Looking for work that applies mechanical engineering knowledge to AI training? These roles can involve helping prepare or review the examples that artificial-intelligence systems learn from, including technical text, images, responses, or other labeled data. OpenTrain is the hiring organization for roles on OpenTrain. Candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they will support.
Use CFD, aerodynamics, Python, and scientific computing expertise to create and review engineering tasks that help train AI. This fully remote contractor role offers flexible work of approximately 15 hours per week.
Posted Sep 8, 2026
Help train AI on mechanical engineering design, simulation, and technical problem-solving using Python and programmatic engineering tools. Work remotely as a contractor for about 15 hours per week at $80 to $130 per hour.
Posted Sep 8, 2026
Use your aerodynamics, CFD, and Python expertise to create, validate, and review reproducible engineering tasks for AI training. This fully remote contractor role offers $80–$130 per hour for under 20 hours per week.
Posted Sep 8, 2026
Use mechanical engineering, simulation, and Python expertise to create, solve, and validate tasks for AI training. Work remotely for about 15 hours per week at $80 to $130 per hour.
Posted Sep 7, 2026
Use your CAD and manufacturing expertise to evaluate AI-generated workflows, assess technical accuracy, and create practical evaluation rubrics. This fully remote contractor role offers flexible work under 20 hours per week.
Posted Sep 4, 2026
Use your CAD, CAM, CNC, and manufacturing expertise to evaluate AI-generated workflows, refine review rubrics, and explain technical decisions. This worldwide, part-time contractor role offers $80 to $130 per hour.
Posted Sep 4, 2026
Use advanced mechanical engineering and CAD expertise to evaluate AI-generated technical responses, solve design problems, and improve AI reasoning. This remote contractor project requires under 20 hours per week and pays $90 per approved task.
Posted Sep 4, 2026
Use your CAD, CAM, and CNC expertise to evaluate AI-generated manufacturing content, develop quality rubrics, and help train next-generation AI systems. This remote contractor role requires fewer than 20 hours per week.
Posted Sep 4, 2026
Use advanced parametric CAD and mechanical engineering expertise to help train next-generation AI systems. This remote contractor project pays $40-$100 per hour and is expected to run for 3 to 6 months.
Posted Sep 4, 2026
Use advanced mechanical engineering expertise to evaluate AI-generated technical responses, solve complex analysis problems, and improve model reasoning. This remote contractor project requires under 20 hours weekly and may begin within 48 hours of onboarding.
Posted Sep 3, 2026
Turn authentic materials science and engineering work into rigorous AI evaluation tasks, grading criteria, and reasoning analyses. This remote freelance role pays $60-$90 per hour with a default 40-hour weekly commitment.
Posted Sep 1, 2026
Use your expert CAD, CadQuery, and Python skills to convert STEP files into simple, editable, executable parametric models. This worldwide contractor project is expected to run for 1 to 3 months and pays $20 to $40 per hour.
Posted Sep 1, 2026
Use your aerodynamics and CFD expertise to evaluate AI-generated technical content, solve advanced fluid dynamics problems, and improve aerospace AI systems. This remote contract offers flexible work under 20 hours per week at $60 to $130 per hour.
Posted Aug 31, 2026
Use Python and CAD tools to turn dimensioned engineering drawings into precise 3D solid models for AI training. This worldwide contract role offers flexible work under 20 hours per week at $50 to $100 per hour.
Posted Aug 30, 2026
Use your CAM, CNC, and Autodesk Fusion 360 expertise to evaluate AI-generated manufacturing content and develop process-quality rubrics. This fully remote contractor project is expected to run for 3 to 6 months.
Posted Aug 29, 2026
Create graduate-level computational engineering benchmarks that test advanced AI models on real scientific software workflows. Use Python, Linux, and engineering expertise in a flexible worldwide contractor role paying $70 to $85 per hour.
