Security Research Engineer

RunSybil Inc.; New York (NY); On-site; USD 120,000 - 170,000; Full time

Benefits offered by this job

Equity options

Excellent health plans

Unlimited PTO

Job summary

RunSybil, a security startup in New York, is seeking a Security Research Engineer to join a hybrid team. You will build offensive security capabilities and production-grade features that developers love, delivering robust Python backend services and modern JS interfaces.

You’ll work on AI-driven security tools, collaborate on design decisions, and drive projects to completion with autonomy in a fast-moving environment. Some travel may be required.

Qualifications

• 4+ years of software development experience.
• Offensive security experience or security-facing product development.
• Production Python backend experience.
• Strong knowledge of modern JS/React design patterns.
• Experience writing testable and performant code.

Responsibilities

• Develop offensive agentic capabilities.
• Lead end-to-end development of customer-facing features and systems.
• Propose and implement technical initiatives based on product roadmap.
• Lead technical design discussions and provide engineering feedback.
• Translate ambiguous challenges into actionable plans and execute with the team.
• Maintain high standards for code quality and craftsmanship.

Skills

Python

JavaScript

React

Generative AI

DevOps

Code quality

Job description

View all jobs Security Research Engineer New York San Francisco Engineering Hybrid Full-time

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!