AI Security Tester
We are seeking an AI Security Tester to assess the security, reliability, and resilience of artificial intelligence systems across their full development lifecycle. You will design and execute adversarial tests against machine learning models, generative AI applications, data pipelines, APIs, and supporting infrastructure. Your work will help identify vulnerabilities such as prompt injection, data leakage, insecure model configurations, adversarial manipulation, poisoning, excessive permissions, unsafe outputs, and weaknesses in authentication or access controls.
In this role, you will create realistic threat scenarios, develop test cases, automate security assessments, and analyse results to determine business and technical impact. You will collaborate with software engineers, data scientists, security specialists, and product teams to validate mitigations and ensure issues are resolved effectively. Responsibilities will include reviewing system architectures and code, conducting penetration tests, evaluating third-party AI components, documenting findings, and producing clear reports for both technical and non-technical stakeholders. You may also contribute to security standards, testing methodologies, risk assessments, incident investigations, and continuous monitoring of AI-enabled services.
The successful candidate will have experience in application security, penetration testing, red teaming, or security research, together with a strong understanding of AI and machine learning concepts. Practical knowledge of Python and common security testing tools is expected, along with familiarity with web applications, APIs, cloud environments, identity and access management, and secure software development practices. Experience testing large language models, retrieval-augmented generation systems, model endpoints, or AI agents would be advantageous. You should be analytical, curious, and comfortable working independently while communicating complex findings clearly. Relevant professional certifications or demonstrable contributions to security research, vulnerability disclosure, or open-source testing tools are desirable.
AI Security Tester
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