Job Description

Must Have Skills:

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5+ years of experience in DNS operations/support, with at least 2–3 years at L3 level

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Solid hands‐on experience with BIND (open‐source DNS)

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Deep understanding of:

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- DNS protocol internals
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- Authoritative vs Recursive DNS
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- TTL, caching behavior, and query resolution flow
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Strong Linux/Unix system administration experience

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Strong networking fundamentals:

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- TCP/IP, UDP
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- Latency and routing behavior
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Nice to Have Skills:

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- Experience with Anycast DNS deployments
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- Exposure to other DNS software: Unbound, PowerDNS, Knot DNS
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- Automation and scripting (Shell, Python, Ansible)
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- Monitoring tools:n n
- Prometheus, Grafana, Nagios, Zabbix
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- ITIL processes (Incident, Problem, Change Management experience)
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Minimum Years of Experience:

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5+

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Certifications Needed:

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No

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Top 3 responsibilities you would expect the Subcon to shoulder and execute

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- Act as L3 escalation point for complex DNS incidents impacting production services
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- Diagnose and resolve critical DNS outages, performance degradation, and security issues
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- Provide expert support for authoritative and recursive DNS infrastructures
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- Work closely with L1/L2 teams, NOC, and Core Network teams to restore services quickly
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- Deep troubleshooting of BIND
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- Perform DNS protocol‐level analysis
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- Lead root cause analysis (RCA) for major incidents
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📌 Support Engineer DNS (New South Wales)
🏢 Xpt Software Australia
📍 New South Wales