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Senior Network Engineer

📍 CoStar Group • Australia, New South Wales, Australia • Posted June 03, 2026

Full time Posted June 03, 2026
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Job Description

Responsibilities

  • Own the installation, monitoring, maintenance, and support of enterprise network infrastructure, including switches, firewalls, wireless access points, and SD-WAN appliances.
  • Serve as an escalation point for complex (L3) network incidents; drive triage, containment, root-cause analysis, and corrective/preventative actions.
  • Participate in an on-call rotation to support 24x7 network operations; lead incident response, stakeholder communications, and post-incident reviews to prevent recurrence.
  • Lead hands-on office and data center network deployments, upgrades, and troubleshooting across global locations, ensuring consistent standards and repeatable outcomes.
  • Create implementation plans for network changes (scope, risk, validation, and rollback) and execute changes during approved maintenance windows.
  • Maintain high-quality network documentation (diagrams, configs, standards, runbooks) that enables reliable operations and ...

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