CNC Machining Expert - Evaluator - AI Trainer

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: CNC Machining Expert
Type:Contract
Compensation:$120–$175/hour
Location:Remote

Role Responsibilities

• Contribute to text-only, objective, verifiable rubrics for grading CNC machining solutions across provided CAD models and machining context.
• Write clear verification rationale for each criterion to ensure clarity and precision.
• Review sample solutions and explain pass/fail outcomes with detailed reasoning.
• Apply real production-floor judgment to determine the approval or rejection of machining approaches.
• Work independently and asynchronously to meet deadlines and improve rubric quality.

Qualifications

Must-Have

• 5+ years of hands-on CNC machining experience.
• Strong production judgment to assess safe operations on real machines.
• Written English fluency for text-based deliverables.

Preferred

• Experience with hobbyist machines (Makera Carvera) and Haas machines (VF-2).

Application Process (Takes 20–30 mins to complete)

• Upload resume
• AI interview based on your resume
• Submit form

Resources & Support

• For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome
• For any help or support, reach out to: support@mercor.com

PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.