RunSybil is an autonomous offensive security solution. Find exploitable vulnerabilities before a breach, eliminate noise, and remediate at enterprise scale. Backed by Menlo and Conviction.
About the role
Building Sybil means working on hard problems at the intersection of AI and offensive security. This is a role for engineers who want real ownership over what they ship and care about the quality of what they build. The engineers who thrive here move quickly on ambiguous problems, build infrastructure that scales, and care deeply about the quality of what they ship. Design, build, and ship secure, scalable systems that power automated penetration testing at scale
What they're looking for
- 6+ years building products or platforms that serve real customers
- Strong foundation in distributed systems, including how they fail and how to recover
- Experience as a core contributor on a team that scaled a product to meet significantly increased demand
- Proficiency with Python and TypeScript, comfort working across the stack when needed
- Familiarity with cloud platforms (AWS, GCP, or Azure), containerization, and modern deployment practices
- Deep understanding of how to apply modern AI and LLMs for real product impact
More about this role
RunSybil is an AI security startup scaling offensive security services by automating hacker intuition. We're building Sybil: an AI-powered penetration testing product that finds vulnerabilities faster than human hackers. Backed by strong investor support and early customer traction, our team is composed of experts from the likes of OpenAI, Meta, Mandiant, Palantir, Cruise, and Trail of Bits.
Building Sybil means working on hard problems at the intersection of AI and offensive security. This is a role for engineers who want real ownership over what they ship and care about the quality of what they build. The engineers who thrive here move quickly on ambiguous problems, build infrastructure that scales, and care deeply about the quality of what they ship.
Design, build, and ship secure, scalable systems that power automated penetration testing at scale
Own features end-to-end: from technical design through deployment and production monitoring
Identify gaps in the product and propose technical initiatives to close them, without waiting to be asked
Lead technical design discussions and contribute meaningfully to decisions on architecture, tooling, and approach
Translate ambiguous...
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