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Hiring now · posted 10d ago Science Contract · Remote

Engineering Design & Simulation Specialist

$65–$123/hr

Published pay. The final rate depends on your test, experience and country.

Remote · Worldwide 25 openings Language: English Posted 3 Nov 2026

Engineering Design & Simulation Specialist is remote AI-training work for engineers, paying $65–$123/hr, open to applicants worldwide. Posted 3 Nov 2026, still open on 13 Nov 2026. Zekai lists it for free; the application goes to the employer's platform.

About this role

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Engineering Design and CAD Specialist

Role type: Contractor

Location: Remote, worldwide

Commitment: Part-time, flexible hours

About the opportunity

our partner is looking for experienced CAD designers and mechanical engineering professionals to contribute to an AI training project focused on mechanical design.

In this role, you'll apply your CAD expertise to create and modify 3D models, solve realistic mechanical design challenges, and document your design process step by step. Your work will help AI systems better understand engineering design workflows, technical constraints, and the reasoning behind design decisions.

We're looking for professionals who are comfortable working with parametric CAD software and can clearly explain how they approach complex design tasks.

What you'll do

  • Create and edit 3D CAD models of mechanical parts and assemblies based on technical specifications.
  • Develop parametric models using sketches, constraints, dimensions, and feature trees.
  • Design and modify mechanical components while considering functionality, manufacturability, and engineering requirements.
  • Review CAD models for dimensional accuracy, tolerances, geometric consistency, and manufacturing feasibility.
  • Complete advanced CAD design tasks and document your workflows step by step, explaining key decisions and modeling techniques.
  • Create clear technical instructions and detailed prompts for mechanical design tasks.
  • Apply engineering judgment to identify design issues, improve models, and explain potential solutions.

Preferred qualifications

  • Hands-on experience with 3D parametric CAD modeling, mechanical parts, and assemblies.
  • Good understanding of mechanical design principles, geometric dimensioning and tolerancing (GD&T), and manufacturing processes.
  • English proficiency at B2 level or higher.
  • Professional experience using SolidWorks or similar parametric CAD software.
  • A master's degree or PhD in Mechanical Engineering or a related field.
  • Previous experience with human data projects, such as data annotation, reinforcement learning from human feedback (RLHF), or AI model evaluation.
  • Familiarity with manufacturing methods such as CNC machining, sheet metal fabrication, injection molding, or reverse engineering.

Engagement details

  • Contract type: Independent contractor
  • Location: Fully remote, open to candidates worldwide
  • Schedule: Part-time with flexible working hours
  • Project focus: CAD modeling, mechanical design, and technical workflow documentation

Application process

After submitting your application, you'll complete an AI interview designed to assess your relevant experience and technical knowledge.

About our partner

  • our partner is a data lab that connects professionals with opportunities to apply their expertise to customer projects. We work with specialists across fields such as engineering, finance, healthcare, and law to support AI labs and enterprises. Through our extended network, contributors bring their knowledge and judgment to projects with their own scope, requirements, and engagement terms.

This is a 100% remote contract role, open to applicants worldwide in the countries the employer accepts.

solidworksparametric-cad-modelingcad-editing

How applying works

  1. Click Apply now and enter your email.
  2. You go straight to the application. We email you a copy of this role and your link.
  3. Most platforms ask for a CV and a short skills test or AI interview in your field.
How to get this job

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What to know before you apply

Pay
At the published rate, 10 hours a week would be about $650–$1,230 and 20 hours about $1,300–$2,460 before tax. Hours depend on the project, so treat this as a ceiling, not a promise.
Openings
25 openings means this is a high-volume project. You are not competing for one seat: if you pass the test, there is room for you.
Location
Open worldwide in the countries the employer accepts. Payments usually go out through services like PayPal or Wise, so check one of them works in your country.
Credentials
The listing asks for a PhD. Put it in the first line of your profile: reviewers screen for it before anything else.
Test tips for engineers
  • Check units, loads and code references in every answer.
  • Sketch the system or structure before judging the AI's description of it.
  • Name the standard (Eurocode, ASCE, IEC…) you are applying.
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