AI Safety Expert, English, Portuguese

Job not on LinkedIn

🕒 August 23

🇺🇸 United States – Remote

💵 $29 - $45 / hour

⏳ Contract/Temporary

🟡 Mid-level

🟠 Senior

🤖 Artificial Intelligence

👻 Ghost score 12%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Mercor

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2023

🔥 Funding within the last year

💰 $350M Series C - Mercor on 2025-10

Mercor is a company for which no descriptive text was provided in the input. Additional information (products, services, target customers, or industry specifics) is needed to create an accurate summary and select appropriate industries.

📋 Description

• Red team conversational AI models and agents • Test jailbreaks, prompt injections, misuse cases, bias exploitation, and multi-turn manipulation • Generate human data by annotating failures, classifying vulnerabilities, and flagging systemic risks • Apply taxonomies, benchmarks, and playbooks to maintain consistent testing • Produce reproducible reports, datasets, and attack cases for customers • Probe sensitive topics including bias, misinformation, and harmful behaviors • Help expand evaluation coverage and reduce production surprises • Collaborate with leading researchers on projects training and enhancing AI systems

🎯 Requirements

• Native fluency in English and Portuguese (global, excluding Brazilian Portuguese) • Prior red teaming experience in AI adversarial work, cybersecurity, or socio-technical probing • Ability to probe AI models using jailbreaks, prompt injections, misuse cases, bias exploitation, and multi-turn manipulation • Ability to annotate failures, classify vulnerabilities, and flag systemic risks • Ability to follow taxonomies, benchmarks, and playbooks • Ability to produce reproducible reports, datasets, and attack cases • Ability to explain risks clearly to technical and non-technical stakeholders • Adaptability across projects and customers • H1-B and STEM OPT candidates are not supported

🏖️ Benefits

• Fully remote role • Flexible, self-directed schedule • Weekly payments via Stripe or Wise • Higher-sensitivity project participation is optional • Clear content guidelines and wellness resources • Opportunity to build experience in human data-driven AI red teaming • Direct role in making AI systems more robust, safe, and trustworthy • Competitive pay • Collaboration with leading researchers • Referral payments of up to $180 per successful referral