Bilingual PhD Scientist - AI Safety

mercor; España; Remote; EUR 71,000 - 76,000; Full time

Job summary

Mercor connects elite creative and technical talent with leading AI research labs. The company seeks a bilingual Spanish STEM expert (PhD) for AI safety, working remotely under a contract.

You will craft expert prompts in Spanish, assess model outputs for scientific accuracy, and apply safety guidelines across topics. Fluency in Spanish and business English is required, with a PhD in chemistry, biology, or related fields.

Qualifications

• PhD in chemistry, biology, or a related field.
• Native or near-native fluency in Spanish and business-level written English.
• Familiarity with modern laboratory and computational techniques.
• Sound judgment in scientific safety and responsible handling of dual-use information.

Responsibilities

• Write expert-level prompts in Spanish across specialized scientific topics.
• Evaluate and annotate model responses for scientific accuracy and appropriate handling of sensitive content.
• Apply structured guidelines to classify prompts and conversations.
• Work independently and asynchronously to improve AI model safety .
• Collaborate with AI research teams to ensure accuracy and depth in model outputs .

Skills

Spanish fluency

Business English writing

Education

PhD in chemistry, biology, or related field

Tools

Laboratory techniques

Computational techniques

Job description

About the job

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey .

Position: Bilingual Spanish STEM Expert (PhD) — AI Safety

Type: Contract

Compensation: $58–$62/hour

Location: Remote

Responsibilities

• Write expert-level prompts in Spanish across specialized scientific topics.
• Evaluate and annotate model responses for scientific accuracy and appropriate handling of sensitive content.
• Apply structured guidelines to classify prompts and conversations.
• Work independently and asynchronously to improve AI model safety .
• Collaborate with AI research teams to ensure accuracy and depth in model outputs .

Qualifications

Must-Have

• PhD in chemistry , biology , or a related field.
• Native or near-native fluency in Spanish and business-level written English .
• Familiarity with modern laboratory and computational techniques.
• Sound judgment in scientific safety and responsible handling of dual-use information.

Preferred

• Based in Spain or Western Europe .
• Expertise in radiochemistry , nuclear chemistry , or related fields.
• Depth in specific subfields like organic synthesis or molecular biology .
• Experience in chemical safety, biosafety, or hazardous-materials handling.
• Experience reviewing or grading technical content.