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First seen by our source: 21 days ago

Propulsion Systems Engineer - Expert

@ Mercor

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Toronto, Ontario

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Overview

Mercor is hiring a remote contract Propulsion & Effects Engineer at $65–$75 per task. The work involves writing and classifying propulsion and energetic-materials prompts, judging AI model responses against policy, and writing reference answers with technical reasoning.

Responsibilities:

  • Write and classify propulsion and energetic-materials prompts
  • Evaluate AI model responses against policy standards
  • Write reference answers with technical reasoning
  • Collaborate with experts on dual-use query handling
  • Improve AI performance on dual-use scenarios independently

Requirements summary:

  • Munitions or warhead design and effects engineering experience
  • Solid, liquid, or hybrid propulsion design and qualification background
  • Terminal effects modelling expertise (blast, fragmentation, penetration)
  • Fuzing, safe-and-arm, and initiation system knowledge
  • Test range engineering and instrumentation experience
  • Preferred: technical writing, published research, or expert witness experience

Tools & skills

ResearchWork independentlyTechnical writing
Source and dates

Source type not verified · manatal

Employer posting date
Not provided
First seen by our source
2026-10-17
Source record updated
2026-10-17

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

SenioritySenior
DepartmentEngineering
Work settingOffice
PositionMostly sitting
Physical demandsphysical low · computer high
LanguagesEnglish

Summary and details written by AI from the posting; the employer’s posting is the authority.

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Mercor

Saved company profile

Historical company information from a saved The Jobs API profile (LinkedIn/Crunchbase fields). It is not live-verified; figures may have changed. Missing values remain unknown.

We connect human expertise with leading AI labs and enterprises to train frontier models.

Full company description

Mercor is defining the future of work. We connect human expertise with leading AI labs and enterprises to train frontier models.

LinkedIn followers
654,507
People associated on LinkedIn
5,250
Reported office locations
  • San Francisco, California 94105, US
Business categories
  • Employment
  • Software
  • Recruiting
  • Data Collection and Labeling
  • Artificial Intelligence (AI)
  • Machine Learning
Other recorded names
  • Mercor
Profile identifies a recruitment agency
Yes
Reported total investment
483,600,000

Currency and observation date were not supplied; this is not a current valuation or a funding round.

View all jobs Website

Mercor is defining the future of work. We connect human expertise with leading AI labs and enterprises to train frontier models.

FieldValue
IndustrySoftware Development
Company size51-200 employees
HeadquartersSan Francisco, California
Organization typePrivately Held
Year founded2023
Open jobs on Jobsy1,626
LinkedInView page
Job description

About the job

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.

Position: Propulsion & Effects Engineer
Type: Contract
Compensation: $65–$75 per task
Location: Remote

Role Responsibilities

  • Write challenging single-turn prompts in propulsion and energetic materials. Classify them as benign, dual-use, or adversarial.
  • Evaluate AI model responses against policy standards. Judge the correctness of each response.
  • Write reference answers. Provide technical reasoning for correct responses.
  • Collaborate with experts to ensure AI models distinguish between routine and potentially dangerous queries.
  • Work independently to improve AI model performance in handling dual-use scenarios.

Qualifications

Must-Have

  • Experience in munitions or warhead design and effects engineering.
  • Background in solid, liquid, or hybrid propulsion system design, test, and qualification.
  • Expertise in terminal effects modelling such as blast, fragmentation, and penetration.
  • Knowledge of fuzing, safe-and-arm, and initiation system engineering.
  • Experience in test range engineering and instrumentation for propulsion or ordnance.

Preferred

  • Prior technical writing, published research, or expert witness experience.

Application Process (Takes 20–30 mins to complete)

  • Upload resume
  • AI interview based on your resume
  • Submit form

Resources & Support

  • For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome
  • For any help or support, reach out to: [email protected]

PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.

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