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

Robust networking fundamentals

· TCP/IP, UDP

· Latency and routing behavior

Nice to Have Skills:

 Experience with Anycast DNS deployments  Exposure to other DNS software: Unbound, PowerDNS, Knot DNS  Automation and scripting (Shell, Python, Ansible)

 Monitoring tools:

- Prometheus, Grafana, Nagios, Zabbix

 ITIL processes (Incident, Problem, Change Management experience)

Minimum Years of Experience: 5+





Certifications Needed: No

Top 3 responsibilities you would expect the Subcon to shoulder and execute  Act as L3 escalation point for complex DNS incidents impacting production services  Diagnose and resolve critical DNS outages, performance degradation, and security issues  Provide expert support for authoritative and recursive DNS infrastructures  Work closely with L1/L2 teams, NOC, and Core Network teams to restore services quickly

Deep troubleshooting of BIND

Perform DNS protocol‑level analysis

Lead root cause analysis (RCA) for major incidents

📌 Support Engineer DNS (Sydney)
🏢 XPT Software Australia Pty
📍 Sydney