XPT Software Australia Pty Ltd

Support Engineer L3

Posted Yesterday

Be an Early Applicant

Sydney, New South Wales, AUS

In-Office

Senior level

Information Technology • Software • Consulting

The Role

Provides Level 3 DNS operations and support, troubleshooting BIND-based authoritative and recursive DNS environments. Manages DNS protocol behavior, caching, TTLs, query resolution, Linux/Unix systems, TCP/IP, UDP, latency, and routing. May support Anycast DNS, automation with Shell, Python, or Ansible, monitoring platforms, and ITIL incident, problem, and change management processes.

Summary Generated by Built In

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

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)

Requirements

Skills Required

5+ years of DNS operations or support experience
2–3 years of Level 3 DNS support experience
Hands-on experience with BIND open-source DNS
Understanding of DNS protocol internals
Understanding of authoritative and recursive DNS
Understanding of TTL, caching behavior, and query resolution flow
Strong Linux or Unix system administration experience
Strong TCP/IP and UDP networking fundamentals
Understanding of latency and routing behavior
Experience with Anycast DNS deployments
Exposure to Unbound, PowerDNS, or Knot DNS
Automation or scripting with Shell, Python, or Ansible
Experience with Prometheus, Grafana, Nagios, or Zabbix
ITIL incident, problem, and change management experience

View all jobs at XPT Software Australia Pty Ltd

View XPT Software Australia Pty Ltd Profile

Report Job

Am I A Good Fit?

beta

Get Personalized Job Insights.

Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company

120 Employees

Year Founded: 2016

What We Do

XPT Software Australia Pty Ltd is a technology consulting and software services company serving clients across banking, financial services and insurance, telecommunications, mining, retail, energy, and manufacturing. It provides software development, IT management consulting, business analysis, project and program management, infrastructure support, and offshore development through onsite-offshore delivery. The company also works with cloud computing, big data, mobile applications, UI/UX, algorithms, and IoT.