Principal Technical Specialist - DNS

Optus is an Australian telecommunications company, delivering more than 11 million services to our customers every day across mobile, broadband and digital solutions.

Join Optus as a Principal Technical Specialist – DNS, where you’ll lead the design, engineering, and lifecycle management of DNS systems that power Optus’ Internet core for mobile, consumer, and business customers. This senior role combines technical leadership with hands-on delivery, ensuring resiliency, security, and compliance across complex Telco environments. If you have deep expertise in DNS (F5, BIND) and a passion for innovation, we want you on our team.

Your day to day will consist of

• Design and implement DNS systems for Optus’ Internet core network.
• Develop detailed design documentation, testing plans, and implementation guides.
• Configure and optimize DNS platforms (F5, BIND) for resiliency and performance.
• Collaborate with internal teams and vendors to resolve design and integration issues.
• Provide technical leadership, mentoring junior engineers, and acting as SME for DNS.
• Ensure compliance with security standards and manage lifecycle upgrades
  
  
  

What makes you perfect for the role?

• Degree in Telecommunications Engineering, Computer Science, or related discipline.
• Minimum 7 years’ experience in DNS engineering within Telco or major service provider.
• Hands-on expertise with DNS systems including F5 and BIND configuration and operation.
• Strong knowledge of Internet network design and DNS architecture principles.
• Experience with network test tools, documentation, and technical training delivery.
• Ability to liaise with senior stakeholders and manage vendor relationships effectively.
• Desirable: Experience with SDN controllers, automation tools (Ansible), and Python scripting.
• Excellent problem-solving skills and ability to work independently under limited supervision
  
  
  

The good stuff…. | What’s in it for you?

• Competitive remuneration and employee discounts. Make life easier (and more affordable) with $80 monthly credit and 25% off Optus products and unique shopping discounts with our retail partners.
• Flexible working arrangements with opportunities to work three days in the office, two days remote or home.
• Vibrant and collaborative office campus that includes cafes, convenience store, chill out zones, GP, post office, gym and on-site childcare centre.
• Competitive leave policies, including additional 'Connected’ days to focus on culture, family, health, community, or whatever’s important to you.
• We support growing families with inclusive, carer-neutral paid Parental Leave of up to 16 weeks.
• Direct your own development and build future-ready skills with Optus U’s industry-focused micro-credentials, developed with La Trobe and Macquarie Universities.
• Build meaningful connections through employee-led networks and diversity initiatives including Culture Connect, Elevate Women, Disability Network and Express Yourself (LGBTQIA+).
• Put your wellbeing first with free access to counselling and support services, 24/7 — in-person, by phone, SMS, or video.
  
  

At Optus, we are strengthened by others and that means valuing diversity and saying ‘yes’ to embracing individual differences. We are committed to ensuring that our application process provides an equal employment opportunity to all job seekers, including individuals from diverse gender, cultural and linguistic backgrounds, individuals with a disability, individuals identifying as being part of the LGBTQIA+ community, individuals who may have served in the armed forces or who identify as Aboriginal and/or Torres Strait Islander. We also want to do our best to make our recruitment process inclusive. If you require any adjustments or accessibility support to participate fairly and equitably in the recruitment process, please email AccessibleRecruitment@optus.com.au or call 1800 309 170. We're here to help. When you contact us, please advise your preferred method of contact and we will be in touch within 48 hours.

For more information on Diversity, Inclusion & Belonging at Optus, please visit https://www.optus.com.au/about/inclusion-diversity