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OpenTrainPhDMaster's

Manufacturing and Industrial Engineering Expert

You will create and assess difficult technical problems used to evaluate AI systems. The work turns real manufacturing and industrial engineering judgment into structured problems with realistic constraints, supporting data, correct analyses, and clear review standards.

Field
Engineering
Where
United States, Algeria, Argentina, Austria, Bahrain, Bangladesh +46 more
Commitment
part time
Asks for
PhD, Master's
Posted
11 days ago

Pay data for your profession: Engineering AI trainer jobs · PhD AI trainer jobs

How this pay compares

At $135/hr (the midpoint of $85 to $185), this role pays more than 93% of the 207 open engineering roles with a listed pay range, above the median of $80.

Open engineering roles that ask for a PhD have a median of $94/hr (34 roles).

Among platforms with 10 or more priced engineering roles, Mercor has the highest median ($88/hr across 35 roles) and micro1 the lowest ($60/hr across 28).

OpenTrain AI roles that closed since late October stayed listed a median of 31 days (122 roles). OpenTrain AI posted this one 11 days ago.

Computed from 2,746 open roles we track across Mercor, micro1, Handshake AI, Alignerr, Appen and OpenTrain AI, refreshed daily. Midpoints of listed ranges; “up to” ceilings are left out of medians.

What you would earn at this rate

Per week, before tax

$2,025

Per month, if the work is steady

$8,775

Tax
Contract pay arrives with no tax withheld. A US contractor at this rate and these hours would set aside about $2,218 a month for self-employment tax plus federal income tax at the 12% bracket (25%, before state tax). Outside the US, your own country's rules apply.

Assumes paid hours only; unpaid assessments, onboarding and gaps between projects lower the real figure. Full take-home calculator · Track what you actually earn

Open engineering roles on each platform

The same kind of work, priced on every platform we track, with the best-paid open role on each.

“Up to” rows list only ceilings, so their median is a maximum, not comparable with the range midpoints above them.

All 263 open engineering roles →

The full listing

As posted on OpenTrain AI. See the original

The work

You will create and assess difficult technical problems used to evaluate AI systems. The work turns real manufacturing and industrial engineering judgment into structured problems with realistic constraints, supporting data, correct analyses, and clear review standards.

  • Design challenging problems in manufacturing process design, production systems, quality engineering, automation, supply chain, or operations modeling.
  • Provide correct solutions and explain your reasoning clearly enough for another engineer to verify.
  • Define objective criteria that help reviewers distinguish sound solutions from plausible but incorrect ones.
  • Review problems created by other contributors for technical accuracy and sound methods.
  • Identify problems that are ambiguous or cannot be graded reliably.

What it pays and takes

This is flexible, fully remote contractor work that can fit alongside your current role.

  • Pay: $85 to $185 per hour.
  • Work arrangement: Fully remote, part time, and flexible.
  • Contract type: Contractor.
  • Location: Open to candidates in the listed countries across the Americas, Europe, Asia, Africa, and the Middle East.
  • Language: Professional fluency in English.
  • Education: A master's degree or PhD in manufacturing, industrial, mechanical engineering, or a closely related field.
  • Experience: Principal, staff, or fellow-level experience at a major manufacturing organization, or a faculty appointment at a leading university.
  • Technical background: Deep expertise in at least one relevant subdomain and hands-on ownership of engineering work.
  • Communication: Strong technical communication and sound judgment when interpreting constraints.
  • Helpful background: Publications, patents, technical leadership, or experience with AI or LLM evaluation.

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 8 screening questions.

About AI training work

AI training and data-labeling work is the human side of building artificial intelligence. Experts create and review examples, problems, and model responses so AI systems can produce more accurate and useful results.

From applying to your first payment on OpenTrain AI

  1. 1

    Create a profile

    Create a free OpenTrain profile with your domains, languages and hourly rate.

  2. 2

    Apply

    Apply to the listing. Some listings hire through OpenTrain; others send you to the hiring platform.

  3. 3

    Funded milestones

    The client funds each milestone before work starts.

  4. 4

    First payment

    OpenTrain pays out to your connected payout method when the client approves the milestone. It doesn't publish a fixed payout schedule.

Sources: OpenTrain: AI training careers, OpenTrain docs: invoicing and payouts

Full OpenTrain AI profile: watch-outs and the public record →

Pay history

OpenTrain AI has listed this role at $85-185/hr since Nov 1, 2026 with no change.

Across OpenTrain AI's engineering roles, the median listed pay was $69/hr on Nov 1, 2026 (50 roles) and is $85/hr as of Nov 11, 2026 (130 roles).

What workers report about OpenTrain AI

Anonymous reports from people who applied or worked there: whether they got work, what they were paid and how fast.

Other engineering roles

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