108 current openings at Horizon3, newest first.
All of them are still live on their source and open to applications; you apply on the original source.
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Remote MSP/MSSP Platform Engineering Lead
United States
Remote
Posted · 26.09.2026
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Remote Cybersecurity Enterprise Sales Executive
United States
Remote
Posted · 26.09.2026
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Senior Engineering Manager, MSSP
United States
Remote
Posted · 26.09.2026
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Staff Site Reliability Engineer
US, Remote, United States
Remote
Posted · 25.09.2026
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Staff Developer Experience Engineer
US, Remote, United States
Remote
Posted · 25.09.2026
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Staff Platform Engineer
US, Remote, United States
Remote
Posted · 24.09.2026
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Partner Operations Manager, MSSP
US, Remote, United States
Remote
Posted · 08.09.2026
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Senior Engineering Manager, MSSP
US, Remote, United States
Remote
Posted · 23.09.2026
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Senior Detection Engineer (EDR), Autonomous Defense
US, Remote, United States
Remote
Posted · 19.09.2026
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Senior Backend Engineer, Autonomous Defense
US, Remote, United States
Remote
Posted · 14.09.2026
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Staff Software Engineer, Autonomous Defense
US, Remote, United States
Remote
Posted · 14.09.2026
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Senior Machine Learning Engineer, Autonomous Defense
US, Remote, United States
Remote
Posted · 14.09.2026
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Staff Attack Engineer, OCI
US, Remote, United States
Remote
Posted · 11.06.2026
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Field Enablement Manager, SDR & Commercial
US, Remote, United States
Hybrid
Posted · 22.09.2026
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Field Enablement Manager, Mid-Enterprise
Chicago, Illinois, United States
Hybrid
Posted · 22.09.2026
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Senior Federal Compliance Lead (IL4/IL5) - Remote
United States
Remote
Posted · 20.09.2026
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Senior Account Executive, MSSP
US, Remote, United States
Remote
Posted · 16.09.2026
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Senior Backend Engineer, Data & App Platform
US, Remote, United States
Remote
Posted · 28.08.2026
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Senior Product Marketing Manager, Internal & Cloud Pentesting
US, Remote, United States
Remote
Posted · 21.09.2026
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Senior Backend Engineer, Security Controls
US, Remote, United States
Remote
Posted · 28.07.2026