At Symbio, we're enabling better conversations through smarter communications technology.
We're looking for an Assurance Specialist who thrives on solving problems, delivering exceptional customer experiences and working collaboratively to resolve technical issues across voice, data, mobile and NBN services.
This role operates within a rostered support environment, with shifts scheduled between 8:00am and 6:00pm, Monday to Friday, and participation in a rotating weekend roster approximately once per month.
If you're passionate about telecommunications, enjoy troubleshooting complex issues and take pride in seeing problems through to resolution, we'd love to hear from you.
Excited to grow your career? We value our talented employees, and whenever possible strive to help one of our team to grow professionally. Our people make all the difference in our success. Let's talk about you!
What you'll do
Provide timely support for service assurance enquiries and escalations via phone and ticketing systems, delivering exceptional customer experiences and effective resolution outcomes.
Investigate, troubleshoot and manage faults across NBN, Ethernet, SIP Trunks, SIP Endpoints and Mobile services.
Collaborate with internal teams and third-party vendors to efficiently diagnose issues, restore services and minimise customer impact.
Keep customers and stakeholders informed through clear, proactive and professional communication throughout the fault lifecycle.
Help customers get the most from our products and services by providing guidance and support across hardware, connectivity and service-related enquiries.
Contribute to continuous improvement initiatives by identifying trends, sharing knowledge and enhancing support processes and documentation.
Support business initiatives and ad hoc projects, taking ownership of tasks and driving successful outcomes.
You'll ideally have
Solid understanding of SIP signalling and VoIP technologies.




Diploma in IT (or equivalent experience)
Experience with Hosted PBX call flow design and/or SIP trunking is a strong advantage.
Previous experience supporting NBN, Mobile, Voice or Data services in a wholesale or retail telecommunications environment.
Comfortable juggling multiple priorities and adapting to different products, technologies and ways of working.
Excellent documentation skills, with a passion for capturing and sharing knowledge to help others succeed.
A proactive mindset with the ability to take ownership and deliver outcomes across project and business initiatives.
We create our own destiny, we move at a rapid pace, we do things our own way. We are disrupting the way the world is communicating.
Symbio is part of the Aussie Broadband Group - a fast-growing telecommunications services provider.
Listed on the Australian Stock Exchange (ASX: ABB), the Group collectively supplies more than 1 million services, operates two Tier 1 voice providers in Australia and owns fibre infrastructure.
Balancing purpose and profits
Our focus extends beyond our commitment to financial growth and into the futures of the individuals that make up our teams, our local communities and our environment.
Empowered people and communities
Symbio, our parent company Aussie Broadband and our communities have the skills, knowledge, and ability to benefit from and grow our business. We value diversity, workplace safety, community contribution, and professional development.
Resilient operations and supply chains
We embed sustainability and a considered response to climate change in the ways we work with our people, customers, and supply chains.
Secure and transparent systems
Symbio and parent company Aussie Broadband have several mechanisms governing our ESG approach, including the People & Community Committee of our Board, a structured ESG framework and materiality assessment conducted every 2 years, and mandatory compliance and modern slavery awareness training for staff.
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📌 Assurance Specialist - Wholesale (Sydney)
🏢 Aussie Broadband
📍 Sydney