC.
• H1-B and STEM OPT candidates are not supported for this opportunity.