Senior Offensive Security Consultant

Get to Know Us

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.

JOB TITLE: SENIOR OFFENSIVE SECURITY CONSULTANT (RED TEAM / PENETRATION TESTER)

LOCATION: REMOTE (UNITED STATES)
TRAVEL:MINIMAL (OCCASIONAL COMPANY OR CLIENT MEETINGS, OR ONSITE REQUIREMENTS, <10%)
CITIZENSHIP REQUIREMENT: U.S. CITIZEN (REQUIRED FOR STATE AND LOCAL GOVERNMENT OPPORTUNITIES)

ROLE SUMMARY

We’re looking for a Senior Offensive Security Consultant with deep, hands-on experience leading end-to-end penetration testing and red team engagements. In this role, you’ll assess real customer production environments — including internal networks, web applications, and cloud infrastructure — to uncover vulnerabilities, validate attack paths, and deliver clear, actionable risk insights.

You will primarily lead remote engagements (1–2 weeks in duration) that include both pure red te...