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AI Safety Expert Red Team

Mercor


Job Location:

Lisbon - Portugal

Monthly Salary: Not provided by the employer
Posted: 11 August 2026 (23 days ago)
Application Deadline: 8 November 2026
Vacancies: 1 Vacancy

Job Summary

About the job

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco our investors include Benchmark General Catalyst Peter Thiel Adam DAngelo Larry Summers and Jack Dorsey.

Position: AI Safety Experts English & Portuguese (global)
Type: Contract
Compensation: $29$45/hour
Location: Remote

Role Responsibilities

  • Red team conversational AI models and agents by performing jailbreaks prompt injections misuse cases and bias exploitation.
  • Generate high-quality human data by annotating failures classifying vulnerabilities and flagging systemic risks.
  • Apply structure by following taxonomies benchmarks and playbooks to maintain consistent testing.
  • Document reproducibly by producing reports datasets and attack cases that customers can act on.
  • Work independently and asynchronously to improve AI model performance and ensure safety.

Qualifications

Must-Have

  • Native fluency in English and Portuguese (global excluding Brazilian Portuguese).
  • Prior red teaming experience in AI adversarial work cybersecurity or socio-technical probing.
  • Strong communication skills to explain risks clearly to technical and non-technical stakeholders.

Preferred

  • Experience in Adversarial ML: jailbreak datasets prompt injection RLHF/DPO attacks model extraction.
  • Cybersecurity skills: penetration testing exploit development reverse engineering.
  • Socio-technical risk expertise: harassment/disinfo probing abuse analysis conversational AI testing.
  • Creative probing skills: psychology acting writing for unconventional adversarial thinking.

Application Process (Takes 2030 mins to complete)

  • Upload resume
  • AI interview based on your resume
  • Submit form

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