Security Penetration Tester

Response Informatics Limited.; Greater London; Hybride; GBP 70 000 - 110 000; Plein temps

Avantages offerts par ce poste

Hybrid work model

Résumé du poste

Response Informatics Limited. is actively hiring an AI Security Tester for a hybrid role in Reading, UK. You will simulate real-world attacks on AI/ML systems, identify data privacy risks, and help secure deployments.

The role requires 5+ years in offensive cybersecurity with at least 2 years focused on AI/ML security, plus strong Python/Java skills and hands-on ML framework experience (PyTorch, TensorFlow).

Qualifications

• 5+ years in offensive cybersecurity (AppSec, Pen Testing, Red Teaming)
• Minimum 2 years focused on AI/ML security
• Strong programming skills in Python / Java
• Hands-on experience with ML frameworks (e.g., PyTorch, TensorFlow)
• Familiarity with AI tooling (e.g., LangChain, LlamaIndex, red-teaming toolkits)
• Proven ability to assess and secure AI systems end-to-end
• Master's degree in Computer Science, Cybersecurity, AI/ML, or related field
• Certifications such as CISSP or AI security/safety credentials

Responsabilités

• Conduct adversarial testing to challenge AI model safety and guardrails
• Perform penetration testing and fuzzing of AI systems
• Identify risks such as data poisoning, model evasion, hallucinations, and bias
• Validate data privacy controls, including PII handling and encryption
• Simulate attack scenarios and exploit attempts
• Document vulnerabilities, unexpected behaviours, and evidence in lower environments
• Analyse threat vectors and recommend mitigation strategies

Connaissances

Offensive cybersecurity

AI/ML security

Python/Java

ML frameworks

Threat modelling

Formation

Master's degree in Computer Science, Cybersecurity, AI/ML, or related field

Outils

PyTorch

TensorFlow

LangChain

LlamaIndex

Red-teaming toolkits

Description du poste

Greetings from Response Informatics!!We are currently hiring a

AI Security Tester

for an exciting client engagement.Role:

AI Security TesterLocation: Reading , UK (Hybrid Role, when needed will have to travel to Client offices or customer location)Positions:

PermanentClearance:

SC Cleared / Eligible

Role OverviewIn this role, you'll simulate real-world attacks to uncover vulnerabilities in AI/ML systems. From stress-testing model guardrails to identifying data privacy risks, you'll play a critical role in ensuring secure and trustworthy AI deployments.

Working Model

• - Hybrid Role, when needed will have to travel to Client offices or customer location

What You'll Do

• Conduct adversarial testing to challenge AI model safety and guardrails
• Perform penetration testing and fuzzing of AI systems
• Identify risks such as data poisoning, model evasion, hallucinations, and bias
• Validate data privacy controls, including PII handling and encryption
• Simulate attack scenarios and exploit attempts
• Document vulnerabilities, unexpected behaviours, and evidence in lower environments
• Analyse threat vectors and recommend mitigation strategies

Key Requirements

• 5+ years in offensive cybersecurity (AppSec, Pen Testing, Red Teaming)
• Minimum 2 years focused on AI/ML security
• Strong programming skills in Python / Java
• Hands-on experience with ML frameworks (e.g., PyTorch, TensorFlow)
• Familiarity with AI tooling (e.g., LangChain, LlamaIndex, red-teaming toolkits)
• Proven ability to assess and secure AI systems end-to-end
• Nice to Have
• Master's degree in Computer Science, Cybersecurity, AI/ML, or related field
• Certifications such as CISSP or AI security/safety credentials

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