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Offensive Security Agent Engineer

New York, New York, United States💼 Full-time🗓 2026-08-28 → 2026-09-25

Core

Build systems, harnesses, and execution environments that enable autonomous AI agents to discover and exploit vulnerabilities in modern web applications and APIs.

Role type

Senior IC Offensive Security Agent Engineer

Builds

Autonomous offensive security workflows, agent harnesses, and execution environments for the Apex and Pensar platforms

Domain

Cybersecurity, Web Application Security, Agentic AI Systems

Deliverable

production ML models | product features

Required skills

Python, Go, JavaScript/TypeScript, Rust, C/C++, browser automation (Playwright, Puppeteer, CDP), HTTP, web vulnerability classes, agentic systems, LLM applications, complex tool-using AI systems, Linux, containers, cloud infrastructure

Preferred skills

Debugging complex distributed systems, translating manual security techniques into software primitives, designing evaluation benchmarks for autonomous agents, open source contribution

Technologies

Playwright, Puppeteer, Chrome DevTools Protocol, Apex, Pensar

Responsibilities

Design and build agent harnesses for autonomous offensive security workflows; Develop tooling for agents to interact with browsers, terminals, proxies, and scanners; Build orchestration for long-running multi-step security tasks; Create evaluation systems and benchmarks to measure agent performance; Convert human offensive security techniques into reproducible agent capabilities; Contribute to the Apex open-source tool and platform architecture

Seniority

Senior, hands-on IC

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