Mechanical Design / CAD Expert

What you would do

• Evaluate and solve complex mechanical design and CAD problems spanning part and assembly design, geometric dimensioning, tolerance analysis, and manufacturability.
• Evaluate AI-generated technical responses for correctness, accuracy, and alignment with professional engineering standards.
• Perform cumulative tolerance analysis and GD&T evaluation per ASME Y14.5, plus design-for-manufacturability assessment to verify design viability.
• Analyze how mechanical design decisions interact with manufacturing process constraints including machining, sheet metal, injection molding, and casting capabilities.
• Document your technical feedback and engineering reasoning with detailed explanations to improve AI model training.

Who they want

• BS or MS in Mechanical Engineering, Aerospace, or Industrial Design with CSWP/CSWE CAD certification preferred.
• At least 5 years of production design experience with personal ownership of designs through detail drawings, tolerance analysis, and manufacturing release.
• Expert knowledge of parametric CAD platforms like SolidWorks, Creo, NX, CATIA, or Inventor and proficiency with GD&T standards and tolerance analysis methods.
• Understanding of manufacturing process constraints for machining, sheet metal fabrication, injection molding, and casting operations.
• Professional English proficiency with strong written and verbal communication skills for clear technical documentation and feedback.

Main skills

What the interview asks about

1. 1.GD&T correctness and application

   Proper GD&T application ensures parts function correctly and communicate manufacturing intent; evaluators must recognize when tolerance selection is appropriate versus incorrect.

   For example: “An AI response specifies a cylindrical hole with a positional tolerance of 0.010 inches for a close-fit assembly. What questions would you ask about the hole's functional purpose and adjacent features to judge if this tolerance is properly specified?”

2. 2.Tolerance stack-up reasoning

   Stack-up analysis reveals whether responses understand how individual tolerances compound to affect assembly fit and function; poor analysis leads to non-functional designs.

   For example: “A design has five stacked parts with individual tolerances totaling 0.050 inches but a functional requirement of 0.045 inches maximum variation. How would you explain why this design cannot meet production reality and what correction you'd suggest?”

3. 3.Manufacturing constraint integration

   Production-viable designs must respect process-specific limitations; responses ignoring manufacturing realities fail despite theoretical correctness.

   For example: “An AI response recommends a 0.250-inch wall thickness for an injection-molded part with a 6-inch feature span. Why might this thickness create manufacturing issues, and what analysis would you use to find an appropriate value?”

4. 4.CAD model quality assessment

   Model quality affects manufacturability communication, assembly simulation accuracy, and downstream CAM processes; poor models hide design problems.

   For example: “You review a CAD assembly where boss and hole features are modeled with hard-coded dimensions rather than parametric relations to part origin. What downstream consequences would this modeling approach create for ECR/ECN iterations?”

5. 5.Design release and documentation

   Production drawings must communicate intent unambiguously and include all constraints; incomplete documentation causes manufacturing confusion and scrapped parts.

   For example: “An AI-generated drawing shows a machined pocket without specifying whether it requires datum referencing or has tight perpendicularity to the mounting surface. How would you determine what documentation the drawing needs before release?”

A task you may get

Evaluate a mechanical design scenario involving part geometry, assembly constraints, GD&T requirements, and manufacturing feasibility, then document your technical assessment explaining correctness or identifying issues.

How to prepare

• Review ASME Y14.5 standards documentation, particularly datum establishment, geometric controls, and tolerance zones for your most-used feature types.
• Document 3 examples from your production design experience where tolerance stack-up analysis changed a design decision or prevented manufacturing issues.
• Gather technical drawings from designs you released showing part complexity, tolerance choices, and GD&T reasoning that demonstrate your judgment.
• Prepare examples of how manufacturing processes you've worked with impose specific constraints on geometry, draft angles, radii, or feature placement.

The facts

Pay

$60–130/hr

Open to

Bangladesh, Hong Kong, India, Indonesia, Japan, Kazakhstan, Kyrgyzstan, Malaysia, Pakistan, Philippines, Singapore, Sri Lanka, Taiwan, Thailand, Uzbekistan, Vietnam, Austria, Belarus, Belgium, Denmark, France, Germany, Greece, Italy, Netherlands, Portugal, Russia, Spain, Switzerland, United Kingdom, Argentina, Brazil, Chile, Colombia, Mexico, Peru, Algeria, Bahrain, Egypt, Iraq, Jordan, Kuwait, Lebanon, Libya, Morocco, Oman, Palestine, Qatar, Saudi Arabia, Tunisia, United Arab Emirates, United States, Canada, Nigeria, Kenya, South Africa, Ghana, Ethiopia

Field

Applied Engineering

Role type

Specialist

Posted

7/30/2026

Places left

25

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