CNC Machining Expert - Evaluator

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

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.

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 ).