Senior Technical Specialist, Access Transport Design
Date: 28 Nov 2025
Location: Sydney, Australia
Company: Singtel Group
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 Senior Technical Specialist, where you’ll lead the architecture, design, and delivery of cutting-edge Access Transport solutions. This role is pivotal in shaping the Optus network, ensuring robust, secure, and scalable IP and Carrier Ethernet platforms that support our Fixed, Enterprise, and Mobile services. You’ll work on high-level architecture, hands-on configuration, and collaborate with cross-functional teams and vendors to deliver strategic initiatives.
Your day to day will consist of
- Designing and integrating IP and Carrier Ethernet solutions into the Optus Access Transport network.
- Producing high-level architecture and detailed design documentation aligned with business requirements.
- Performing lab testing, configuration, and implementation of network platforms.
- Acting as technical prime for projects, managing scoping, impact analysis, and deployment.
- Providing Tier 3 support for troubleshooting and problem resolution.
- Collaborating with internal teams and vendors to ensure successful delivery of network initiatives.
What makes you perfect for the role?
- Advanced expertise in IP network design, routing, switching, and Carrier Ethernet architecture.
- Hands-on experience with Cisco, Nokia, Juniper platforms and service integration.
- Proficiency in network automation tools and scripting (Python, NSO, Ansible).
- Strong ability to produce high-quality architecture and design documentation.
- Deep understanding of lifecycle management and cyber compliance for network platforms.
- Skilled in Tier 3 support, incident resolution, and root cause analysis.
- Excellent stakeholder engagement and ability to communicate complex technical concepts clearly.
- Proven ability to mentor junior engineers and deliver technical training.
- Awareness of emerging technologies and ability to provide strategic technical recommendations
The good stuff….
- 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
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