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Cybersecurity Specialist

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Randstad

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Location:
United Kingdom , London

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Category:
IT - Software Development

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Contract Type:
B2B

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Salary:

Not provided
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Job Description:

AI Security & Resilience Experts - Contract (Outside IR35). Location: London / Hybrid - 2/3 days onsite. Sector: UK Financial Services. Rate: Competitive Market Rates (Role Dependent). IR35: Inside. Day rate: up to £600 per day. Length: 9 months ... All candidates must demonstrate: UK FinServ Compliance: Deep familiarity with DORA, FCA Operational Resilience, and the EU AI Act. AWS Bedrock Stack: Hands-on experience with Agents, Knowledge Bases, Guardrails, and model lifecycles. AI/ML Core: Mastery of FMs, RAG, tool-use, and non-deterministic agent logic. Security Frameworks: Proficiency in OWASP LLM Top 10 and NIST AI RMF.

Job Responsibility:

  • Lead structured offensive modeling to identify systemic AI vulnerabilities
  • Conduct STRIDE modeling and build attack trees for prompt injection and Denial-of-Wallet scenarios
  • Run scenario workshops to test real-world control effectiveness
  • Maintain an adversarial knowledge base and map safeguards to compliance frameworks
  • Automate the Release Gate for AI systems through rigorous adversarial testing
  • Integrate tools like Pyrit, Garak, or AgentDojo into CI/CD pipelines
  • Build frameworks for uncertainty, drift detection, and success rates
  • Own the AI-BOM and generate Article 15 evidence for bias, hallucination, and memorisation risks
  • Secure the Human-to-Agent and Agent-to-Resource identity chain
  • Lead SPIFFE/SPIRE rollouts with AWS Roles Anywhere
  • Harden OBO flows
  • Implement sender-constrained tokens and JIT for non-human identities
  • Modelling for Confused Deputy and Federation Hijacks
  • Ensure full traceability per EU AI Act Art. 12 & 14

Requirements:

  • UK FinServ Compliance: Deep familiarity with DORA, FCA Operational Resilience, and the EU AI Act
  • AWS Bedrock Stack: Hands-on experience with Agents, Knowledge Bases, Guardrails, and model lifecycles
  • AI/ML Core: Mastery of FMs, RAG, tool-use, and non-deterministic agent logic
  • Security Frameworks: Proficiency in OWASP LLM Top 10 and NIST AI RMF

Additional Information:

Job Posted:
May 17, 2026

Expiration:
June 11, 2026

Work Type:
Hybrid work
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