Support Engineer
XPT Software Australia Pty Ltd · Sydney, New South Wales, Australia
IT Services and IT Consulting · 51-200 employees
About the role
Provide expert-level support and operational management for DNS infrastructure. Ensure optimal query resolution, caching performance, and network routing stability.
What they look for
Requirements
Requires over 5 years of experience in DNS operations with specific expertise in BIND and Linux/Unix administration. Candidates must possess a deep understanding of DNS protocol internals and networking fundamentals like TCP/IP and UDP.
Full description
Must Have Skills: 5+ years of experience in DNS operations/support, with at least 2–3 years at L3 level
Strong hands‑on experience with BIND (open‑source DNS)
Deep understanding of:
· DNS protocol internals
· Authoritative vs Recursive DNS
· TTL, caching behavior, and query resolution flow
Strong Linux/Unix system administration experience
Strong networking fundamentals:
· TCP/IP, UDP
· Latency and routing behavior
