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Automating hacker intuition. We’re hiring!
The Role
Build offensive, agentic capabilities and customer-facing features using LLMs; design and ship production Python backends; lead technical design discussions; propose and implement roadmap initiatives; translate ambiguous challenges into actionable plans; uphold code quality and engineering standards while working with a fast-moving security product team.
Summary Generated by Built In
About RunSybil
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.
About this Role
We are seeking talented engineers intent on changing the security industry. If you have experience on fast-moving teams, building security products that developers love, and driving projects to completion through ambiguity: we want to talk to you.
Ideal candidates have experience building with LLMs.
What You’ll Do:
- Offensive agentic capability development
- End-to-end development of high-impact customer facing features and systems
- Propose and implement technical initiatives based on product roadmap needs
- Lead technical design discussions, contribute to team decisions, and provide feedback on engineering approaches
- Translate ambiguous technical challenges into actionable plans, and execute them in collaboration with the team
- Serve as the cornerstone of our engineering culture by setting and upholding exemplary standards for code quality, practices, and craftsmanship
We’re Looking For Someone Who Has A Mix of The Following:
- 4+ years of experience building software
- Offensive security experience finding vulnerabilities in a variety of targets
- Experience designing, deploying, and maintaining production Python backend code
- Strong understanding of modern JS, React, and Python design patterns
- Experience in writing testable and performant code
- Experience with generative AI: ideal candidates have built tools powered by an LLM
- Ideal candidates will be familiar with DevOps or infrastructure engineering concepts
- Seeks autonomy, creative problem-solving, and moving quickly
Location:
Hybrid role based in New York City. Some travel may be required.
What We Offer:
- Competitive Salary: Attractive startup compensation package with equity options
- Benefits: Excellent medical, dental, and vision plans. Unlimited PTO
- Growth Opportunities and Early Impact: Work directly with and learn from industry leaders while driving significant impact in our fast-growing security startup
We understand not every applicant will meet every qualification. We value hard work and potential, and still want to hear from you!
Skills Required
- 4+ years of experience building software
- Offensive security experience finding vulnerabilities across varied targets
- Experience designing, deploying, and maintaining production Python backend code
- Strong understanding of modern JavaScript, React, and Python design patterns
- Experience writing testable and performant code
- Experience building tools powered by LLMs / generative AI
- Familiarity with DevOps or infrastructure engineering concepts
- Experience on fast-moving teams and shipping security products
- Autonomy, creative problem-solving, and ability to move quickly
RunSybil Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about RunSybil and has not been reviewed or approved by RunSybil.
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Healthcare Strength — Healthcare coverage is described as 100% employer-paid for employees and 80–85% for dependents, with travel insurance, pet-insurance discounts, and access to mental-health, primary-care, coaching, fitness, and navigation partners plus an EAP. These elements point to broad coverage and strong day-to-day support for a startup.
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Leave & Time Off Breadth — Time off is presented as unlimited PTO with a suggested minimum of 20 days and 14 company holidays. This added clarity around a floor can make the policy more usable in practice.
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Parental & Family Support — Parental leave is listed at 12 weeks paid with a flexible return-to-work policy. Company materials frame this as more explicit than many early-stage peers.
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The Company
What We Do
RunSybil's mission is to automate hacker intuition. We offer active defense capabilities based on the state-of-the-art in AI and exploitation. We're taking Dixie Flatline out of Neuromancer and putting him on every security team. Stay tuned ?
