Looking for Engineering work that contributes to AI systems? These roles apply engineering subject-matter expertise to AI training and data-labeling work, which can include reviewing code or evaluating examples. OpenTrain is the hiring organization for these roles. Candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they support.
Review robotics and human-activity videos, evaluate AI-generated annotations, and provide precise feedback as a remote contractor earning $15–$80 per hour.
Posted Aug 14, 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
Create rigorous engineering problems and evaluate AI-generated technical responses using your professional expertise in areas such as mechanical design, aerodynamics, materials, CAD, or circuit systems.
Posted Aug 11, 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 hands-on robotics and mechatronics expertise to evaluate advanced AI coding agents, debug complex codebases, and provide structured engineering feedback. Remote contractors can work 20+ hours weekly at $80–$100 per hour.
Posted Aug 8, 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 as an AI Model Reviewer to evaluate and generate high-quality examples, prompts, and rationales that improve model reasoning — remote, contractor work at $100–$180/hr for 20+ hours/week. Ideal for experts in law, education, engineering, science, or writing.
Posted Jul 30, 2026
Join OpenTrain AI as a Semiconductor Devices & Microelectronics Expert to create and review technical explanations that train generative AI models; remote contractor role paying $66–$130/hr for 20+ hours/week. Use your device-physics and microfabrication expertise to rate and generate text for AI tr
Posted Jul 30, 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
Review BIM models and construction drawings using Revit and Navisworks to detect clashes, document root causes, and recommend technical fixes for AI training and model evaluation; remote contract, ~20+ hours/week.
Posted Jul 24, 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 AI is hiring a licensed US electrical engineer to review and rate written content and AI-generated responses for technical accuracy. Flexible, remote contract work ~10 hours/week at $65–$90/hr for subject-matter experts with a PE license and 2+ years' experience.
Posted Jul 23, 2026
Join OpenTrain as a remote, part-time Chemical Engineering AI Expert to evaluate technical written content and AI responses; must hold a US PE license and 2+ years' experience. Competitive pay: $65–$90/hr; expected part-time commitment of 20+ hours/week.
Posted Jul 23, 2026
Join OpenTrain as a Civil Engineering AI Evaluation Expert to review and rate AI-generated civil engineering content, answer technical questions, and provide professional feedback. Flexible part-time contract (approx. 10 hrs/week), US-only, $65–$90/hr for licensed PE engineers.
Posted Jul 23, 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
Remote, part-time contract role writing and reviewing graduate-level electrical engineering exam questions and model outputs; flexible under 20 hrs/week, paid $40–$130/hr. Ideal for PhD or advanced master's holders with university teaching and assessment experience.
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
Experienced CAD users in the US or Canada: earn $70–$90/hr capturing professional CAD screenshots, annotating UI elements, and writing task instructions for an AI training project. Contract, part-time work starting with a closely reviewed pilot.
Posted Jul 10, 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
Join OpenTrain AI to design and review technical multiple-choice questions and rubrics that train and evaluate electrical-engineering models. Remote, asynchronous contractor work at $60–$80/hr for 20+ hours/week, focused on technical accuracy and pedagogical quality.
Posted Jul 10, 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
Lead QA for AI-generated electrical engineering content: review circuit analyses, calculations, diagrams, and troubleshooting write-ups and provide precise written feedback. Remote contractor role (20+ hrs/week) at $105/hr; requires an EE degree and 3+ years' professional experience.
Posted Jul 8, 2026
Lead quality assurance for AI-generated civil engineering content—review calculations, assumptions, units, and safety, give structured written feedback, and maintain QA materials. Contractor role (US only), remote, 20+ hrs/week, up to $105/hr.
Posted Jul 8, 2026
Contract remote role reviewing and improving AI-generated electrical engineering solutions; $40–$100/hr, 20+ hours/week. Must have hands-on EE expertise, strong written communication, and prior exposure to technical model evaluation.
Posted Jul 8, 2026
Join OpenTrain to evaluate and improve AI-generated civil engineering outputs, providing technical feedback on calculations, assumptions, safety, and professional judgment. Remote contractor role, 20+ hours/week, paid $45–$100/hr; English fluency and 4+ years civil engineering experience required.
Posted Jul 8, 2026
Engineering-focused AI training can involve using technical judgment to prepare, label, or review examples for artificial-intelligence systems. Depending on the individual posting, the work may include reviewing code, rating model responses, evaluating outputs, or applying engineering knowledge to other data-labeling tasks. The specific discipline, responsibilities, qualifications, and project requirements can differ, so inspect each live posting carefully before deciding whether to apply.
OpenTrain is the hiring organization for roles available through OpenTrain. Candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they will support. Eligibility, responsibilities, qualifications, experience, pay, hours, schedule, location rules, and client requirements are determined by the individual live posting.
