Horizon3 jobs
65 open roles in the US
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Senior Software Engineer, Pentest Experience
US, Remote · Posted Nov 4, 2026
Senior Software Engineer, Partner Integrations
US, Remote · Posted Nov 3, 2026
WebApp Offensive Security Software Engineer
US, Remote · Posted Oct 30, 2026
Staff Product Manager, Agentic Data Platform
San Francisco, California • New York City, NY · Hybrid · Posted Oct 27, 2026
Staff Product Manager, Growth
New York City, NY • San Francisco, California · Hybrid · Posted Oct 27, 2026
Senior Director, Engineering – Proactive Offense
US, Remote · Posted Oct 26, 2026
Procurement Operations Analyst
US, Remote · Posted Oct 26, 2026
Director of Engineering, Webapp & AI Attack
US, Remote · Posted Oct 26, 2026
AI Administrator, Business Applications
US, Remote · Posted Oct 26, 2026
Senior People Partner, GTM
Chicago, Illinois · Hybrid · Posted Oct 26, 2026
IT Administrator, Business Applications
US, Remote · Posted Oct 26, 2026
Senior Business Applications Engineer
US, Remote · Posted Oct 26, 2026
Senior Financial Analyst, Corporate FP&A
US, Remote · Posted Oct 26, 2026
Senior Attack Engineer, Internal Systems
US, Remote · Posted Oct 26, 2026
Director, Product Marketing, Proactive Offense
US, Remote · Posted Oct 26, 2026
IT Analyst (Remote)
US, Remote · Posted Oct 25, 2026
Enterprise Account Executive, Colorado
US, Remote · Posted Oct 23, 2026
Enterprise Account Executive, KS/MO
US, Remote · Posted Oct 23, 2026
Staff Software Engineer, Data Platform
US, Remote · Posted Oct 23, 2026
Staff Software Engineer, OTA Services
US, Remote · Posted Oct 23, 2026
Staff Software Engineer, Partner Integrations
US, Remote · Posted Oct 23, 2026
Engineering Manager, Data Streaming
US, Remote · Posted Oct 23, 2026
Staff Software Engineer, Image Build & Release
US, Remote · Posted Oct 23, 2026
Engineering Manager, Partner Integrations
US, Remote · Posted Oct 23, 2026
Staff Product Manager, Hack, Fix, Verify Experience
New York City, NY • San Francisco, California · Hybrid · Posted Oct 23, 2026
Engineering Manager, EDR
US, Remote · Posted Oct 23, 2026
Federal Platform Engineer
US, Remote · Posted Oct 23, 2026
Deal Desk Manager, US - West Coast
US, Remote · Posted Oct 22, 2026
Senior Customer Marketing Manager
US, Remote · Posted Oct 22, 2026
Senior Director, Engineering, Precision Defense
US, Remote · Posted Oct 22, 2026
Senior Attack Engineer, External
US, Remote · Posted Oct 19, 2026
Staff Attack Engineer, External
US, Remote · Posted Oct 19, 2026
Senior Backend Engineer, External
US, Remote · Posted Oct 19, 2026
Federal Senior Product Analytics Engineer
US, Remote · Posted Oct 15, 2026
Federal Senior Data Engineer
US, Remote · Posted Oct 15, 2026
Director of IT Engineering
US, Remote · Posted Oct 14, 2026
Principal Software Engineer, Agentic Data Platform
US, Remote · Posted Oct 13, 2026
Staff Product Manager, Rapid Response
San Francisco, California • Washington, DC • New York City, NY · Hybrid · Posted Oct 9, 2026
Strategic Partner Executive, CDW
US, Remote · Posted Oct 7, 2026
Staff Software Engineer, Front End
US, Remote · Posted Oct 7, 2026
Senior Product Analytics Engineer
US, Remote · Posted Oct 5, 2026
Senior Revenue Operations Program Manager
US, Remote · Posted Oct 2, 2026
Sr. Manager, People Operations
US, Remote • Philadelphia, PA • Washington, DC • Miami, Florida • Boston, Massachusetts • New York City, NY · Posted Oct 1, 2026
Senior Backend Engineer, Integrations
US, Remote · Posted Sep 28, 2026
Senior Backend Engineer, Growth & MSSP
US, Remote · Posted Sep 28, 2026
Senior/Staff Site Reliability Engineer
US, Remote · Posted Sep 25, 2026
Senior/Staff Developer Experience Engineer
US, Remote · Posted Sep 25, 2026
Senior/Staff Platform Engineer
US, Remote · Posted Sep 24, 2026
Federal Sales Engineer, DoW
Washington, DC · Posted Sep 16, 2026
Federal Sales Engineer, CIV
Washington, DC · Posted Sep 16, 2026
Enterprise Account Executive, Los Angeles
US, Remote · Posted Sep 15, 2026
Senior Machine Learning Engineer, Autonomous Defense
US, Remote · Posted Sep 14, 2026
Senior Backend Engineer, Autonomous Defense
US, Remote · Posted Sep 14, 2026
Applied AI Engineer, Autonomous Defense
US, Remote · Posted Sep 14, 2026
Principal Software Engineer, Autonomous Defense
US, Remote · Posted Sep 14, 2026
Sales Engineer (Northeast)
US, Remote · Posted Sep 3, 2026
Staff Attack Engineer, Internal/AD
US, Remote · Posted Sep 1, 2026
Senior Backend Engineer, Data & App Platform
US, Remote · Posted Aug 28, 2026
Senior Backend Engineer, Precision Defense
US, Remote · Posted Aug 27, 2026
Senior/Staff Data Engineer
US, Remote · Posted Aug 27, 2026
Senior Federal Account Executive, DoW
Washington, DC · Posted Aug 25, 2026
Senior Federal Account Executive, Civilian
Washington, DC · Posted Aug 25, 2026
Senior Federal Account Executive, Intelligence Community
Washington, DC · Posted Aug 24, 2026
Staff Product Manager, Tripwires
San Francisco, California • New York City, NY · Hybrid · Posted Aug 18, 2026
Staff Technical Support Engineer (Web App)
US, Remote · Posted Aug 6, 2026