CNC Machining Expert
Mercor (client confidential) · Remote — Global · Remote
- Pay
- $120–175/hr
- Commitment
- part-time
- Hours / week
- ~40
- Source
- mercor
About this role
About the role We're building a high-quality evaluation dataset for CNC manufacturing and are looking for experienced CNC machinists to help author and validate grading rubrics for CNC machining work. You'll 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. What you'll do - 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. Minimum requirements - 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). Preferred - Experience with hobbyist machines (Makera Carvera) and Haas machines (VF-2).
Skills & domains
- ai-training
- rlhf
- sme
- annotation
- Other Engineering