Principal / Lead Systems Engineer for AI Training
You will design realistic engineering projects that span mechanical, electrical, hardware, software, and manufacturing disciplines. Your work will help AI systems plan, execute, integrate, test, and validate complex engineering activities.
- Field
- Engineering
- Where
- United States, Algeria, Argentina, Austria, Bahrain, Bangladesh +46 more
- Commitment
- part time
- Asks for
- PhD, Master's
- Posted
- 7 days ago
Pay data for your profession: Engineering AI trainer jobs · PhD AI trainer jobs
How this pay compares
At $225/hr (the midpoint of $150 to $300), this role pays more than 98% 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 7 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
$3,375
Per month, if the work is steady
$14,625
- Tax
- Contract pay arrives with no tax withheld. A US contractor at this rate and these hours would set aside about $3,697 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.
| Platform | Open | Median | Best-paid open role |
|---|---|---|---|
| Mercor | 36 | $88/hr | Infrastructure / Site Reliability Engineer (SRE)$200/hr |
| OpenTrain AIthis role | 132 | $85/hr | Chief Engineer / Senior Mechanical Engineer$200-300/hr |
| Alignerr | 14 | $61/hr | Robotics Technician$40-120/hr |
| micro1 | 29 | $60/hr | Member of Technical Staff, Research Engineering$400k-800k/yr |
| Handshake AI | 52 | up to $85/hr | Engineering LeadUp to $195/hr |
“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 design realistic engineering projects that span mechanical, electrical, hardware, software, and manufacturing disciplines. Your work will help AI systems plan, execute, integrate, test, and validate complex engineering activities.
You will turn broad project goals into clear requirements and measurable acceptance criteria. You will also break complex projects into connected expert tasks with defined inputs, deliverables, dependencies, and responsibilities.
- Define project objectives, technical requirements, constraints, and acceptance criteria.
- Design multidisciplinary engineering workflows for AI training.
- Manage interfaces between systems and technical disciplines.
- Plan system integration, verification, and validation activities.
- Coordinate expert contributions so each workflow has clear technical goals and evaluation criteria.
What it pays and takes
This is a remote, part-time contractor opportunity. US-based engineers are preferred, and applications are open to candidates in the eligible countries listed for the role.
- Pay: $150-$300 per hour.
- Work model: Remote contractor, part-time.
- Location: Open to candidates in 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, the Netherlands, Nigeria, Oman, Pakistan, Palestinian Territories, Peru, the Philippines, Portugal, Qatar, Saudi Arabia, Singapore, South Africa, Spain, Sri Lanka, Switzerland, Taiwan, Thailand, Tunisia, the United Arab Emirates, the United Kingdom, the United States, Uzbekistan, and Vietnam.
- Language: English proficiency at B2 level or higher.
- Required experience: Substantial experience as a Principal Systems Engineer, Lead Systems Engineer, or comparable technical leader.
- Required skills: Requirements engineering, interface management, system integration, verification, and validation.
- Helpful education: A master's degree or PhD in Systems Engineering, Mechanical Engineering, Electrical Engineering, Computer Engineering, or a related field.
- Helpful background: Model-based systems engineering, SysML, requirements management tools, and leadership from requirements through integration, testing, and delivery.
- Relevant sectors include aerospace, automotive, robotics, industrial systems, and medical devices.
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 7 screening questions.
About AI training work
AI training is the human work behind artificial intelligence, including preparing examples, writing tasks, and reviewing how models handle real problems. Experienced specialists are needed for complex work because their professional judgment helps create accurate tasks, requirements, and evaluations.
From applying to your first payment on OpenTrain AI
- 1
Create a profile
Create a free OpenTrain profile with your domains, languages and hourly rate.
- 2
Apply
Apply to the listing. Some listings hire through OpenTrain; others send you to the hiring platform.
- 3
Funded milestones
The client funds each milestone before work starts.
- 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 $150-300/hr since Nov 4, 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.
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