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Ernst & Young

Global professional services: consulting, assurance, tax

Experienced AI Red Team Auditor

Offensive Security & TestingUpdated on Nov 14
Full-timeParis, France

About the Job

Requirements

  • At least 3 years of experience in offensive security, Red Team, or advanced penetration testing.
  • Strong understanding of modern attacks and cloud and application architectures.
  • Strong interest in or experience with AI, large language models, MLOps, or AI APIs.
  • Proficiency in at least one automation language, such as Python, Bash, PowerShell, or Go.
  • Knowledge of cloud environments such as AWS, Azure, or GCP, and DevSecOps.
  • Fluent spoken and written English.
  • A higher-education qualification with a specialization in information security.
  • Ability to analyze complex information and summarize it clearly and concisely.
  • Intellectual curiosity and adaptability to new situations and changes in the field.
  • Ability to collaborate effectively with others.

Responsibilities

  • Participate in advanced offensive security missions, including Red Team and Purple Team scenarios targeting AI systems and large language models.
  • Design and execute simulated attacks on AI models, including prompt injection, jailbreaks, data poisoning, and model inversion.
  • Assess abuse of AI APIs, shadow AI, and risks related to autonomous agents.
  • Conduct security audits of AI and data architectures, including cloud, MLOps, AI pipelines, and hybrid environments.
  • Test the security of applications incorporating large language models and generative AI services.
  • Evaluate risks associated with training data, inference flows, and AI governance.
  • Contribute to industrializing AI Red Team tools, including scripts, frameworks, automation, and infrastructure as code.
  • Contribute to improving EY's methodologies for offensive security and AI.
  • Support and develop the skills of junior profiles.
  • Help facilitate the internal knowledge-sharing community.
  • Continuously monitor emerging AI threats and technological and regulatory developments, including the AI Act and NIS2.

Desired Qualifications

  • Specialized cybersecurity training and certification programs are available during employment.

About the Company

Ernst & Young

Global professional services: consulting, assurance, tax

EY (Ernst & Young) provides professional services at a global scale, offering consulting, assurance, tax, and transaction advisory services. It serves clients across industries such as technology, media, real estate, hospitality, and construction. Instead of selling a single product, EY works with clients through tailored engagements where cross-disciplinary teams analyze challenges, design strategies, perform audits, help with tax planning, and assist with mergers or divestitures. What sets EY apart is its worldwide reach and integrated service model, industry-specific expertise, and focus on responsible business practices like sustainability, cybersecurity, and workforce flexibility. EY’s goal is to help organizations improve performance, manage risk, and achieve sustainable growth while building a better working world.

Company size
5,001-10,000
Company stage
Not listed
Total funding
Not listed
Headquarters
Boston, MA
Founded
1991

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