IP Solution Architect
Date: 20 Nov 2025
Location: Macquarie Park, Australia
Company: Singtel Group
Please note: This role can be based in either our Sydney or Melbourne offices, and we encourage talent from both locations to apply.
Optus is an Australian telecommunications company, delivering more than 11 million services to our customers every day across mobile, broadband and digital solutions.
The IP Solution Architect is a senior technical leader responsible for designing and delivering IP network solutions for Optus' Telco IP infrastructure. This role involves defining solution architectures, creating design guidelines, and overseeing implementation across mobile, voice, and cloud environments. Acting as a subject matter expert, the position requires advanced knowledge of routing, switching, and automation tools, as well as the ability to lead complex projects, mentor engineers, and collaborate with internal teams and vendors to ensure successful delivery.
Your day to day will consist of
* Develop and review IP network solution designs, ensuring alignment with architecture standards and business requirements.
* Provide technical leadership and act as SME for routing and switching within the Telco IP network.
* Define technology roadmaps and design guidelines for IP platforms and services.
* Collaborate with internal teams and vendors to clarify requirements and resolve design issues.
* Configure and leverage automation tools (e.g., Ansible, NSO) for network implementation.
* Support onboarding of new network devices and provide guidance during critical operational issues.
What makes you perfect for the role?
* Degree in Telecommunications Engineering or related discipline.
* Minimum 5 years in IP network design and at least 3 years in solution architecture within Telco/ISP environments.
* Strong expertise in IP protocols (BGP, OSPF, ISIS, MPLS, SRv6, VXLAN/EVPN) and data centre technologies (VXLAN, Cisco ACI).
* 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 and security segmentation strategies.
* Skilled in technical documentation and stakeholder communication, including senior management.
* Desirable: Vendor certifications (Cisco, Juniper, Nokia), Python scripting, and knowledge of mobile platform interoperability
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 or call 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