Pentester (Cybersecurity)

TL;DR

Pentester (Cybersecurity): Triage and validate output from AI-powered offensive security engine with an accent on vulnerability analysis, reverse engineering false positives, and refining detection logic. Focus on developing repeatable methodologies for exploit chains, providing structured feedback to AI and product teams, and supporting customer validation of findings.

Location: Remote from Europe or US (all team remote with occasional in-person collaboration travel)

Company

AI-powered offensive security platform that autonomously discovers and exploits vulnerabilities, founded by GitHub Copilot creator and backed by Sequoia and Altimeter.

What you will do

• Triage AI engine output to validate real vulnerabilities and filter noise.
• Analyze false positives via reverse engineering to improve model behavior.
• Collaborate with Product, R&D, and AI teams on exploit quality and edge cases.
• Conduct in-depth vulnerability analysis and support AI-driven reporting.
• Assist customers in understanding, reproducing, and validating findings.
• Develop methodologies for evaluating exploit chains and attack patterns.
• Own end-to-end investigations with recommendations for fixes or improvements.
• Research new vulnerability classes and exploitation techniques.

Requirements

• Deep hands-on penetration testing experience in application, web, and cloud
• Experience validating/reproducing vulnerabilities, crafting PoCs, assessing exploitability
• Strong ability to distinguish real issues from false positives methodically
• Proficiency with offensive tools (Burp, Nmap, Metasploit, Ghidra, IDA, custom scripts)
• Strong written communication for technical findings to engineers and customers
• Comfort in fast-moving, ambiguous environments with continuous learning

Nice to have

• Collaboration with engineering, research, or product teams
• Background in exploit development, fuzzing, or vulnerability research
• Experience with large-scale systems, cloud, or CI/CD security
• Building offensive security tooling
• Work in early-stage startups or high-velocity research
• Customer-facing technical roles or consulting

Culture & Benefits

• Competitive salary and generous equity package
• Shape your role and influence product direction
• Work on technically challenging AI-security problems with world-class team
• Fully remote team with support for in-person collaboration travel
• Focus on mission fit, capability, and impact over titles

Hiring process

• 30-min intro chat with Senior Talent Partner
• 45-min with Offensive Security Leader
• 1-2 hour technical deep dive on triage and attack analysis