Capability & Security Architect
Date: 24 Nov 2025
Location: Macquarie Park, 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.
As a Capability & Security Architect, you will play a pivotal role in crafting our capabilities within the NetSol/Security and Fixed portfolio.
Your day to day will consist of
* Providing architectural leadership in the development of new security products and capabilities.
* Ensuring alignment in building, deployment, and management of security and network services.
* Collaborating closely with Product Managers and constructors to successfully implement and meet business requirements.
What makes you perfect for the role?
* Minimum 10+ years of relevant technical experience in Security, with significant expertise in Network Security, SASE/SSE, and Cloud Security.
* Proven track record in consultative and creative solution selling, particularly in developing customer-focused security solutions.
* Strong background in telecommunications, information technology, and implementation/migration issues across various industries.
* Outstanding experience in developing standardised products
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 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