Mercor · Software & coding
Power Systems Engineer (Substation, Transmission, Interconnection)
Listed on Mercor as “Power Systems Engineer (Substation, Transmission, Interconnection)”
What this actually is
You review AI-generated code, rank model outputs against each other, write prompts that test edge cases, and provide expert feedback that gets used to train coding models. Not shipping production software. The platform title (Power Systems Engineer (Substation, Transmission, Interconnection)) reflects the rate band and the expertise required, not the day-to-day work.
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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 hiring power systems engineers with recent hands-on industry experience to review and annotate complex electrical engineering tasks. You will assess realistic design and study scenarios and produce clear written technical findings.
What you will do
- Review tasks across substation design, transmission design, and generation interconnection: circuit and control design, switchgear and protection, single-line diagrams, and power distribution
- Check engineering assumptions, calculations, code and standards use, and equipment data
- Flag ambiguity, missing constraints, and unrealistic deliverables
- Produce clear written findings
Requirements
- Recent hands-on experience as a power systems professional in one or more of: substation design, transmission design, or generation interconnection. This is mandatory.
- Minimum 1 year of relevant industry experience
- Circuit design depth: protection and controls, switchgear, power distribution, and the associated calculations
- Experience at an EPC contractor, utility, transmission owner, power generation developer, ISO/RTO, or owner's engineering group
- Your resume should clearly show relevant power systems experience
Details
- Approximately 10 to 20 hours per week initially
- Immediate start
We consider all qualified applicants without regard to legally protected characteristics and provide reasonable accommodations upon request.
Quoted from Mercor’s public listing on 2026-09-22. We don’t edit platform copy; honest framing is in the title and the “what this actually is” block above.
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About Mercor
AI-interview-based talent network. One application, voice interview with their AI, then matched to projects across coding, research, and specialist work. Pay scales with track and seniority.
Mercor review: AI-interview talent network
4.1/5 on Glassdoor, fastest-growing platform in the category (+509% YoY). What the AI video interview actually asks, real pay across coding/research/medical/legal/finance tracks ($25-$200/hr), and the project-availability problem.
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