CyberSecurity, Product Security Engineer

Mistral
Paris
Workplace: OnsiteFull timeFunction: CybersecurityExperience: 5+ yearsSkills: ["Communication","Influencing","Technical judgment","Pragmatic mindset","Engineering-first mindset"]

Own product security strategy and serve as the dedicated security partner for one or more AI product teams. Drive secure-by-design work across the full lifecycle—architecture and threat modeling, design/code review for authentication, authorization, tenant isolation and crypto, and security validation through targeted testing and abuse-case assessment. Partner to remediate vulnerabilities and improve security automation and SDLC guardrails while defining product security metrics and practices.

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FursaFursa
Mistral
Mistral
1 month ago

CyberSecurity, Product Security Engineer

✓ Verified Job

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

Source: Company careers pageValidated by: Fursa AI
Last checked: 7 hours agoStatus: Live

Job Summary

Own product security strategy and serve as the dedicated security partner for one or more AI product teams. Drive secure-by-design work across the full lifecycle—architecture and threat modeling, design/code review for authentication, authorization, tenant isolation and crypto, and security validation through targeted testing and abuse-case assessment. Partner to remediate vulnerabilities and improve security automation and SDLC guardrails while defining product security metrics and practices.
Location: Paris
Workplace: Onsite
Employment Type: Full time
Job Function: Cybersecurity
Seniority: Mid level

Key Responsibilities

  • •Serve as the dedicated Product Security partner for one or more product organizations (e.g., Vibe, Studio, Forge).
  • •Drive security across the product lifecycle from design and architecture through deployment and ongoing operation.
  • •Lead threat modeling, security architecture reviews, and risk assessments for new features, APIs, and major architectural changes.
  • •Define secure-by-default requirements and product-specific security validation strategies, including targeted testing and abuse-case development.
  • •Review critical designs and code and partner to prioritize and remediate vulnerabilities; collaborate on reusable security platforms and developer guardrails.

Pay and Benefits

Perks:Health InsuranceParental LeavePensionRelocationWellness StipendMeal AllowanceTravel Allowance

Key Requirements

  • •5+ years of experience in Product Security, Application Security, or Software Engineering with a strong security focus.
  • •Strong understanding of modern software architecture, distributed systems, APIs, and cloud-native applications.
  • •Experience performing threat modeling, security architecture reviews, and secure design assessments.
  • •Deep knowledge of software security including authentication, authorization, cryptography, secrets management, tenant isolation, secure data flows, and OWASP Top 10/CWE.
  • •Strong software engineering skills in Python, Go, TypeScript (or similar) and the ability to build security automation and perform application security testing (e.g., penetration testing, bug bounty).
Experience:5+ yearsApplication securityProduct securityCloud-nativeDistributed systems
Skills:CommunicationInfluencingTechnical judgmentPragmatic mindsetEngineering-first mindset
Tech Stack:PythonGoTypeScriptOWASP Top 10CWESDLC

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