Date: 17 Jul 2026
Location: Macquarie Park, Australia
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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.
As the General Manager of Core Mobile Engineering, you will lead our mobile and fixed Core network domain, guiding strategy, development, and technical leadership. This will play a key role on focusing on cloud-native platforms and new enterprise and services to keep our network resilient.
What You’ll Do
Lead the development of the Core Networks domain strategy and multi‑year roadmap, supporting the transition from legacy platforms to cloud‑native architecture.
Contribute to Core platform design by defining engineering standards, reference architectures, and configuration practices, and supporting broader network architecture decisions.
Support Core modernisation efforts and technical debt reduction, promoting scalable, secure, and automation‑enabled solutions aligned to long‑term objectives.
Coordinate platform changes and releases, working closely with Network Operations to ensure readiness and delivery
What makes you perfect for the role?
Strong knowledge in mobile and fixed Core Networks, covering EPC, 5G Core, IMS, policy, and subscriber data platforms.
Strong understanding of cloud-native and virtualized network architectures (e.g., containers, Kubernetes, NFV).
Experience leading large-scale Core modernization and platform lifecycle programs.
Proven senior leadership experience in large, complex network engineering environments.
Ability to operate as a build authority while partnering effectively with Operations.
Strong change leadership capability across technology, operating model, and ways of working.
Strong commercial competence with experience supporting investment cases and cost optimization.
Ability to engage credibly with executive collaborators, regulators, and external partners.
The good stuff….
Competitive remuneration and colleague discounts. Make life easier (and more affordable) with $80 monthly credit and 25% off Optus products and outstanding 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.
Build meaningful connections through colleague-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. Join us for an outstanding career opportunity!
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
[email protected] or call 1800 309 170.
For more information on Diversity, Inclusion & Belonging at Optus, please visit https://www.optus.com.au/about/inclusion-diversity
