AI Security Tester

About The Role AI systems are only as safe as the people who challenge them. We're looking for security-minded professionals to stress-test, probe, and harden cutting-edge AI models. If you enjoy finding weaknesses, crafting clever exploits, and thinking like an attacker — this role was built for you. Your work will have a direct impact on the safety and reliability of AI products used by millions of people worldwide. Organization: Alignerr Type: Hourly Contract Location: Remote Commitment: 10–40 hours/week What You'll Do Conduct red-teaming exercises to uncover security weaknesses and failure modes in AI systems Design and execute adversarial prompts, jailbreak attempts, and edge-case scenarios to test model guardrails Evaluate AI outputs for safety, bias, harmful content, and policy compliance Document vulnerabilities, unexpected behaviors, and exploits in clear, structured reports Collaborate with engineering and research teams to recommend practical mitigations Stay sharp on emerging AI security threats, attack techniques, and evolving best practices Help define and refine security evaluation frameworks and testing protocols Who You Are Solid understanding of cybersecurity concepts — threat modeling, attack vectors, or penetration testing Hands-on experience with AI/ML systems, large language models (LLMs), or prompt engineering Creative and analytical — you love breaking things methodically to make them more robust Strong written communication and documentation skills Self-directed and comfortable working asynchronously on task-based assignments Background in infosec, ethical hacking, or AI safety research is a strong plus Familiarity with open-source AI platforms or red-teaming tools is a bonus Why Join Us Work at the forefront of AI safety alongside top research labs and engineering teams Directly shape how AI systems protect users — at scale, in production Fully remote with complete schedule flexibility — work when and how you want Build deep, in-demand expertise in one of the fastest-growing domains in tech Ongoing contract potential with opportunities for expanded scope and responsibility Join a global community of experts making AI more trustworthy for everyone

Conduct red-teaming exercises and design adversarial prompts to uncover security weaknesses in AI models. Document vulnerabilities and collaborate with engineering teams to implement practical mitigations.

Requires a solid understanding of cybersecurity concepts and hands-on experience with LLMs or prompt engineering. A background in infosec, ethical hacking, or AI safety research is strongly preferred.

Identified from the job description. Confirm important requirements above.

• Red-teaming
• Adversarial Prompting
• Jailbreaking
• AI Safety
• Cybersecurity
• Threat Modeling
• Penetration Testing
• Prompt Engineering
• LLM Evaluation
• Vulnerability Documentation
• Ethical Hacking
• AI/ML Systems

• Security & Safety
• Technology
• Software
• Engineering
• Science & Research

Minimum experience

0+ years

Apply by

Sep 13, 2026

Posting language

English

Working hours

40 hours per week

Location requirements

Country, Toronto, Ontario, Canada

Seniority

Entry level