Posted Aug 21, 2026
Create and validate precise parametric FreeCAD models that help train AI systems, using mechanical design, GD&T, and engineering judgment. This remote contractor role offers 20+ hours per week at $40 to $100 per hour.
Posted Aug 19, 2026
Use advanced mechanical CAD and manufacturing expertise to create, edit, and review parametric models for AI training data. This remote contractor role offers 20+ hours per week and pays $40 to $100 per hour.
Posted Aug 19, 2026
Use advanced parametric CAD, GD&T, and design-for-manufacturability expertise to create, revise, and audit mechanical models for an AI training project. This worldwide contractor role offers 20+ hours per week and pays $30 to $100 per hour.
Posted Aug 19, 2026
Use advanced parametric CAD and manufacturing expertise to create, review, and improve mechanical model training data for AI. This worldwide contractor role offers 20+ hours per week and pays $40-$100 per hour.
Posted Aug 19, 2026
Use advanced FreeCAD and mechanical engineering expertise to review parametric models, assemblies, and technical drawings that help train AI systems. This remote contractor role offers flexible part-time work at $40-$100 per hour.
Posted Aug 19, 2026
Use FreeCAD and real-world manufacturing expertise to create production-ready mechanical models, drawings, and assembly documentation for AI training. This remote contractor role offers approximately 15 to 20 hours per week at $40 to $100 per hour.
Posted Aug 19, 2026
Use your FreeCAD expertise to create realistic CAD tasks, record reproducible workflows, and evaluate computer-use AI systems. This remote contractor role offers flexible hours and up to $20 per hour in eligible countries.
Posted Aug 19, 2026
Use advanced CAD, simulation, and engineering expertise to create and review technical tasks that help train and evaluate AI models. This worldwide contractor role offers flexible part-time work for professionals with 10+ years of experience.
Posted Aug 16, 2026
Create realistic FreeCAD workflows, screen recordings, and documentation that help train advanced AI models. This remote, part-time contractor role pays $20 per hour and requires 20+ hours weekly.
Posted Aug 15, 2026
Use your mechanical engineering technology expertise to create technician workflow tasks, technical datasets, and grading rubrics for advanced AI benchmarks. This remote contractor role pays $30 to $70 per hour and requires less than 20 hours weekly.
Posted Aug 12, 2026
Use your mechanical design expertise to create CAD models, interpret technical drawings, and help train advanced AI systems. This remote contractor role offers flexible work under 20 hours per week at $55-$100 per hour.
Posted Aug 12, 2026
Use advanced CAM, CNC, and Autodesk Fusion 360 expertise to evaluate AI-generated manufacturing workflows. This remote, part-time contract pays $50 to $120 per hour and requires 20+ hours weekly.
Posted Aug 8, 2026
Use advanced CAM, CNC machining, and Fusion 360 expertise to evaluate AI-generated manufacturing workflows and recommendations. This remote contract offers 20+ hours per week at $80-$120 per hour.
Posted Aug 6, 2026
Use Autodesk Fusion 360 to develop and evaluate advanced 3-, 4-, and 5-axis CNC toolpaths that help train next-generation AI systems. This worldwide contractor role offers 20+ hours per week at $80-$120 per hour.
Posted Aug 6, 2026
Mechanical engineering subject-matter work can help make AI training data more accurate and useful. Depending on the individual posting, tasks may involve applying engineering concepts and terminology while annotating content, reviewing model responses, evaluating technical information, or checking whether examples meet stated labeling guidance. Some assignments may also involve images, video, audio, text, or code when those materials relate to the project. Read each live posting carefully to understand the actual responsibilities and requirements for that role.
OpenTrain hires for the public roles available through OpenTrain. Candidates apply through OpenTrain, and successful candidates may be placed or referred to the client whose project they will support. Because each project can have its own requirements, the individual live posting is the source of truth for the role’s eligibility, qualifications, responsibilities, and other terms.
