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Why This Role Exists

At Mercor, we believe the safest AI is the one that’s already been attacked — by us. That’s why we’re building a pod of safety specialists to assess the capabilities and limitations of frontier models. ##

What You’ll Do

- Generate high-quality human data: annotate failures, classify vulnerabilities, and flag systemic risks - Apply structure: follow taxonomies, benchmarks, and playbooks to keep testing consistent Document reproducibly: produce reports, datasets, and attack cases customers can act on - Flex across projects: support different customers, from LLM jailbreaks to socio-technical abuse testing ##

Who You Are

- You’re curious and adversarial: you instinctively push systems to breaking points - You’re structured: you use frameworks or benchmarks, not just random hacks - You’re communicative: you explain risks clearly to technical and non-technical stakeholders - You’re adaptable: thrive on moving across projects and customers ##

Why Join Mercor

- Build experience in human data AI work at the frontier of safety - Play a direct role in making AI systems more robust, safe, and trustworthy We consider all qualified applicants without regard to legally protected characteristics and provide reasonable accommodations upon request. ##

About Mercor

Mercor partners with leading AI labs and enterprises to train frontier models using human expertise. You will work on projects that focus on training and enhancing AI systems.