Horizon3 uses real-world attacks to safely show what attackers can actually do in your environment—so you can fix and prove what matters. Backed by NEA.
About the role
As Senior Director of Engineering for Proactive Offense, you’ll set the engineering direction and build the organization that turns offensive security research and capabilities into dependable, customer-facing NodeZero products. You’ll lead through engineering managers, technical leaders, and senior individual contributors across multiple teams, balancing technical judgment with organization-wide strategy and execution. Found on 1752vc Careers, the job board for startup and VC roles.
What they're looking for
- Deep familiarity with offensive security techniques and practices, including vulnerability research, exploit development, attack automation, or red-team operations, and the ability to translate them into scalable product capabilities
- Proficiency in at least one modern programming language such as Python, Go, C++, or C#, with experience building or guiding the development of large-scale software systems
- Strong understanding of platform design, system architecture, and automation pipelines, including CI/CD, containerization, infrastructure as code, and observability practices
- Experience with cloud infrastructure and services such as AWS, Azure, or GCP, and with production SaaS or security platforms
- Familiarity with network protocols, multiple operating systems (including Windows and Linux), and common enterprise technologies
- Working knowledge of databases such as PostgreSQL, Neo4j, or similar, and data-flow design
More about this role
Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find and fix and verify exploitable attack vectors before criminals exploit them. Our flagship product, the NodeZeroTM platform, delivers production-safe autonomous pentests and other key assessment operations that scale across the largest internal, external, cloud, and hybrid cloud environments. NodeZero has been adopted by organizations of all sizes, from small educational institutions to government agencies and Global 100 enterprises. It is used by ITOps/SecOps teams, consulting pentesters, and MSSPs and MSPs.
We are a fusion of former U.S. Special Operations cyber operators, startup engineers, and formerly frustrated cybersecurity practitioners. We're committed to helping solve our common security problems: ineffective security tools, false positives resulting in alert fatigue, blind spots, "checkbox” security culture, cybersecurity skills shortage, and the long lead time and expense of hiring outside consultants. Collectively, we are a team of learn it alls, committed to a culture of respect, collaboration, ownership, and results.
As Senior Director of...
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