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Senior network engineer - design

Sydney
Singtel
Network Engineer
Posted: 11 February
Offer description

Overview

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

As a Senior Network Engineer, you are responsible for developing and implementing network plans to support long-term growth across Fixed, Enterprise, and Mobile services. This role focuses on designing efficient solutions, managing network capacity, and leading capital planning for key programs.

What You'll Do
* Develop and lead fibre network planning strategies to enable scalable national infrastructure growth across Consumer, Enterprise and Mobile services.
* Design and coordinate fibre network solutions, supporting effective planning considerations and efficient build sequencing.
* Manage capacity planning and commercial assessments to inform timely network upgrades and investment decisions.
* Partner with engineering teams and key stakeholders to deliver resilient network outcomes, providing technical input, project oversight and external representation where required.
What You Bring
* Expertise in fibre network design, including architecture, route planning, cable sizing, pit/splice placement, and technology selection.
* Capacity planning and GIS proficiency, with experience using geospatial tools and automation suites (e.g., SpatialNet, FME) to ensure service resiliency and meet KPIs.
* Strong analytical and capable of conducting cost-benefit analyses and design conflicts in a scalable, cost-effective manner.
* Excellent stakeholder collaboration and communication, engaging internal teams and external partners while producing clear technical documentation.
* Industry knowledge and leadership, with awareness of regulatory frameworks and experience mentoring contractors to maintain quality standards.
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.
* Free Optus bus from Macquarie University Metro Station (every 6-8 minutes); morning and afternoon.

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.

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

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