Nuclear And Radiological Security Expert (English)

OpenTrain AI, Inc.; United States; Remote; USD 69,000 - 124,000; Part time

Job summary

OpenTrain AI, Inc. seeks a Nuclear and Radiological Security Expert (English) for a remote, part-time contractor role. You will guide AI evaluations on nuclear safety, radiological safety, nonproliferation, safeguards, and security, turning complex topics into clear standards and risk frameworks.

Fluency in English and at least five years of relevant experience required. The role involves documenting best practices, defining escalation thresholds, benchmarking risk assessments, and collaborating

Qualifications

• English fluency is required.
• At least five years of relevant experience in nuclear or radiological security.
• Education: advanced degree, professional certification, or equivalent experience in a nuclear/radiological field.
• Background with government agencies, national labs, regulatory bodies, or academic research in nuclear security/policy.
• Strong knowledge of nonproliferation frameworks, safeguards, and weapons-relevant controls.
• Ability to oversee or contribute to security evaluations, compliance protocols, or risk assessments.

Responsibilities

• Define evaluation standards for nuclear safety, radiological safety, nonproliferation, and security.
• Develop methods for safely abstracting sensitive or classified information.
• Set escalation thresholds and protocols for nuclear security risks in research and operations.
• Benchmark nuclear/radiological risk assessments and support nonproliferation safeguards.
• Review, refine, and validate technical guidance used in advanced-model training.
• Document best practices and the reasoning behind information-security decisions.

Skills

Nuclear security

Radiological safety

Nonproliferation

Safeguards policy

Risk assessment

Communications

Education

Advanced degree or certification in nuclear/radiological field

Job description

Nuclear And Radiological Security Expert (English)

Use your nuclear and radiological security expertise to guide AI evaluations involving safety, nonproliferation, safeguards, and sensitive information. The role pays $50 to $90 per hour and requires English fluency plus five years of relevant experience.

Remote Hourly · $50–$90/hr

$50–$90/hr

Compensation

Contract, part-time

Engagement

Remote

Location

Oct 28, 2026

Posted

Open in 51 countries

• United States
• 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
• Netherlands
• Nigeria
• Oman
• Pakistan
• Palestine
• Peru
• Philippines
• Portugal
• Qatar
• Saudi Arabia
• Singapore
• South Africa
• Spain
• Sri Lanka
• Switzerland
• Taiwan
• Thailand
• Tunisia
• United Arab Emirates
• United States
• Uzbekistan
• Vietnam

The Work

You will guide AI training work on nuclear safety, radiological safety, nonproliferation, safeguards, and security. The work involves turning complex and sensitive technical subjects into clear evaluation standards, risk frameworks, and documentation.

You will also help set safe ways to abstract sensitive information, define escalation thresholds, benchmark risk assessments, and review guidance used to train advanced AI models. The role includes working with people from different fields to balance scientific progress with security concerns.

• Define evaluation standards for nuclear safety, radiological safety, nonproliferation, and security.
• Develop methods for safely abstracting sensitive or classified technical information.
• Set escalation thresholds and protocols for nuclear security risks in research and operational settings.
• Guide benchmarking of nuclear and radiological risk assessments and support nonproliferation safeguards.
• Review, refine, and validate technical guidance used in advanced-model training.
• Document best practices, compliance considerations, and the reasoning behind information-security decisions.

What It Pays And Takes

This is a part-time contractor role for an experienced nuclear or radiological security specialist. The role is marked as entry level in the listing, while the required background includes at least five years of relevant experience.

• Pay: $50 to $90 per hour.
• Location: Open to candidates in the United Arab Emirates, Argentina, Austria, Bangladesh, Belgium, Bahrain, Brazil, Canada, Switzerland, Chile, Colombia, Germany, Denmark, Algeria, Egypt, Spain, France, Ghana, and Greece.
• Location: Also open to candidates in Indonesia, India, Italy, Jordan, Japan, Kenya, Kyrgyzstan, Kuwait, Kazakhstan, Lebanon, Sri Lanka, Morocco, Mexico, Malaysia, Nigeria, the Netherlands, Oman, Peru, the Philippines, Pakistan, the Palestinian Territories, Portugal, Qatar, Saudi Arabia, Singapore, Thailand, Tunisia, Taiwan, the United States, Uzbekistan, Vietnam, and South Africa.
• Language: Professional fluency in English.
• Experience: At least five years in nuclear physics, radiological safety, nonproliferation, or nuclear safeguards.
• Education: An advanced degree, professional certification, or equivalent operational experience in a nuclear or radiological field.
• Background: Experience with government agencies, national laboratories, regulatory bodies, or academic research involving nuclear security or policy.
• Knowledge: Strong understanding of nonproliferation frameworks, international safeguards, and weapons-relevant controls.
• Judgment: Experience overseeing or contributing to security evaluations, compliance protocols, or risk assessments in sensitive technical environments.
• Communication: Strong written and verbal communication skills, including the ability to explain complex technical subjects to different audiences.
• Helpful experience includes incident review, investigations, risk assessment, safety review, adversarial thinking, red-team work, or abuse-prevention work. Senior contributors may have eight to twenty years of relevant experience and recognized credibility in nuclear or radiological security communities.

About AI Training Work

AI training is the human work behind systems that learn from examples and feedback. In this role, your specialist judgment helps evaluate how AI handles nuclear and radiological security topics, which is why deep subject expertise matters.

Requirements

• Experience: Entry level