CNC Machinist: Production Rubric Designer & Evaluator

Mercor; New York (NY); Remote; USD 70,000 - 110,000; Full time

Job summary

Mercor is building a high-quality evaluation dataset for CNC manufacturing and seeks experienced CNC machinists to author and validate grading rubrics for CNC machining work. You will bring real production-floor judgment to determine whether a machining approach would be approved or rejected for a production run, and clearly explain your reasoning.

Strong production judgment and writing skills are essential to craft verifiable criteria, explain decisions, and help validate solutions against CAD

Qualifications

• 5+ years of hands-on CNC machining experience.
• Strong production judgment — able to tell what would and wouldn't run safely on a real machine.
• Written English fluency (all deliverables are text-based).

Responsibilities

• Contribute to text-only, objective, verifiable rubrics for grading CNC machining solutions across provided CAD models and machining context (stock, machine, tooling).
• Write clear verification rationale for each criterion.
• Review sample solutions and explain pass/fail outcomes.

Skills

CNC machining experience

Production judgment

Written English fluency

Tools

Haas VF-2

Makera Carver

Job description

Mercor is building a high-quality evaluation dataset for CNC manufacturing and seeks experienced CNC machinists to author and validate grading rubrics for CNC machining work. You will bring real production-floor judgment to determine whether a machining approach would be approved or rejected for a production run, and clearly explain your reasoning.

Strong production judgment and writing skills are essential to craft verifiable criteria, explain decisions, and help validate solutions against CAD