Principal Technical Specialist - Internet Network Infrastructure / Internet Interconnect

• Business Unit: Network Engineering

• Reporting to: Associate Director, Peering and Transit

• Location:  OCS

• Talent Acquisition Partner:  Steve Pokrajac 

• Application Closing Date: Monday 12th January 2026 11:59pm
  
  
  

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 (Internet Network Infrastructure / Internet Interconnect) where you’ll design, implement, and optimize IP network solutions and Internet interconnect systems that power our mobile, voice, and cloud platforms. This strategic role blends technical leadership with hands-on delivery, ensuring seamless connectivity, automation, and compliance across complex Telco environments.

We’re looking for candidates with experience in both or either discipline to fill multiple roles, so if you have expertise in IP networking, interconnect, or both, we want to hear from you!

Your day to day will consist of

• Design and implement IP connectivity and interconnect solutions for Internet Network platforms.
• Develop detailed low-level designs, documentation, and configuration for deployment.
• Configure and maintain automation tools (e.g., Ansible, NSO) for network implementation.
• Collaborate with internal teams and vendors to resolve design and integration issues.
• Support onboarding of new network devices and interconnect elements into production.
• Provide technical guidance during critical operational issues and solution reviews
  
  

What makes you perfect for the role?

• Degree in Telecommunications Engineering or related discipline.
• 5+ years in IP network design and/or interconnect solutions for large-scale Telco/ISP environments.
• Strong knowledge of IP protocols (BGP, OSPF, ISIS, MPLS, VXLAN/EVPN) and interconnect standards.
• Hands-on experience with Cisco, Juniper, or Nokia devices in production environments.
• Proficiency in automation tools such as Ansible and NSO for network configuration.
• Understanding of hybrid cloud networking, security segmentation, and MPLS VPN routing.
• Excellent documentation and stakeholder communication skills, including senior management.
• Desirable: Vendor certifications (Cisco, Juniper, Nokia), Python scripting, SRv6 knowledge
  
  

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