Defines machining evaluation criteria and judges whether proposed CNC solutions are safe and production-ready. Suits senior machinists with hands-on production-floor judgment and strong written English.
About the role
This role is for one of our clients
Compensation: $120-$175 per hour
We are seeking experienced CNC machining professionals to contribute to the development of a high-quality evaluation dataset for CNC manufacturing. In this role, you will apply your real-world production experience to assess machining approaches, develop objective evaluation criteria, and determine whether a proposed solution would be suitable for an actual production environment.
You will bring practical shop-floor judgment to evaluating machining strategies, identifying potential safety or quality issues, and explaining why a solution should be approved or rejected.
Requirements
What You'll Do
- Contribute to the development of text-based, objective, and verifiable grading rubrics for CNC machining solutions.
- Evaluate machining approaches across provided CAD models and relevant manufacturing context, including:
- Stock material
- Machine capabilities
- Tooling
- Toolpaths
- Machining strategy
- Define clear criteria for determining whether a machining solution is production-ready.
- Provide concise verification rationale explaining the reasoning behind each evaluation criterion.
- Review sample CNC machining solutions and determine whether they should pass or fail.
- Identify unsafe, impractical, inefficient, or technically incorrect machining approaches.
- Apply real-world production knowledge to ensure evaluation standards reflect actual CNC manufacturing practices.
- Apply real-world production knowledge to ensure evaluation standards reflect actual CNC manufacturing practices.
- 5+ years of hands-on professional CNC machining experience.
- Strong understanding of CNC machining processes and production workflows.
- Demonstrated production-floor judgment and the ability to determine whether a machining approach can be executed safely and reliably on a real machine.
- Ability to identify potential issues involving tooling, machine constraints, workholding, toolpaths, feeds and speeds, or machining strategy.
- Strong attention to detail and analytical reasoning.
- Excellent written English communication skills, as all deliverables will be text-based.
- Ability to clearly explain technical decisions and pass/fail judgments.
- Ability to clearly explain technical decisions and pass/fail judgments.
- Experience working with Haas CNC machines , particularly the Haas VF-2.
- Experience with hobbyist or desktop CNC machines, including the Makera Carvera .
- Familiarity with CAD/CAM workflows and interpreting machining plans or CNC programs.
- Experience training, mentoring, or supervising CNC machinists.
- Previous experience reviewing machining processes for production readiness, quality, or safety.
- Previous experience reviewing machining processes for production readiness, quality, or safety.
- Role: CNC Machining Expert
- Work Arrangement: Fully Remote
- Engagement Type: Independent Contractor
- Schedule: Flexible
- Projects may be extended, shortened, or concluded early depending on project requirements and performance.
- Payments are made weekly based on services rendered through available payment platforms.
- The engagement will not require access to confidential or proprietary information belonging to any employer, client, or institution.
- H-1B and STEM OPT candidates are not currently supported.
Equal Employment Opportunity
We consider all qualified applicants without regard to legally protected characteristics and provide reasonable accommodations upon request.
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