CyberSecurity, Offensive Security Engineer

Mistral
Paris
Workplace: OnsiteFull timeFunction: CybersecurityExperience: 7+ yearsSkills: ["Communication","Collaboration","Builder mindset","Risk assessment"]

Safeguard agentic AI products by proactively identifying and exploiting vulnerabilities across agent interactions, cloud infrastructure, and foundational models. Lead red and purple team exercises and run penetration tests across AI-driven workflows and user-facing interfaces. Collaborate with defensive teams to convert offensive findings into detection engineering and incident response improvements, build and automate offensive tooling, and contribute to threat modeling and security architecture to keep agents resilient against evolving adversaries.

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FursaFursa
Mistral
Mistral
1 month ago

CyberSecurity, Offensive Security Engineer

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 8 minutes agoStatus: Live
Reposted: similar role first listed 1 month ago

Job Summary

Safeguard agentic AI products by proactively identifying and exploiting vulnerabilities across agent interactions, cloud infrastructure, and foundational models. Lead red and purple team exercises and run penetration tests across AI-driven workflows and user-facing interfaces. Collaborate with defensive teams to convert offensive findings into detection engineering and incident response improvements, build and automate offensive tooling, and contribute to threat modeling and security architecture to keep agents resilient against evolving adversaries.
Location: Paris
Workplace: Onsite
Employment Type: Full time
Job Function: Cybersecurity
Seniority: Mid level

Key Responsibilities

  • •Proactively hunt for vulnerabilities across agentic applications, cloud infrastructure, and foundational models using realistic high-impact attack vectors.
  • •Design and execute red and purple team exercises to stress-test defenses and improve detection capabilities.
  • •Partner with defensive teams to turn offensive insights into actionable improvements across detection engineering and incident response.
  • •Conduct in-depth penetration testing across the product suite, including AI-driven workflows, custom infrastructure, and user-facing interfaces.
  • •Build and automate offensive tooling and communicate findings to help stakeholders prioritize mitigations, while contributing to threat modeling and security strategy.

Pay and Benefits

Perks:Health InsuranceParental LeaveRetirementRelocationWellness StipendMeal AllowanceCommuter Benefits

Key Requirements

  • •7+ years of offensive security experience identifying and exploiting subtle vulnerabilities in complex systems, or equivalent expertise.
  • •Deep knowledge of AI/ML security risks, including prompt injection, data leakage, model manipulation, and abuse of dynamic UI components.
  • •Hands-on experience assessing technology stacks including custom Kubernetes and containerized environments.
  • •Experience with cloud-native architectures (AWS, GCP, or Azure) and CI/CD pipelines with GitHub security best practices.
  • •Ability to communicate technical findings effectively and collaborate with engineering, research, and product teams to embed security into development.
Experience:7+ yearsAI/MLOffensive securityCloud-nativeRed teamingPenetration testing
Skills:CommunicationCollaborationBuilder mindsetRisk assessment
Tech Stack:KubernetesContainerized environmentsAWSGCPAzureCI/CDGitHubMacOSLinuxPythonReactAI/MLData science toolchains

Company Brief

Mistral
Develops state-of-the-art large language models and AI systems, offering models and developer tools for natural language understanding, generation, and enterprise AI integrations. Focuses on open research and production-ready model deployments.
Industry: AI & Machine Learning
Company Size: Medium (51 to 250 employees)
Growth: Early Stage Startup
Funding: Seed
Headquarters: Paris, France
Founded: 2023
WebsiteLinkedIn