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Applied AI Engineer, Autonomous Defense

Horizon3

MakeYouFirst tailors your CV to this job, writes the cover letter, finds the recruiter’s email and sends the application from your own mailbox, once you approve it.

In brief

Horizon3 is hiring: Applied AI Engineer, Autonomous Defense in the US.

Duties

  • We're looking for an AI Researcher to build the agents that turn our offensive knowledge into defensive action.
  • You'll build agents that reason from a proven attack path to the specific control changes that break it - EDR policy, firewall and segmentation…
  • That last part is why this is tractable.
  • Most defensive AI has no ground truth and gets graded on whether its advice sounds reasonable.
  • Ours gets graded on whether the attack still works.

Excerpt from the ad

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…

Source: ad by Horizon3, published on Careers pages (ATS). MakeYouFirst summarises this ad; the advertiser remains responsible for its content.

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FAQ

Frequently asked questions

Can this job be done remotely?

Yes, the ad says the job is fully remote.

Where is the job based?

The job is based in the US (United States).

How do I apply for this job?

Click “Apply now”: with your free MakeYouFirst account, your CV and cover letter are tailored to this job, the recruiter’s email is found for you and the application is sent from your own mailbox once you approve it.

Which software should I master for machine learning engineer jobs?

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Can you start machine learning engineer jobs through an apprenticeship or internship?

Yes, business support and IT employers regularly hire apprentices, interns and graduates, often with a permanent job at the end. Use the contract filter to list those offers.

Listing published by Youssef Douiri, founder of MakeYouFirst · Updated on 11 November 2026

MakeYouFirst — a Global Digital Agency product