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STEM mercor

Manufacturing Operations Reviewer

Mercor • Remote

Education

Not stated

Type

Hourly

Pay Rate

$55–$65/hr

Listed

30d ago

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About this role

From the Mercor listing

The role

We're hiring working manufacturing professionals to audit AI work product in their own field, not to produce it.

You'll see an AI agent's complete attempt at a realistic task from your job: the task as written, what the agent did, the files it produced, and the scoresheet an AI grader filled in afterwards. You bring the judgment of someone who does this work for a living, and answer four questions:

  1. Is this a real task? Would it come up in this job, described this way? Realistic, borderline, or contrived.

  2. Is the domain content right? Are the standards, figures, regulations and constraints accurate and consistent, or is something subtly wrong in a way only a practitioner would catch?

  3. Does the grading hold up? The grader answered eleven yes/no questions about the finished work: correct format, fabricated figures, requirements met, terminology, and so on. You go through them with the files open and say where you disagree, and why.

  4. Is the score defensible? Band the work yourself. Could a practitioner use it? Accept it? Then check the reported score against your band.

About an hour per item. You never perform the task or redo the agent's work.

Who we're looking for

Five roles. Apply to the one that's actually yours:

  • Buyers and Purchasing Agents. 5+ years placing real POs and negotiating with suppliers you were accountable for.

  • First-Line Supervisors of Production and Operating Workers. 5+ years running a shift or a line, owning the schedule and the people on it.

  • Mechanical Engineers. 4+ years designing parts or systems that got built. PE a plus.

  • Industrial Engineers. 3+ years doing capacity, throughput, layout or time studies that changed how a plant ran.

  • Shipping, Receiving and Inventory Clerks. 4+ years owning receiving, cycle counts and inventory accuracy in a real warehouse or plant.

We want people who know the field cold: anyone who has done a root-cause investigation, run a PPAP or first-article inspection, owned a cycle-count variance, or had to explain to an operator why a method sheet was wrong. Less of a fit are people whose experience is entirely planning software rather than the floor, and engineers who only ever ran simulations.

Also required: near-native business English, because you write a short reason for every judgment, and enough comfort with a spreadsheet or PDF to check whether the numbers in it reconcile.

Requirements

  • Must be eligible to work in Remote
  • Fluent proficiency in English (Written & Verbal)
  • Reliable high-speed internet connection
  • Bachelor's degree or equivalent professional experience
  • Demonstrated expertise in STEM

How long hiring takes

Across the AI training platforms we refer candidates to, the median gap between referral and hire is about 30 days. It varies by platform and role, so treat it as a rough guide for this one.

Within 2 weeks
~25%
Within 6 weeks
~60%
Within 3 months
~80%

Talent Pool members

Apply through this link and we can put you forward to Mercor when your profile is a strong match. Not every applicant is submitted. If you're not in the pool yet, set up your profile first.

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Why this role

Being remote means this Manufacturing Operations Reviewer position pays $55–$65/hr regardless of your zip code, opening up STEM work that used to require living in one of a handful of cities.

Talent pool

We're light on STEM candidates

We've matched 65 people with a STEM background against 726 STEM listings we've tracked, so most go out without one. Set up a profile and we'll consider you for a role like this one.

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Skills and categories

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Common questions

Is Mercor for freelancers or full-time contractors?

Mercor places you with one client for a defined engagement, like 'Python Tutor for 3 months', rather than having you grab small tasks from a shared queue. Most roles function as steady contract work, not one-off gigs.

Does Mercor's application require an on-camera interview?

Yes, every applicant records a video interview with an AI interviewer that asks questions about your resume. Clients review that recording to judge communication skills before matching, so there's no way to apply without going on camera.

Do I need a PhD for academic-niche AI training roles?

For the top pay tiers, a PhD or current enrollment is usually expected. But the domain assessment is what decides it: if you can solve the problems, the degree becomes secondary.

Is academic-niche AI training a continuous job?

Usually not. Work runs in campaigns, like training a model specifically on quantum mechanics, that might last a few weeks. Treat it as a high-paying fellowship or grant rather than a permanent daily job.

What does STEM work look like for a Manufacturing Operations Reviewer?

Tasks here are scoped to STEM, not generic labeling. As a Manufacturing Operations Reviewer, expect to draw on real domain judgment (evaluating outputs, correcting errors, or providing expert reasoning specific to STEM) rather than following a one-size-fits-all rubric. If you don't have hands-on STEM background, this is likely not the right listing to start with.

What specific skills does this listing call for?

Coding and English are named directly in the listing. If you don't have hands-on experience with these, expect the screening process to test for them directly rather than accepting adjacent experience as a substitute.

How much does this specific role pay?

This listing is posted at $55–$65/hr, an hourly rate. The range reflects experience level and negotiated terms, not a placeholder, so where you land in it depends on your background and the assessment. Pay can change between when we last checked the listing and when you apply, so confirm the current number on the platform's own application page before committing time.

What happens when I click Apply on this listing?

You'll be taken to Mercor's external site to complete your application there. This listing links through a referral, but the process is identical to applying directly; the link just routes you correctly. Create an account on their site and follow their onboarding steps.

How soon will I start working after applying to Mercor?

Not immediately. Mercor is a talent marketplace, not a task queue, so applying puts you in a pool of candidates. You start working only once a specific client, like a major AI lab, selects your profile, and that matching process can take weeks.