Horizon3.ai, Inc. logo

Staff Technical Support Engineer

Job Overview

Location

US, Remote

Job Type

Full-time

Category

Software Engineering

Date Posted

July 21, 2026

Full Job Description

đź“‹ Description

  • • We are seeking a seasoned Staff-Level Enterprise Technical Support Engineer with 8+ years of hands-on industry experience to join our high-performing support team.
  • • In this role, you will serve as a senior technical authority for our enterprise customers, diagnosing and resolving the most complex issues related to cloud infrastructure, networking, and security.
  • • You'll drive cross-functional collaboration to ensure seamless customer experiences, applying deep expertise in Linux, containerization, and cloud technologies.
  • • This position requires a highly autonomous technical leader who excels in fast-paced enterprise environments, owns resolution of critical escalations, and actively shapes the technical direction of the support function.
  • • Serve as the ultimate escalation point for enterprise customers, leading resolution of the most critical and ambiguous technical issues across cloud, networking, and infrastructure domains.
  • • Drive root cause analysis on systemic and recurring problems, partnering with engineering and product teams to influence upstream fixes and long-term reliability improvements.
  • • Lead cross-functional initiatives with engineering, product, and sales teams to resolve complex technical challenges, while establishing documentation standards and knowledge frameworks that scale across the team.
  • • Own the design and review of customer environment architectures, providing authoritative guidance on best practices for infrastructure as code, containerized applications, and cloud-native patterns.
  • • Define and refine support processes, SLA frameworks, and escalation paths, contributing directly to operational excellence and continuous improvement at the team level.
  • • Mentor and technically develop senior and junior team members alike, driving a culture of engineering rigor, knowledge sharing, and technical growth across the support organization.
  • • Identify emerging technology trends and proactively introduce capabilities, tooling, and practices that elevate the team's support effectiveness and customer outcomes.
  • • Key Responsibilities
  • • Required Qualifications
  • • Preferred Qualifications
  • • Travel Required
  • • Perks of Horizon3.ai
  • • Compensation and Values
  • • You Belong Here
  • • Other Duties
  • • Application Note

Skills & Technologies

Python
JavaScript
AWS
Azure
GCP
Senior
Remote
$117k-145k
Degree Required

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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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