ASC is Australia’s submarine company. We built the Royal Australian Navy’s Collins Class submarines, sustain them, and are now delivering their Life of Type Extension to increase the boats’ service lives. We have also been selected by the Australian Government to sustain and jointly build the nation’s conventionally armed, nuclear-powered submarines – the largest and most complex industrial undertaking in Australia’s history.

Our work is interesting and meaningful, contributing directly to Australia’s national security. We offer rewarding roles that provide the opportunity to grow your career, and the flexibility to balance life and work. A career at ASC is like no other, delivering a deeper purpose we can all be proud of.

About the Opportunity

We’re looking for a tech-savvy problem solver who loves Linux and thrives in a fast-paced, high-stakes environment. As our Senior Linux Administrator, you’ll be the go-to expert for all things Linux, keeping our systems secure, stable, and humming along smoothly. You’ll play a key role in shaping our infrastructure strategy and strengthening our cybersecurity posture. We anticipate commencement of this role in early 2026.

Responsibilities

• Manage and maintain ASC’s enterprise Linux environment.
• Design and implement secure, scalable server solutions.
• Monitor performance and resolve incidents quickly and effectively.
• Lead logging and alerting improvements to boost visibility and response.
• Ensure compliance with security standards and governance frameworks.
• Collaborate with IT and transformation teams to support service delivery.
• Drive continuous improvement and innovation across Linux operations.

About you

You’re a confident Linux expert with a curious mind and a can-do attitude. You love solving complex problems and making systems better. You’re a great communicator, a team player, and someone who thrives on change.

You’ll bring:

• 7-10 years’ experience managing Linux systems in enterprise environments.
• Strong understanding of infrastructure security and incident response.
• Experience mentoring others and sharing knowledge.
• Excellent organisational and communication skills.
• A proactive mindset with a passion for continuous improvement.
• Experience with compliance frameworks like PSPF, ISO 20001 or NIST.
• Bonus: cloud experience and Windows Server knowledge.

Eligibility

This role requires a current National Police Clearance and an Australian Defence Security Clearance (NV2). Whilst ASC will accept all applications for this role, as this role requires an ability to access protected US defence technology, applicants holding nationality of certain foreign countries will not be eligible.

Your eligibility for this role is dependent on you obtaining and maintaining such clearance.

To check your eligibility please visit the Australian Government Security Vetting Agency website.

Benefits

• Unique and challenging work with a deeper purpose.
• Flexibility over how, when and where you work for the best work/life balance.
• Up to 10 days additional leave every year so you can rest and recharge.
• Generous parental leave so you can give your family the focus it deserves.
• Subsidised childcare to ease the financial pressure on your family.
• Health and wellbeing initiatives so you can perform at your best at work.
• Professional development opportunities to advance your career.
• A diverse and supportive environment where you can thrive.
• Discounts and exclusive offers from leading Australian brands to help you save.

About ASC

ASC’s 2,400-plus staff offer a depth of submarine design, project management, supply chain, construction and engineering experience and expertise that is unparalleled in Australia’s defence industry. Established in 1985, the company’s work on Australia’s conventionally armed, nuclear-powered submarine build and the Collins Class Life of Type Extension takes place in Osborne, South Australia, with sustainment shared across Osborne and Henderson, Western Australia. ASC also plays a leading role in training Royal Australian Navy submariners.

Apply today for a career with a deeper purpose. Applicants must meet the above requirements to be considered for shortlisting and further contact. Early applications are encouraged as shortlisting may commence immediately. To ensure a smooth and secure application process, please upload your resume in PDF format supported by Windows 11. This helps us review your application efficiently and ensures compatibility with our recruitment systems.

Please note: Candidates may be considered not only for the current vacancy but also for potential upcoming opportunities at ASC. We encourage all interested applicants to apply, as we are building a talent pool for future roles