Job Description
Must Have Skills:
n
5+ years of experience in DNS
operations/support,
with at least 2–3 years at L3 level
n
Solid hands‐on experience with BIND (open‐source DNS)
n
Deep understanding of:
n
n
DNS protocol internals
n
Authoritative vs Recursive DNS
n
TTL, caching behavior, and query resolution flow
n
n
Strong Linux/Unix system administration experience
n
Strong networking fundamentals:
n
n
TCP/IP, UDP
n
Latency and routing behavior
n
n
Nice to Have Skills:
n
n
Experience with Anycast DNS deployments
n
Exposure to other DNS software: Unbound, PowerDNS, Knot DNS
n
Automation and scripting (Shell, Python, Ansible)
n
Monitoring tools:n
n
Prometheus, Grafana, Nagios, Zabbix
n
n
ITIL processes (Incident, Problem, Change Management experience)
n
n
Minimum Years of Experience:




n
5+
n
Certifications Needed:
n
No
n
Top 3 responsibilities you would expect the Subcon to shoulder and execute
n
n
Act as L3 escalation point for complex DNS incidents impacting production services
n
Diagnose and resolve critical DNS outages, performance degradation, and security issues
n
Provide expert support for authoritative and recursive DNS infrastructures
n
Work closely with L1/L2 teams, NOC, and Core Network teams to restore services quickly
n
Deep troubleshooting of BIND
n
Perform DNS protocol‐level analysis
n
Lead root cause analysis (RCA) for major incidents
n
#J-*****-Ljbffr

📌 Support Engineer Dns (New South Wales)
🏢 Xpt Software Australia
📍 New South Wales