Frontier AI Safety Evaluator

Obsidian; Greater London; Remote; GBP 90,000 - 130,000; Full time

Job summary

Obsidian seeks experienced AI Safety Practitioners to evaluate frontier models on safety, quality, and alignment across grey-area topics. You will assess AI responses, apply safety policies, and contribute to improvements through structured evaluations and feedback.

Responsibilities include reviewing high-risk content, refining RLHF/SFT rubrics, and collaborating with researchers to advance safety benchmarking. A background in journalism, public policy, or related fields is ideal.

Qualifications

• Bachelor's degree or higher in Journalism, Communications, Psychology, Sociology, Public Policy, Law, Biology, Chemistry, Computer Science, or a related discipline.
• 5+ years of professional experience in AI Safety, Trust & Safety, journalism, public policy, scientific research, security, or a related field.
• Excellent written English, critical thinking, and analytical reasoning skills.
• Ability to consistently evaluate nuanced and policy-sensitive scenarios.

Responsibilities

• Evaluate AI-generated responses for safety, factual accuracy, policy compliance, and overall quality.
• Review content involving misinformation, political persuasion, self-harm, violence, cyber, biosecurity, and other sensitive domains.
• Apply and refine evaluation rubrics for RLHF, SFT, and AI safety benchmarking.
• Identify unsafe outputs, hallucinations, reasoning failures, and policy violations.
• Provide structured feedback to improve model alignment and safety performance.
• Collaborate with AI researchers and safety teams on ongoing evaluation initiatives.

Skills

Critical thinking

Analytical reasoning

Written English

Policy evaluation

Education

Bachelor's degree or higher in related fields

Job description

Obsidian seeks experienced AI Safety Practitioners to evaluate frontier models on safety, quality, and alignment across grey-area topics. You will assess AI responses, apply safety policies, and contribute to improvements through structured evaluations and feedback.

Responsibilities include reviewing high-risk content, refining RLHF/SFT rubrics, and collaborating with researchers to advance safety benchmarking. A background in journalism, public policy, or related fields is ideal.