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Mercor logo
Mercor

Cincinnatus is an enterprise staffing company that partners with leading technology companies to source and employ highly skilled professionals for full-time and long-term contingent roles. Cincinnatus serves as the employer of record for these engagements, providing W-2 employment, payroll, benefits, and compliance, while placing employees directly within client teams to work on high-impact initiatives. Roles hired through Cincinnatus are not project-based or freelance engagements. They are structured, role-based positions that typically involve full-time or fixed-term commitments, close collaboration with a client's internal teams, and integration into standard enterprise workflows. Cincinnatus is a legal entity separate from Mercor. While opportunities may be discovered through Mercor's platform, employment, onboarding, payroll, and benefits for these roles are administered by Cincinnatus. Equal Employment Opportunity Cincinnatus is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, reproductive health decisions, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, political views or activity, or any other legally protected characteristic. Cincinnatus is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans throughout the job application process.

Bilingual Adversarial AI Specialist

Security EngineerSecurity EngineerOtherRemoteMid LevelH1B No Sponsor

Location

United States + 1 moreAll locations: United States | Brazil

Posted

88 days ago

Salary

$29 / hour

Seniority

Mid Level

Job Description

Bilingual Adversarial AI Specialist

Mercor

Role Description As an AI Red Team Specialist, you will: - Evaluate conversational AI models for vulnerabilities through jailbreaks, prompt injections, and misuse cases. - Generate high-quality human data by annotating failures, classifying vulnerabilities, and flagging systemic risks. - Apply structure using taxonomies, benchmarks, and playbooks to ensure consistent testing. - Document reproducibly by producing reports, datasets, and attack cases for customer action. - Work independently and asynchronously to meet deadlines while improving AI model performance. Qualifications - Must-Have: - Native-level fluency in English and Brazilian Portuguese. - Prior experience in red teaming (AI adversarial work, cybersecurity, socio-technical probing). - Strong communication skills to explain risks to both technical and non-technical stakeholders. - Ability to adapt and thrive across diverse projects and customers. - Preferred: - Experience with Adversarial ML: jailbreak datasets, prompt injection, RLHF/DPO attacks, model extraction. - Background in Cybersecurity: penetration testing, exploit development, reverse engineering. - Knowledge of socio-technical risk: harassment/disinfo probing, abuse analysis, conversational AI testing. - Creative probing skills: psychology, acting, writing for unconventional adversarial thinking. Requirements - Hourly contractor. - Paid weekly. Application Process - Upload resume. - AI interview based on your resume. - Submit form. Resources & Support - For details about the interview process and platform information, please check: Interview Process . - For any help or support, reach out to: support@mercor.com . - Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.

Job Requirements

  • Must-Have:
  • Native-level fluency in English and Brazilian Portuguese.
  • Prior experience in red teaming (AI adversarial work, cybersecurity, socio-technical probing).
  • Strong communication skills to explain risks to both technical and non-technical stakeholders.
  • Ability to adapt and thrive across diverse projects and customers.
  • Preferred:
  • Experience with Adversarial ML: jailbreak datasets, prompt injection, RLHF/DPO attacks, model extraction.
  • Background in Cybersecurity: penetration testing, exploit development, reverse engineering.
  • Knowledge of socio-technical risk: harassment/disinfo probing, abuse analysis, conversational AI testing.
  • Creative probing skills: psychology, acting, writing for unconventional adversarial thinking.
  • Hourly contractor.
  • Paid weekly.
  • Application Process
  • Upload resume.
  • AI interview based on your resume.
  • Submit form.
  • Resources & Support
  • For details about the interview process and platform information, please check: Interview Process .
  • For any help or support, reach out to: support@mercor.com .
  • Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.

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