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)
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
L3 Support Engineer DNS employer: XPT Software Australia Pty Ltd
XPT Software Australia Pty Ltd is an exceptional employer, offering a dynamic work environment in the heart of Sydney, where innovation meets collaboration. With a strong focus on employee growth and development, we provide ample opportunities for career advancement through mentorship and leadership roles, particularly in the fast-evolving field of infrastructure services. Our commitment to service excellence and operational governance ensures that our team members are empowered to lead transformative projects while enjoying a supportive culture that values diversity and teamwork.
Contact Details:
XPT Software Australia Pty Ltd Recruitment Team
