GenAI Security Team Lead

7 days ago

London, Greater London, United Kingdom ActiveFence Full time £80,000 - £100,000 per year

What We Are Looking For
As a GenAI Security Team Lead, you will lead a team of GenAI researchers, combining both strategic and hands-on, big-picture planning with direct technical contributions.

Your primary responsibility will be managing a GenAI-focused team, while fostering a culture of innovation and excellence, providing comprehensive training, guidance, and leadership while ensuring high-quality deliverables.

The position balances managerial responsibilities with hands-on technical work (approximately 25%)

Key Responsibilities

  • Recruit, mentor, and manage a team of GenAI researchers
  • Regularly share knowledge with team members and collaborate across departments
  • Evaluate and enhance team performance and deliverables quality
  • Lead development of automated test harness, continuously evaluating prompts across multiple GenAI models to expose vulnerabilities and measure guardrail effectiveness.

Requirements:

Must-Have

  • 3+ years of experience managing teams in offensive cyber security
  • Strong understanding of GenAI or AI-driven products. and their underlying architectures, especially generative models and agentic frameworks.
  • Proficiency in Python
  • Exceptional leadership and interpersonal skills, with excellent communication and stakeholder management abilities.
  • Strategic, analytical mindset with strong problem-solving skills and a proven ability to drive complex projects to completion

Nice-to-Have

  • Bachelor's or Master's degree in Computer Science, Information Security, or a related field.
  • Experience with AWS cloud services and environments.
  • Experience with machine learning development frameworks and environments.
  • Advanced Certifications in offensive cybersecurity (e.g. OSWE, OSCE3, SEC542, SEC522) are highly desirable.

About ActiveFence:

ActiveFence is the leading provider of security and safety solutions for online experiences, safeguarding more than 3 billion users, top foundation models, and the world's largest enterprises and tech platforms every day.

As a trusted ally to major technology firms and Fortune 500 brands that build user-generated and GenAI products, ActiveFence empowers security, AI, and policy teams with low-latency Real-Time Guardrails and a continuous Red Teaming program that pressure-tests systems with adversarial prompts and emerging threat techniques. Powered by deep threat intelligence, unmatched harmful-content detection, and coverage of 117+ languages, ActiveFence enables organizations to deliver engaging and trustworthy experiences at global scale while operating safely and responsibly across all threat landscapes.

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