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
DNS protocol internals
n
Authoritative vs Recursive DNS
n
TTL, caching behavior, and query resolution flow
n
Strong
Linux/Unix system administration
experience
n
Strong networking fundamentals:
n
TCP/IP, UDP
n
Latency and routing behavior
n
n
Nice to Have Skills:
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
Minimum Years of Experience:



5+
n
Certifications Needed: No
n
Top 3 responsibilities you would expect the Subcon to shoulder and execute
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
n
n

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