Horizon3Ai

Senior IT Systems Engineer

Who can apply: US-based role. The employer has not said which states are eligible — confirm before applying.
Location as listed by the employer: “US, Remote”
Apply on Horizon3Ai's site ↗

Opens the employer's official application page.

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About this role

Horizon3Ai is hiring for a Senior IT Systems Engineer role (full-time). See the official posting for full details.

Requirements

  • 3–5 years of experience in systems administration, identity/security engineering, or network administration
  • Experience supporting a distributed or remote-first workforce
  • Identity/SSO platform (e.g., Okta, or similar)
  • Email security gateway / anti-phishing tooling (e.g., Proofpoint, Mimecast, or similar)
  • Email/collaboration platform (Google Workspace or Microsoft 365, or similar)
  • Enterprise firewalls (e.g., Palo Alto, Fortinet, or similar)
  • Routing and switching (e.g., Cisco, Meraki, or similar)
  • Network monitoring tools

Summarized from the employer's posting — check the full posting for every requirement.