Fenrir Security Researcher

OpenTrain AI, Inc.; United States; Remote; USD 117,000 - 158,000; Part time

Job summary

OpenTrain AI, Inc. is seeking a Fenrir Security Researcher to investigate private code repositories, discover vulnerabilities, and craft AI security tasks.

The role emphasizes fuzzing, crash triage, and clear communication of findings across C, C++, Rust, and Go code bases. The position is remote, part-time, paying $100 per hour with a minimum commitment of 20 hours per week, across multiple international jurisdictions.

Qualifications

• Experience conducting security research or finding software vulnerabilities.
• Practical skills in fuzzing and crash triage.
• Ability to explain technical findings clearly.

Responsibilities

• Investigate private code repositories to find software vulnerabilities.
• Use fuzzing to explore software behavior, then triage crashes and assess their security significance.
• Read and reason about C, C++, Rust, and Go code.
• Turn vulnerability findings into cybersecurity tasks designed to test AI models at different difficulty levels.

Skills

Security research

Fuzzing

Crash triage

C/C++

Rust

Go

Job description

Research vulnerabilities in private code repositories and turn findings into challenging AI security tasks. The role pays $100 per hour and requires at least 20 hours a week.

Remote Hourly · $100/hr

$100/hr

Compensation

Contract, part-time

Engagement

Remote

Location

Posted

Open in 95 countries

Australia + more

• Albania
• Algeria
• Antigua and Barbuda
• Armenia
• Australia
• Austria
• Bahamas
• Bahrain
• Belgium
• Benin
• Bhutan
• Bosnia and Herzegovina
• Botswana
• Brunei
• Bulgaria
• Canada
• Costa Rica
• Côte d’Ivoire
• Croatia
• Cyprus
• Czechia
• Denmark
• Ecuador
• El Salvador
• Estonia
• Ethiopia
• Finland
• France
• Gambia
• Germany
• Greece
• Guatemala
• Guyana
• Hong Kong
• Hungary
• Iceland
• India
• Indonesia
• Ireland
• Israel
• Italy
• Jamaica
• Jordan
• Kenya
• Kuwait
• Latvia
• Liechtenstein
• Lithuania
• Luxembourg
• Madagascar
• Malaysia
• Malta
• Mauritius
• Mexico
• Moldova
• Mongolia
• Morocco
• Mozambique
• Namibia
• Netherlands
• New Zealand
• North Macedonia
• Norway
• Oman
• Pakistan
• Panama
• Peru
• Philippines
• Poland
• Portugal
• Qatar
• Romania
• Rwanda
• Saint Lucia
• Senegal
• Serbia
• Singapore
• Slovakia
• Slovenia
• South Africa
• Spain
• Sri Lanka
• Sweden
• Switzerland
• Taiwan
• Tanzania
• Thailand
• Trinidad and Tobago
• Tunisia
• Türkiye
• United Arab Emirates
• United Kingdom
• United States
• Uzbekistan
• Vietnam

The work

The Fenrir Security Researcher title is paired with cybersecurity vulnerability research and task-creation duties; review the duties and qualifications below before applying.

• Investigate private code repositories to find software vulnerabilities.
• Use fuzzing to explore software behavior, then triage crashes and assess their security significance.
• Read and reason about C, C++, Rust, and Go code.
• Turn vulnerability findings into cybersecurity tasks designed to test AI models at different difficulty levels.

What it pays and takes

• Pay: $100 per hour.
• Time: At least 20 hours per week.
• Open to candidates in the United Arab Emirates, Antigua and Barbuda, Albania, Armenia, Austria, Australia, Bosnia and Herzegovina, Belgium, Bulgaria, Bahrain, Benin, Brunei, the Bahamas, Bhutan, Botswana, Canada, Switzerland, Côte d’Ivoire, and Costa Rica.
• Open to candidates in Cyprus, Czechia, Germany, Denmark, Algeria, Ecuador, Estonia, Spain, Ethiopia, Finland, France, the United Kingdom, the Gambia, Greece, Guatemala, Guyana, Hong Kong, Croatia, Hungary, Indonesia, Ireland, Israel, India, Iceland, Italy, Jamaica, Jordan, Kenya, Kuwait, Saint Lucia, Liechtenstein, Sri Lanka, Lithuania, Luxembourg, and Latvia.
• Open to candidates in Morocco, Moldova, Madagascar, North Macedonia, Mongolia, Malta, Mauritius, Mexico, Malaysia, Mozambique, Namibia, the Netherlands, Norway, New Zealand, Oman, Panama, Peru, the Philippines, Pakistan, Poland, Portugal, Qatar, Romania, Serbia, Rwanda, Sweden, Singapore, Slovenia, Slovakia, Senegal, El Salvador, Thailand, Tunisia, Turkey, and Trinidad and Tobago.
• Open to candidates in Taiwan, Tanzania, the United States, Uzbekistan, Vietnam, and South Africa.
• You need experience conducting security research or finding software vulnerabilities, practical skills in fuzzing and crash triage, and the ability to explain technical findings clearly.

About AI training work

AI training is the human work behind AI systems: people create and review examples that help models learn and test how well they perform. This role uses security research expertise to create challenging tasks for evaluating AI models. OpenTrain is a free platform where people find AI-training and data-labeling projects, build a profile, and apply.

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