Founded in 2017, Obsidian Security was created to close a critical gap: securing the SaaS applications where modern business happens—platforms like Microsoft 365, Salesforce, and hundreds more.  Backed by top investors including Greylock, Norwest Venture P…

Obsidian is building high-fidelity simulated work environments to evaluate AI agents in real marketing tasks. We seek a hands-on Paid Growth specialist to design briefs, specify required documents and artifacts, and judge AI attempts against clear standards.Yo…

Mercor is building a red team to probe AI models with adversarial inputs. This role reviews outputs touching bias, misinformation, or harmful behavior in text-based work.Participation in higher-sensitivity projects is optional and guided by clear guidelines an…

Mercor is seeking professionals with senior government experience to design evaluation tasks for AI systems used in federal, state, and municipal contexts. You will craft scenarios, write rubrics, and produce reference outputs reflecting how senior government …

Mercor is hiring PhD and Master's scientists to author AI evaluation tasks (Sci Code). You will source materials, write scientific prompts, and build grading criteria for frontier models. The role focuses on biology-related domains with coding work.Work is a 6…

Obsidian is building high-fidelity simulated marketing analytics environments to evaluate AI agents and improve decision making across tools such as GA4, Amplitude, Salesforce, and ad platform reporting.You will design briefs, specify required artifacts and ju…

Mercor is seeking Total Rewards practitioners to design compensation and equity foundations from the ground up. You will shape salary bands, level frameworks, and job architecture while owning annual compensation cycles including merit, promotions, bonuses, an…

Obsidian is seeking a hands-on Content Marketing practitioner to design and pressure-test training environments for AI agents. You will own editorial programs end-to-end, specify the needed content artifacts, and define the decision criteria that robustly dist…

Obsidian is building high-fidelity simulated work environments to evaluate and improve AI agents on real marketing work.Each environment reproduces a marketing org's actual tool surface — email, storage, CRM, project management, social media management, web …

Obsidian is seeking experienced legal reviewers to create rubrics and perform quality control on large volumes of processed legal documents. This role focuses on review and verification, not drafting or advisory.You'll handle a broad spectrum of documents incl…