# Staff Software Engineer, Firewall at Horizon3Ai

- Company: Horizon3Ai
- Status: Open
- Workplace: Remote
- Location: US, Remote · Remote
- Level: Staff
- Discipline: Security
- Employment: Full-time
- Posted: 2026-10-30
- Skills: NodeZero, Firewall
- Apply: https://jobs.ashbyhq.com/horizon3ai/90a870d7-2a66-4245-9bfd-3f4d37d68882

## Description

Get to Know Us

Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find, 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 IT Ops/SecOps teams, consulting pentesters, and MSSPs and MSPs.

We are a fusion of former U.S. Special Operations cyber operators, startup engineers & operators, and formerly frustrated cybersecurity practitioners. We're committed to helping solve our common security problems: ineffective security tools and 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.



What You’ll Do

We’re hiring a Staff Software Engineer to serve as the hands-on technical lead for the Firewall pod within Precision Defense. NodeZero helps customers understand where Web Application Firewall policies do—and do not—protect them along validated attack paths, then take informed action.

You’ll build and evolve the services and integrations that connect NodeZero with WAF ma

More Horizon3Ai roles: https://deviantjobs.com/companies/horizon3ai