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This position was posted on April 15, 2026 and is likely no longer accepting applications. We've kept it here for historical reference. Check out the similar jobs below!

Horizon3.ai, Inc. logo

Senior Attack Engineer, AWS SME

Job Overview

Location

US, Remote

Job Type

Full-time

Category

Cybersecurity

Date Posted

April 15, 2026

Full Job Description

đź“‹ Description

  • • Senior Attack Engineer, AWS SME at Horizon3.ai, a fast-growing remote cybersecurity company dedicated to enabling organizations to proactively find, fix, and verify exploitable attack vectors before criminals exploit them.
  • • Research, develop, and validate AWS offensive capabilities for NodeZero spanning external AWS API attack surfaces, assumed-breach VPC scenarios, and single-account, multi-account, and hybrid deployments; weaponize AWS misconfigurations and vulnerabilities into meaningful attack scenarios; own AWS offensive methodology from discovery to verification and customer narrative.
  • • Partner with Attack Engineering and Product teams to translate field learnings into product roadmap input; serve as AWS security SME for customer briefings, internal enablement, and external content such as blogs, demos, and conference talks; mentor Cloud Attack teammates to raise offensive rigor and delivery quality.
  • • Work within a team of former U.S. Special Operations cyber operators, startup engineers, and frustrated cybersecurity practitioners committed to solving security tool inefficiencies, alert fatigue, and skills shortages through a culture of respect, collaboration, ownership, and results in a remote-first environment requiring minimum 25Mbps broadband.

Skills & Technologies

Python
DynamoDB
AWS
Azure
GCP
Senior
Remote
$181k-223k

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Horizon3.ai, Inc. logo
Horizon3.ai, Inc.
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About Horizon3.ai, Inc.

Horizon3.ai provides autonomous security testing and attack surface management software. Its NodeZero platform continuously assesses enterprise networks, clouds, and applications to find exploitable weaknesses, validate fixes, and prioritize risks. The company serves Fortune 500, government, and mid-market organizations seeking proactive defense without manual red teams.

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