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AI Security Tester (SC Cleared/Eligible) – Secure Next-Gen AI Solutions at Mastek
We’re hiring AI Security Tester with proactive offensive security expertise to test and protect our cutting-edge AI/ML systems!
About the Role
- Location: Hybrid role with travel requirements when securing Mastek offices or customer sites
- Challenge: Ace adversarial hacking of AI systems, from model guardrail stress-testing to data privacy threat modelling
- On a mission: Ensure AI deployments are secure and trustworthy before deployment
Day-to-Day Responsibilities
Your role will focus on red-teaming AI systems, identifying vulnerabilities, and hardening them:
- ✅ Conduct adversarial testing to probe AI model safety and guardrails
- ✅ Perform penetration testing and fuzzing of AI systems (e.g., APIs, model inference pipelines)
- ✅ Identify attackable risks such as:
- Data poisoning and model corruption
- Evasion attacks (e.g., prompt injection)
- Hallucinations and unreliability
- Bias and fairness vulnerabilities
- ✅ Validate AI data privacy controls, PII handling, encryption mechanics
- ✅ Simulate low-to-high fidelity attack scenarios, including prompt engineering exploits
- ✅ Document and chain together evidence of vulnerabilities in lower environments
- ✅ Analyse threat vectors and collaborate on mitigation strategies
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Must-Have Requirements
The ideal candidate boasts:
- 5+ years in offensive cybersecurity (given via AppSec, pen testing, or advanced threat research)
- 2+ years focused on AI/ML security challenges
- Fluid programming skills in Python and/or Java
- Hands-on experience with ML frameworks (e.g., PyTorch, TensorFlow)
- Familiarity with:
- AI tooling (LangChain, LlamaIndex, transformer-based LLMs)
- AI red-teaming playbooks (e.g., Atome, Full Stack Deep Learning attacks)
- Demonstrated capability to privilege escalate into AI systems—not just theoretical knowledge
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Nice-to-Haves
- MS in Computer Science, Cybersecurity, AI/ML or related fields
- Certifications like CISSP or emerging AI security credentials (e.g., CSEC, Exam I, or vendor-sourced track records)
- Pure-play AI/ML background with prior protective controls engaged
Security Clearance
- SC-level clearance required or eligibility to obtain clearance within timelines
Note: Travel to sites when ensuring security across systems, but ultimately a hybrid approach balances professional independence with on-site support.
“It took my CV and asked me questions relevant to understanding what kind of jobs to suggest for me. Suggestions were almost perfect. Jobs were exactly what I’ve been looking for.”
Jessica, London
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