At a Glance
- Tasks: Test and secure AI systems by simulating real-world attacks and identifying vulnerabilities.
- Company: Join Mastek, a leader in innovative tech solutions with a focus on security.
- Benefits: Hybrid working model, competitive salary, and opportunities for professional growth.
- Other info: Exciting role with travel opportunities and a chance to work on groundbreaking projects.
- Why this job: Make a difference in AI security and protect cutting-edge technologies from threats.
- Qualifications: 5+ years in cybersecurity, strong programming skills, and experience with AI/ML security.
The predicted salary is between 70000 - 90000 £ per year.
Greetings from Mastek! We’re Hiring: AI Security Tester (SC Cleared / Eligible)
Are you passionate about breaking AI systems before adversaries do? We’re looking for an AI Security Tester with deep offensive security expertise to help safeguard next-generation AI solutions.
Role Overview
In 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 Mastek 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
Security Clearance
SC Cleared or eligible (mandatory)
AI Security Tester in Reading employer: Mastek
Mastek is an exceptional employer that values innovation and collaboration, particularly within the UK public sector. With a strong focus on employee growth, we offer competitive salaries, performance bonuses, and flexible working arrangements, allowing our team to thrive in a supportive remote environment. Join us in Leeds to be part of a dynamic culture that prioritises meaningful contributions and professional development.
