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Mercor

Propulsion & Effects Engineer

Mercor

. Write challenging single-turn prompts in the propulsion and effects domain .

Posted 10/17/2026contractRemote • United StatesMid-LevelSenior💰 $65 - $75 per hourWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in propulsion and effects engineering, with a strong emphasis on technical writing and the ability to evaluate and communicate complex concepts clearly to non-specialists. Proficient in distinguishing legitimate inquiries from potentially harmful requests within the domain.

Highest-signal resume keywords
Propulsion System DesignTechnical Writing SkillsMunitions Design ExperienceEffects EngineeringTest Range Engineering

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
Propulsion System QualificationTerminal Effects ModellingFuzing EngineeringSafe-and-Arm System EngineeringInitiation System EngineeringTest Data AnalysisTechnical ReasoningPrompt EvaluationResponse JudgingWriting Sample Provision
Soft Skills
Analytical ThinkingCommunication SkillsJudgment Skills
Industry Keywords
MunitionsWarhead DesignDual-Use TechnologyAdversarial AssessmentMisuse ScenariosReal Hardware TestingExport-Controlled InformationNDA Compliance

About the role

Key responsibilities & impact
  • Write challenging single-turn prompts in the propulsion and effects domain
  • Label prompts as benign, dual-use, or adversarial
  • Evaluate model responses against a defined policy standard
  • Judge whether each response was handled correctly
  • Write reference answers describing correct responses and the technical reasoning behind them
  • Produce written rationales that non-specialists can follow
  • Apply professional expertise to distinguish legitimate technical questions from dangerous misuse requests

Requirements

What you’ll need
  • Background designing, qualifying, or testing propulsion and initiation systems with real hardware and real test data
  • Relevant experience in munitions or warhead design and effects engineering; solid, liquid, or hybrid propulsion system design, test, and qualification; terminal effects modelling; fuzing, safe-and-arm, and initiation system engineering; or test range engineering and instrumentation for propulsion or ordnance
  • Ability to distinguish routine professional questions from potentially malicious requests
  • Strong technical writing skills; every judgment must include a rationale understandable to a non-specialist
  • Prior technical writing, published research, or expert witness experience is strongly preferred
  • Include a writing sample or link
  • Ability to read and write about misuse scenarios in the field for sustained periods
  • Must not use classified, export-controlled, NDA-covered, or prepublication-review information
  • Candidates with such obligations must disclose them so work can be scoped accordingly

Benefits

Comp & perks
  • Earn up to $250 for each successful referral
  • Reasonable accommodations upon request
  • Ability to pause or step away from misuse-scenario work at any point without penalty