Senior Attack Engineer, Offensive Tooling

📋 Description

• • Senior Attack Engineer, Offensive Tooling role focused on designing, developing, and maintaining custom implant frameworks and C2 infrastructure to enhance the NodeZero platform’s ability to simulate real-world attacks and help organizations proactively defend against threats.
• • Day-to-day responsibilities include developing multi-platform implants in Rust, building and extending C2 server infrastructure, implementing post-exploitation modules (credential access, process injection, privilege escalation, lateral movement), researching AV/EDR evasion techniques, designing network pivoting and tunneling capabilities, and writing integration tests across diverse OS and architecture environments.
• • Horizon3.ai is a fast-growing, remote cybersecurity company founded by former U.S. Special Operations cyber operators, startup engineers, and frustrated security practitioners, dedicated to eliminating ineffective security tools, alert fatigue, blind spots, and the skills shortage through autonomous pentesting technology used by enterprises, government agencies, and MSSPs globally.
• • In this role, you will deepen your expertise in offensive security, low-level systems programming, and adversary emulation while contributing directly to a product that helps defenders prepare for real-world threats, with ownership over the full lifecycle of tooling from concept to deployment and monitoring.