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 your hands-on mechanical engineering technology expertise to create technician workflow tasks, technical datasets, and grading rubrics for advanced AI benchmarks. Remote contract work pays $30-$70 per hour for less than 20 hours per week.
Posted Aug 12, 2026
Use your mechanical design expertise to help train advanced AI systems. Build 3D CAD models, interpret technical drawings, review engineering outputs, and earn $55–$100 per hour remotely on a flexible contract.
Posted Aug 12, 2026
Author objective grading rubrics and evaluate Fusion 360 CAM programs for CNC manufacturing AI training. Use your 5+ years of CAM programming experience in a flexible, remote contractor role paying $120–$175 per hour.
Posted Aug 12, 2026
Use your mechanical simulation and CAE expertise to train AI coding systems on complex engineering workflows, debugging, code generation, and architectural changes. This remote contractor role offers $80–$100 per hour and requires 20+ hours weekly.
Posted Aug 8, 2026
Apply CAM, CNC machining, and Autodesk Fusion 360 expertise to evaluate AI-generated manufacturing workflows. This remote contractor role offers flexible part-time work at $50–$120 per hour, with a 20+ hour weekly commitment.
Posted Aug 8, 2026
Review CNC manufacturing job packs for authenticity, technical relevance, completeness, and workflow consistency. This remote, part-time contractor role pays $40-$50 per hour and requires practical CNC and manufacturing documentation experience.
Posted Aug 7, 2026
Apply your CAM, CNC machining, and digital manufacturing expertise to evaluate AI-generated workflows and recommendations. This remote contractor role offers flexible part-time work at $80–$120 per hour, with a 20+ hour weekly commitment.
Posted Aug 6, 2026
Use Fusion 360 and advanced CNC expertise to create multi-axis toolpaths, manufacturing documentation, and CAM training content that helps shape next-generation AI systems. Remote contract work pays $80–$120 per hour.
Posted Aug 6, 2026
Use your CNC machining expertise to help train next-generation AI systems on real-world production, tooling, and quality-control processes. Remote contract work offers flexible scheduling, 20+ hours per week, and $80–$120 per hour.
Posted Aug 6, 2026
Use advanced Autodesk Inventor and mechanical engineering expertise to create, revise, and evaluate CAD models for AI training. This remote contractor role offers flexible part-time work at a listed rate of $30-$100 per hour.
Posted Aug 4, 2026
Use advanced mechanical CAD expertise to create and review parametric parts and assemblies for AI training. This remote contractor role offers approximately 15–20 hours per week at $40–$100 per hour.
Posted Aug 4, 2026
Use your mechanical CAD expertise to create, edit, and evaluate parametric models that help train AI systems. This flexible, remote contractor role offers less than 20 hours per week and pays $40–$100 per hour.
Posted Aug 4, 2026
Join OpenTrain to evaluate and improve AI-generated mechanical engineering content across mechanics, thermodynamics, fluids, heat transfer, vibrations, and manufacturing; part-time contractor role at $80–$100/hr, 20+ hours/week. Provide detailed technical judgments and written rationales to train ne
Posted Jul 30, 2026
Apply advanced mechanical design and CAD expertise to help train next-generation AI systems. This worldwide, part-time contractor role offers flexible work at $66–$130 per hour.
Posted Jul 30, 2026
Join OpenTrain AI to review and annotate technical materials science documents, evaluate AI-generated engineering content, and create domain-specific training scenarios — part-time, remote, and paid $80–$130/hr for ~20+ hours/week.
Posted Jul 29, 2026
Join OpenTrain as an Aerodynamics Expert to review, summarize, and rate advanced aerodynamic and CFD documentation for AI training projects; remote contractor work, 20+ hours/week, $80–$130/hr. Help turn engineering results into high-quality training data for next-generation models.
Posted Jul 29, 2026
Join OpenTrain to create and validate parametric FreeCAD models used to train AI—build libraries of mechanical parts and apply GD&T standards while working 20+ hours/week as a contractor paid $40–$100/hr. Intermediate CAD and mechanical design experience required.
Posted Jul 23, 2026
Join OpenTrain to review and improve AI-generated mechanical engineering content—provide expert answers, cite references, and give practical feedback. Remote US-only contractor role, ~10 hours/week, $65–$90/hr.
Posted Jul 23, 2026
OpenTrain is hiring a remote contractor to review and produce production-ready parametric 3D CAD models, engineering drawings, and technical documentation. Part-time, 20+ hours/week; pay range $40–$100 USD/hr (posted rate $100/hr).
Posted Jul 21, 2026
Join OpenTrain AI as a part-time, contract Senior FreeCAD Engineer reviewing and producing parametric CAD models, assemblies, and production drawings. Remote, 20+ hrs/week; pay range $40–$100/hr (USD).
Posted Jul 18, 2026
Create graduate-level multiple-choice questions and exam-quality rationales, review AI-generated mechanical engineering content, and help ensure technical accuracy; contract, remote role paying $60–$130/hr for ~20+ hours/week.
Posted Jul 14, 2026
Join OpenTrain AI as a remote Architect CAD and Construction Documentation Reviewer—work 20+ hrs/week creating and reviewing CAD drawings, GD&T callouts, electrical schematics, and PCB layouts to train next-generation AI; $40–$50/hr, worldwide, English required.
Posted Jul 11, 2026
Create technically rigorous single-choice questions and answer rationales for mechanical engineering AI training. Remote contractor role, 20+ hrs/week, $50–70/hr (typical $70/hr); MS or PhD in Mechanical Engineering required.
Posted Jul 10, 2026
Lead QA for AI-generated mechanical engineering content: review calculations, safety, clarity, unit consistency, and trainer work to keep technical outputs accurate. Contractor, part-time (20+ hrs/week), US-based, $75/hr, requires a mechanical engineering degree and 3+ years' experience.
Posted Jul 9, 2026
Join OpenTrain to review, rate, and write AI-generated mechanical engineering solutions in a remote contractor role paying up to $70/hour. Requires an engineering degree, strong fundamentals in mechanics and related subjects, C1 English, and 20+ hours/week availability.
Posted Jul 9, 2026
Join OpenTrain as an Engineering Document Review Expert to evaluate technical reports, design documents, and project analyses for AI training — remote contractor role, 20+ hours/week, paid $20–$40 USD/hour. Ideal for engineers with technical-reporting experience.
Posted Jul 3, 2026
Teleoperate robotic arms and humanoid robots in a US on-site lab to produce high-quality demonstration data for physical AI models, with pay from $30–$55/hr. OpenTrain AI is hiring contractors and part-time operators across 24/7 shifts (20+ hrs/week).
Posted Jun 30, 2026
Apply your PhD engineering expertise to write authoritative responses, design experiments, and analyze results for AI training; remote, part-time contract at $80–$90/hr for 20+ hours/week. English required; worldwide applicants welcome.
Posted Jun 30, 2026
Join OpenTrain AI as a remote Engineering Technical Documentation Reviewer earning $40–$50/hr by reviewing blueprints, CAD outputs, and inspection reports to train AI systems. This part-time contractor role requires 20+ hours/week, English fluency, and real-world technical documentation experience.
Posted Jun 30, 2026
Write original computational mechanical-engineering problem sets and deliver fully reproducible Python solutions using NumPy, Pandas, and SciPy; part-time contractor role (20+ hrs/week) with pay up to $50/hr. CV in English required; some locations are restricted.
Posted Mar 29, 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.
