PhD Engineer – AI Evaluation Specialist

MERCOR
Toronto, CA; US
Remote

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:** Engineering AI Evaluator
  • *Type:** **Contract**
  • *Compensation:** **$73/hour**
  • *Location:** **Remote**
  • *Role Responsibilities**
  • Write and refine prompts to guide model behavior in **engineering scenarios**.
  • Evaluate **LLM-generated responses** for technical accuracy and applied reasoning.
  • Conduct fact-checking and verify technical claims using authoritative sources.
  • Annotate model responses, identifying strengths and areas for improvement.
  • Assess clarity and appropriateness of explanations for different audiences.
  • Ensure model responses align with expected conversational behavior and guidelines.
  • *Qualifications**
  • *Must-Have**
  • **PhD in Engineering or a closely related field**
  • Expertise in **Mechanical & Physical Systems Engineering**, **Electrical, Electronic & Computer Engineering**, **Chemical, Materials & Process Engineering**, or **Civil, Environmental & Infrastructure Engineering**
  • Significant experience using **large language models** (LLMs)
  • Excellent writing skills
  • Strong attention to detail
  • Experience reviewing or editing technical or academic writing
  • *Preferred**
  • Experience with applied research, industry engineering workflows, or systems design
  • Prior experience with **RLHF**, model evaluation, or data annotation work
  • Experience teaching or explaining engineering concepts to non-expert audiences
  • Familiarity with evaluation rubrics or structured review frameworks
  • *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/welcome
  • For any help or support, reach out to: support@mercor.com
  • PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.*

Skills & Requirements

Technical Skills

AI evaluationlarge language modelsprompt writingfact-checkingtechnical writingmodel annotationattention to detailcommunicationteamworkproblem-solvingAIengineeringtechnical evaluation

Salary

£73+

hour

Employment Type

CONTRACT

Level

senior

Posted

3/20/2026

Apply Now

You will be redirected to MERCOR's application portal.