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First seen by our source: 21 days ago

Radiological Safety Expert - Fully Remote | Upto $75/task Task based

@ Mercor

Toronto, Ontario

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Overview

Mercor is hiring a remote contract Source Security Specialist paid $65–$75 per task to write and evaluate radiological safety prompts for AI model training. The work involves labeling prompts as benign, dual-use or adversarial, checking AI responses against a policy standard, and writing reference answers. The role is task-based, fully remote and asynchronous.

Responsibilities:

  • Write single-turn radiological safety prompts labeled benign, dual-use or adversarial
  • Evaluate AI model responses against a defined policy standard
  • Write reference answers with technical reasoning
  • Collaborate with experts to separate routine and dangerous queries

Requirements summary:

  • Experience assessing security of Category 1 and 2 source facilities
  • Expertise in physical protection design and insider threat
  • Background in source recovery or security-upgrade programs
  • Familiarity with 10 CFR 37 inspection and compliance
  • Knowledge of radioactive material transport security

Tools & skills

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

SeniorityMid level
Travelair: none · ground: none
Work settingHome
PositionMostly sitting
Physical demandsphysical low · computer high
LanguagesEnglish

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

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.

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: Source Security Specialist
Type: Contract
Compensation: $65–$75 per task
Location: Remote

Role Responsibilities

  • Write challenging single-turn prompts in radiological safety, labeled as benign, dual-use, and adversarial.
  • Evaluate AI model responses against a defined policy standard to ensure correct handling.
  • Write reference answers with technical reasoning for correct responses.
  • Collaborate with experts to draw reliable lines between routine and dangerous queries.
  • Work independently and asynchronously to meet deadlines and improve AI model performance.

Qualifications

Must-Have

  • Experience in security or vulnerability assessment of licensed facilities holding Category 1 and 2 sources.
  • Expertise in physical protection design and review, including insider threat considerations.
  • Background in source recovery, consolidation, or security-upgrade programs.
  • Familiarity with regulatory security inspection and compliance, such as 10 CFR 37.
  • Knowledge of transport security for radioactive material.

Preferred

  • Red-teaming experience.
  • 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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