Date: 28 Aug 2026
Location: Macquarie Park, Australia
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Company: Singtel Group
Every day, millions of Australians connect, work, stream, and stay in touch on the Optus network. When it works seamlessly, it's easy to take for granted. But behind it is a team making thousands of decisions every day - decisions that keep people, businesses and communities connected.
Right now, Optus is passionate about getting the fundamentals right - simplifying how we work, lifting standards, and building a more reliable, resilient experience for our customers. It's not about surface-level change. It's about how we make decisions, how we work together, and how we deliver.
The Operational Architect provides expert technical guidance and develops innovative ICT solutions across Networks, Data Centre, Cloud, and Security, ensuring architectural integrity while supporting customer accounts and business requirements. They are responsible for creating and reviewing technical designs, bills of materials, proposals, costings, and risk assessments, while coordinating design inputs and supporting solutions throughout their lifecycle, including operational changes and major project change requests.
Your day to day will consist of
Maintain architectural integrity across customer environments by providing expert technical advice, governance, and design authority for converged network solutions.
Deliver strategic technical leadership and act as a trusted advisor, ensuring customer needs are understood and translated into effective business and technology outcomes.
Design and oversee complex ICT solutions spanning networking, voice, video, cloud, security, and managed services, including cost, risk, and infrastructure assessments.
Lead end-to-end solution development and delivery, taking accountability for solution quality, implementation support, and successful operational outcomes.
Partner proactively with Sales and customers to identify new opportunities, develop value-driven solutions, and deliver executive-level technical presentations.
Provide Level 3 technical support and architectural guidance for operational issues, troubleshooting, and continuous service improvement.
Foster strong internal partnerships, drive continuous learning and technology expertise, and contribute to financial performance through revenue growth, profitability, and margin improvement.
What makes you perfect for the role
7+ years of senior ICT experience, including 3+ years in pre-sales or Embedded/Operational Architect roles supporting enterprise customers.
Proven expertise in developing technical designs, bills of materials, proposals, and change requests while maintaining architectural integrity across complex ICT environments.
Strong experience in managed services, corporate networks, operational support, troubleshooting, and architectural leadership.
Deep technical knowledge across networking, data centres, cloud platforms (AWS/Azure), security, monitoring tools, and telecommunications/IP services.
Excellent project coordination, analytical, communication, presentation, stakeholder management, and negotiation skills.
Self-motivated leader with the ability to mentor others, drive continuous improvement, work autonomously, and deliver outcomes under pressure.
Tertiary qualifications in IT or Engineering, with relevant industry certifications (e.g., Cisco, Juniper, ITIL) highly regarded.
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.
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
[email protected] or call 18•• ••• 170. We're here to help.
For more information on Diversity, Inclusion & Belonging at Optus, please visit https://www.optus.com.au/about/inclusion-diversity
