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Hiring now · posted 3d ago General Contract · On-site / hybrid

Responsible AI / Security Specialist

$90–$140/hr

Published pay. The final rate depends on your test, experience and country.

United States Language: English Posted 9 Nov 2026

Responsible AI / Security Specialist is AI-training work for security teams, paying $90–$140/hr, open to applicants in United States. Posted 9 Nov 2026, still open on 13 Nov 2026. Zekai lists it for free; the application goes to the employer's platform.

About this role

Preparing for this role? See the best AI tools for security teams, practise with ready-made prompts for security teams, read How to Secure Enterprise AI Agents in 2026 and take the free 30-day AI challenge.

Join a leading AI lab's cutting-edge GenAI team to be at the core of the AI revolution, where your expertise fuels the development of the most advanced Large Language Models.

1. Overview

Join a leading AI lab's cutting-edge GenAI team and help build foundational AI models from the ground up. We're seeking talented Security, Red Teaming and Responsible AI specialists with hands-on expertise in application security, offensive security, threat analysis or trust and safety to bring an adversarial, safety-first mindset and elevate the quality of our AI training data.

This is a W-2 employment position with Cincinnatus LLC, with the opportunity to be placed at a leading AI Lab as part of their extended workforce.

2. Key Responsibilities
  • Guide research and engineering teams to close knowledge gaps and improve AI model performance in security and responsible AI, application and infrastructure security, and red teaming and abuse prevention topics.
  • Design challenging, domain-relevant tasks, and write accurate and well-structured solutions to security and responsible AI problems.
  • Evaluate security and responsible AI tasks and solutions and provide clear, written technical feedback.
  • Design adversarial tasks and red teaming scenarios that probe AI systems for security vulnerabilities, unsafe behavior and policy violations.
  • Develop rubrics to assess the safety, accuracy and harm potential of AI responses on security and sensitive topics.
  • Collaborate with other subject matter experts to ensure consistency and accuracy in training data.
3. Core Qualifications
  • 4+ years of dedicated professional experience in cybersecurity, red teaming, penetration testing, threat intelligence or trust and safety at a recognized, top-tier organization.
  • Hands-on experience in at least one of: application security and secure code review, penetration testing and offensive security, threat intelligence or incident response, or trust and safety policy enforcement.
  • Relevant credentials such as OSCP, OSWE, GPEN, CISSP or published CVEs, bug bounty findings or security research are a strong plus.
  • Demonstrable career progression.
  • Ability to engage reliably for at least 20 hours/week during weekdays.
  • Strong written communication skills and the ability to explain complex technical decisions clearly.

About Cincinnatus LLC: Cincinnatus LLC is an enterprise staffing company that partners with leading technology companies to source and employ highly skilled professionals for contingent and contract-based opportunities. Cincinnatus serves as the employer of record for these engagements, providing W-2 employment, payroll, benefits, and compliance, while placing employees directly within client teams to work on high-impact initiatives.

Equal Employment Opportunity: Cincinnatus is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, reproductive health decisions, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, political views or activity, or any other legally protected characteristic.

Location: United States.

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What to know before you apply

Pay
At the published rate, 10 hours a week would be about $900–$1,400 and 20 hours about $1,800–$2,800 before tax. Hours depend on the project, so treat this as a ceiling, not a promise.
Location
Only applicants located in United States can be paid for this role. Platforms usually verify where you are, so apply only if you are based there.
Credentials
The listing asks for 4+ years of experience. Put it in the first line of your profile: reviewers screen for it before anything else.
Test tips for security teams
  • Judge AI security advice against real attack paths, not checklists.
  • Flag unsafe commands and missing input validation first.
  • Reference CVEs, CWE or OWASP categories when you correct.
Prepare free with Zekai

3 steps to stand out as one of the best security teams

  1. 01
  2. 02

    Practise with real prompts

    Many tests ask you to write or judge prompts in your field. Practise on these first.

    Triage a Vulnerability Report

    Act as a senior security analyst. I have a vulnerability report from a scanner. Prioritize the findings based on the following context: • The affected asset is a public-facing web server running Linux, tagged as 'critical'. • The…

    Generate a Threat Hunting Query

    Act as a SOC analyst. I need to hunt for signs of persistence on Windows endpoints using Microsoft Sentinel. The technique I'm looking for is a new service being created and then started in a short period of time. Generate a Kust…

    Prompt library for security teams →
  3. 03

    Take the free 30-day AI challenge

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    Guides for security teams

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