Crossing Hurdles ยท 1 day ago
AI Security Specialist (English & Brazilian Portuguese) | $28.74/hr Remote
United States
Contract
Remote
Mid Level
$28.74/hr - $28.74/hrCrossing Hurdles is looking for an AI Red-Teamer specializing in adversarial AI testing. The role involves red teaming conversational AI models, generating high-quality human data, and producing reports on vulnerabilities and risks.
Staffing & Recruiting
Responsibilities
Red team conversational AI models and agents (jailbreaks, prompt injections, misuse cases, bias exploitation, multi-turn manipulation)
Generate high-quality human data by annotating failures, classifying vulnerabilities, and flagging systemic risks
Apply structured taxonomies, benchmarks, and playbooks to ensure consistent adversarial testing
Produce reproducible reports, datasets, and attack cases customers can act on
Identify vulnerabilities missed by automated evaluation systems
Qualification
Required
Native-level fluency in English and Brazilian Portuguese (required)
Prior experience in AI red teaming, adversarial testing, cybersecurity, or socio-technical risk analysis
Strong adversarial mindset with structured, methodical testing approaches
Clear written communication for technical and non-technical stakeholders
Comfortable reviewing sensitive AI-generated content (guidelines and wellness support provided)
Preferred
Adversarial ML (jailbreak datasets, prompt injection, RLHF/DPO attacks, model extraction)
Cybersecurity (penetration testing, exploit development, reverse engineering)
Socio-technical risk analysis (harassment, misinformation, abuse probing)
Creative adversarial thinking (psychology, writing, acting, scenario design)
Company
Crossing Hurdles
At Crossing Hurdles, we specialise in customised recruitment and staffing solutions designed to drive success for businesses and professionals.
Founded in 2022
11-50 employees
Funding
Current Stage
Early StageCompany data provided by crunchbase