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Mercor · General projects

Mechanical Engineering Writer

Listed on Mercor as “Mechanical Engineering Writer”

$80/hrRemoteContractPaid in USD
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How this rate compares

This listing

$80 per hour

Typical in General projects

$55–$70 per hour

Above the typical range

Typical: the middle of the lowest and highest rates posted by 119 listings in this category on Seoulstart, in US dollars.

What this actually is

You complete short labeling tasks, record everyday activities, or evaluate AI outputs across general knowledge domains. Open to most backgrounds. The platform title (Mechanical Engineering Writer) reflects the rate band and the expertise required, not the day-to-day work.

How Mercor picks people

  1. Upload your CV and answer the role's written questions.
  2. Do a video interview with Mercor's AI interviewer. Most take about 20 minutes, in English unless the role says otherwise.
  3. Some roles add a skills test. A test you pass once counts for similar roles.
  4. The project team reviews your results and sends offers to the people it picks.

Before you start

  • Take Mercor's free practice interview first. It does not count toward any application.
  • Use Chrome on a computer with a camera and microphone, in a quiet room.
  • You can retake an official interview up to 3 times, but hiring teams see how many times you retook it.

Not every applicant gets an offer. Prepare well for the interview.

How to prepare for the Mercor interview

Source: Mercor's help pages. talent.docs.mercor.com

Can you do this on your visa?

F-2 / F-4 / F-5 / F-6: open. E-1 to E-7: needs concurrent-employment permit. D-2 / D-4 students: S-3 permit, 20 hr/week cap. D-10 / D-8: case by case.

Korean tax on USD income

First 5 years in Korea: foreign-source income only taxed if remitted into Korea. After year 5: worldwide income. Full tax guide.

Original posting from Mercor

Role Overview

  • Mercor is seeking senior mechanical engineering professionals to build evaluation tasks for AI systems operating in Fortune 500 enterprise product design and manufacturing contexts.
  • The workflows are calibrated to the design complexity, safety stakes, and production scale of Fortune 500 and large industrial manufacturers.
  • This role builds worlds on two standards tracks: a US track (ASME) and an International track (ISO). Experts qualified in either or both tracks are encouraged to apply.
  • Contributors design enterprise mechanical engineering scenarios, draft reference outputs, and write rubrics that capture how senior F500 engineering leaders think.

Key Responsibilities

  • Construct enterprise mechanical engineering scenarios spanning complex product design cycles, multi-stakeholder design reviews, and manufacturing or regulatory certification processes at F500 accounts.
  • Build tasks across F500 product design and CAD modeling, thermal/fluid systems analysis, structural and stress analysis, manufacturing process engineering, and reliability/failure analysis.
  • Develop engineering scenarios involving tools such as SolidWorks, ANSYS, CATIA, MATLAB/Simulink, and enterprise PLM systems (Siemens Teamcenter, PTC Windchill) in F500 stacks.
  • Apply enterprise mechanical engineering methodologies (FEA/CFD simulation, DFM/DFA principles, Six Sigma/DFSS, GD&T per ASME Y14.5 or ISO GPS) and produce reference design specifications, engineering analyses, and executive-level technical narratives.
  • Author rubrics that distinguish authentic enterprise mechanical engineering judgment from generic textbook or coursework-level recall.

Ideal Qualifications

  • 5+ years working as a mechanical engineer or engineering lead at a Fortune 500 or major industrial, automotive, aerospace, or manufacturing company (GE, Boeing, Caterpillar, Ford, Honeywell, Siemens, Bosch, Rolls-Royce, Mitsubishi Heavy Industries).
  • Direct ownership of large-scale product designs, manufacturing processes, or engineering certification programs.
  • Fluency in enterprise mechanical engineering tooling and methodologies, plus understanding of how safety standards, regulatory certification (ASME, ISO, FAA, FDA), and cross-functional design governance actually work.
  • A professional engineering credential (US PE or an international equivalent such as CEng or EUR ING) and prior rubric, engineering-training curriculum, or design documentation authorship are a plus.

Quoted from Mercor's public listing on 2026-11-13. We don't edit platform copy; honest framing is in the title and the “what this actually is” block above.

Mercor pays MantaWork a fee if it hires you through this link. Your pay is the same.