Melbourne, Australia
Onsite
Build your career and Australia’s future.
Not many people can say they are working on building Australia’s future. With us you’ll be doing just that, leaving a legacy for all Australians. Plus, there’s equal employment, great training, and true flexible working arrangements.
A fantastic opportunity has presented itself for a Linux System Admin & Security Operations This role reports to the Executive Manager, EMS and Security Operations and plays a vital part in caring for the platforms that underpin Australia’s critical network services.
A bit about your role
As a Linux Systems Admin & Security Operations, you will be a trusted subject matter expert for nbn’s Element Management Systems, providing deep technical leadership across assurance, availability, and security of the active network. You will work at the highest level of operational escalation, partnering closely with our Network Operations teams, designers, architects, vendors and security specialists to resolve complex incidents, strengthen resilience, and safeguard customer outcomes.
In this role, your contribution will directly support network uptime, regulatory commitments, and customer confidence. You will lead maintenance, patching, upgrades and secure configuration of business-critical EMS platforms, while guiding the operational readiness of new technologies as they move into production. Through thoughtful collaboration and calm expertise, you will mentor others, translate operational needs into design outcomes, and ensure security controls align with both nbn standards and Essential Eight principles. Your work will help create a stable, secure and future-ready network that Australians can rely on every day.
A bit about you
You are an experienced technical specialist who brings clarity, care and confidence to complex environments. With substantial hands-on experience across telecommunications or large-scale IT operations, you are comfortable working deeply with Element Management Systems, server platforms and virtualised environments, and you genuinely enjoy solving intricate problems alongside others.
You lead with empathy and collaboration, balancing strong technical judgement with an inclusive, supportive approach. You are generous with your knowledge, calm under pressure, and motivated by purpose, knowing that your work has a real impact on customers and communities. You value security, resilience and continuous improvement, and you approach change with curiosity and discipline. If you enjoy partnering across diverse teams, mentoring others, and contributing to something bigger than yourself, this role at nbn will feel like home.
Life at nbn
To be part of nbn is to be part of something bigger. There’s so much more from here. Our pioneering spirit drives us forward every day. Together, we help lift the digital capability of the nation by building and connecting Australia’s best fibre infrastructure into homes and businesses, plus places and things, everywhere. We’re continuing to create Australia’s network—a network made for more. Not just a way for everyone to do the things they love but transforming the way they do them.
A more inclusive working world
nbn is committed to an inclusive, flexible, and supportive workplace where everyone can feel heard, valued, and respected. We believe diverse perspectives are the key to unlocking greater outcomes and encourage applications from people of all ages, nationalities, abilities, and cultures. That's why we have a Reconciliation Action Plan, Accessibility & Inclusion Plan, offer 18 weeks of paid parental leave, are a Pride in Diversity Platinum Employer, and have active employee-led diversity pillars. Click here to see our list of employee benefits and why we're recognised as a WORK180 Endorsed Employer for Women.
Equal Opportunities for All
We champion equal opportunities for all employees. If you have any accessibility requirements and would like to discuss adjustments for the recruitment process, please don’t hesitate to contact us by emailing recruitment@nbnco.com.au or calling our Recruitment Accessibility Enquiry Line at +61 2 8918 9990. Please note, this line is dedicated to accessibility-related enquiries for the purposes of recruitment, and only enquiries related to accessibility adjustments will be answered. For other matters, please visit our Contact Us page on our website.
Where to from here?
If you think this role might be for you, we want to hear from you. Please apply by following the links and sending in your resume only. We do not require a cover letter or any selection criteria to be addressed.
Please note that this is a permanent opportunity and applications for this role will close at midnight Wednesday, 1st July 2026.
To be eligible for this role, you must have full working rights in Australia.