Pentester, Offensive Forward Deployment Engineer
Paris-based AI company building frontier models, AI applications, developer tools, and compute infrastructure for enterprise and public-sector deployments.
Maintainer signals as of 9/23/2026
About Mistral AI
Mistral AI develops open-weight and commercial language models and provides a full-stack AI platform spanning agents, application development, custom-model training, APIs, and AI cloud infrastructure.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will scope and run offensive security engagements, execute tooling, triage findings, and advise clients on deployment and remediation. You will travel to client premises and move between engagements. You will test internal systems and open-source or in-the-wild targets, transfer findings to security colleagues, and use offensive expertise to guide, validate, and benchmark AI-powered security testing capabilities.
Requirements
- Specialty in web security, application security, and source-code review
- Ability to run a penetration-testing engagement solo from scoping to delivery
- Experience using AI in a security workflow
- Client-facing penetration-testing experience
- Ability to travel and switch between engagements
- Track record of delivering high-quality penetration-testing results
- Vulnerability identification and problem-solving skills
Responsibilities
- Run offensive security engagements from scoping through delivery
- Execute security tooling and triage false positives
- Advise clients on deployment and remediation
- Travel to client premises for engagements
- Pentest internal systems and hunt for vulnerabilities
- Test open-source and in-the-wild targets between engagements
- Transfer security knowledge and findings to the internal security team
- Identify vulnerabilities that automated security testing should detect
- Validate and triage automated security-testing output
- Benchmark human and agent security-testing performance
- Contribute to AI-powered offensive security capabilities
Benefits
- Healthcare coverage
- Parental leave
- Retirement plans
- Relocation support
- Wellness programs
- Meal allowances
- Transportation allowances
- Location-specific perks