Engineering Manager – Rapid Response

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Horizon3.ai

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2019

🔒 Cybersecurity

🤖 Artificial Intelligence

☁️ SaaS

Cybersecurity • Artificial Intelligence • SaaS

Horizon3. ai is a cybersecurity company that specializes in autonomous penetration testing through its platform, NodeZero. The company's mission is to proactively identify and address attack vectors before they can be exploited, allowing organizations to continuously assess their security posture across various environments including cloud, IoT, and on-premises systems. Founded by veterans from the US Special Operations and National Security sectors, Horizon3. ai offers a self-service SaaS solution that provides organizations with insights into their security vulnerabilities without requiring persistent or credentialed agents.

📋 Description

• Lead, mentor, and grow a team of Attack Engineers specializing in vulnerability research, reverse engineering, and exploit development • Manage a diverse team across multiple seniority levels (from junior engineers to Principal Attack Engineers) • Set technical direction, priorities, and quality standards for vulnerability research and attack module development • Foster a culture of continuous learning, raising the bar for offensive rigor, delivery quality, and secure software development practices • Drive hiring and organizational scaling as the Vulnerability Research team expands • Own the delivery strategy across vulnerability research, patch-diffing, and rapid N-Day weaponization • Guide the development of end-to-end exploit methodologies • Oversee the reverse engineering of application binaries and patches (Java, C#, .NET, native binaries) • Ensure the rapid and safe development of proof-of-concept (PoC) exploits for integration into the core product • Oversee the acquisition and configuration of test systems for exploit development and attack scenario validation • Ensure NodeZero capabilities remain cutting-edge by maintaining a comprehensive global view of emerging vulnerabilities and the latest threat landscape • Create tight feedback loops to ensure reverse-engineered exploits are swiftly weaponized and integrated into NodeZero • Manage operational cadences and ensure the team is prepared to rapidly respond to high-priority emerging vulnerabilities

🎯 Requirements

• 2-3+ years of direct people management experience • 3+ years of software development experience • 5+ years leading offensive security, vulnerability research, or red teams • Experience hiring and interviewing engineers • Proven ability to balance hands-on technical depth with strategic leadership • Strong technical writing and communication skills • Deep expertise in vulnerability research, reverse engineering, and exploit development • In-depth knowledge of common exploitation techniques (e.g., SQL injection, path traversal, buffer overflows) • Strong understanding of network protocols, virtualization technologies, and their role in exploitation vectors • Experience with reverse engineering technologies like IDA or Ghidra • Strong background in production software engineering, ideally in Python • Familiarity with secure software development practices, Git version control, and effective team workflows • Ability to evaluate technical designs and ensure high-quality, production-safe software • Experience working with database systems like Postgres or Neo4j • Experience with vulnerability disclosure processes (e.g., published CVEs) or bug bounty programs • Familiarity with additional programming languages such as C, C++, Rust, or Assembly • Knowledge of containerization technologies like Docker and Kubernetes • Experience working with cloud environments (AWS, etc.) and large-scale software projects

🏖️ Benefits

• Health, vision & dental insurance for you and your family • Flexible vacation policy • Generous parental leave • Equity package in the form of stock options