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OpenTrain AIFor AI Companies

Senior Machinist and Construction Field Operations Lead

Review machining drawings, CNC documents, and construction plans to help improve AI systems. This remote contractor role takes about 10 hours per week, offers flexible scheduling, and pays $40 to $60 per hour.

Apply now

How the AI interview works

  1. Apply here on OpenTrain. You create a free account, and we send you to the hiring platform.
  2. Complete your application on the hiring platform.
  3. The next step is a short AI interview (technical roles include a coding challenge). Passing it is how you qualify for paid tasks, so take it soon after you are invited.

What to expect

  • It is a conversational interview with an AI recruiter.
  • You can take it any time, from anywhere.
  • It asks open-ended technical questions based on the role, and scenario questions on how you think, solve problems and communicate.
  • You see right away whether you meet the certification criteria. If you do not, you can ask for feedback.
OpenTrain AI

General Annotation

Remote Hourly · $40–$60/hr

$40–$60/hr

Compensation

Contract, part-time

Engagement

Remote

Location

Sep 30, 2026

Posted

Open in 52 countries

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

The work

You will provide practical expert feedback on technical documents used to train AI systems. The work connects technical documentation with real-world machining and construction field execution.

You will explain technical decisions and recommendations clearly in writing and conversation, using your industry experience and applicable standards.

  • Review advanced machining drawings and Geometric Dimensioning and Tolerancing specifications.
  • Assess CNC setup and programming documents, including best practices and common troubleshooting concerns.
  • Evaluate construction plan sheets for missing information, potential issues, and ways to improve clarity.
  • Give detailed feedback grounded in field experience and relevant technical standards.

What it pays and takes

  • Pay: $40 to $60 per hour.
  • Schedule: About 10 hours per week with flexible scheduling.
  • Work arrangement: Fully remote contractor role.
  • Location: Open to candidates across the listed countries in North America, South America, Europe, Asia, Africa, and the Middle East.
  • Language: Fluent English.
  • Experience: At least 10 years in a relevant senior machining, construction, drilling, mining, cabinetmaking, or fire operations role.
  • Technical skills: Strong ability to interpret technical drawings, machining documents, and field plans, plus expertise in CNC programming, machining processes, and GD&T application.
  • Standards knowledge: Familiarity with United States construction, fire, or mining codes and standards.
  • Communication: Clear, articulate written and verbal communication.
  • Relevant backgrounds include master machinist, construction superintendent, drilling engineer, mine planner, cabinetmaker, or fire officer experience.

How it works

You apply here in about two minutes and finish on the hiring platform. The next step is a short AI interview (technical roles include a coding challenge). Passing it is how you qualify for paid tasks, so take it soon after you are invited.

The hiring platform's application for this job asks for your resume, your LinkedIn profile, your phone number, your location and answers to 4 screening questions.

About AI training work

AI training work uses human judgment to help improve artificial intelligence. People review documents, write or rate responses, and provide examples so AI systems can interpret information more accurately; experienced professionals are paid for the specialist knowledge they bring.

Requirements

  • Experience: Mid-Senior level
  • Languages: English

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