MP
$320,000 – $405,000
Listed on Menlo Ventures Portfolio’s own careers site. You apply with them directly — we never stand between you and the employer.
What this role is
This role involves adversarial testing of AI systems and products to identify vulnerabilities before they can be exploited. It suits security professionals who want to shift their expertise toward novel threats in AI, combining traditional penetration testing with emerging safety challenges unique to large language models and agentic systems.
Our summary, not Menlo Ventures Portfolio’s wording. The full posting is on their site.
Skills this role names
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What they ask for
Required
- Penetration testing, red teaming, or application security experience
- Model jailbreaking and large-scale agentic workflow testing experience
- Web application security expertise with hands-on security testing tools
- Custom automation and LLM-specific testing framework development
- Track record of discovering novel attack vectors and chaining vulnerabilities
- Public security work (CVEs, blog posts, or bug bounty disclosures)
- Strong written and verbal communication skills
Nice to have
- AI/ML security or adversarial machine learning experience
- AI safety knowledge beyond traditional security, including jailbreak guardrails
- API security and rate-limiting testing experience
- Business logic and authorization bypass testing background
- Anti-fraud, trust & safety, or abuse prevention systems experience
- Distributed systems and infrastructure security familiarity
- Abuse detection mechanism and bypass engineering experience
- Adaptability to emerging threat domains outside direct expertise