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 meaningful and supports Australia’s national security. At ASC, you will find purposeful roles, opportunities to grow your career, and the flexibility to balance life and work. A career at ASC offers a deeper purpose you can be proud of.

About the Opportunity

We are seeking two Assistant Security Advisors to support day‑to‑day security operations at our WA sites. This role will be the first point of contact for security administration, providing practical support to ensure compliance with Commonwealth and ASC security requirements.

This role is well suited to someone with strong attention to detail, sound judgement, and an interest in working within a defence or security‑focused environment.

Responsibilities

• Manage day‑to‑day security support requests and provide clear, accurate advice.
• Maintain and update security records, registers, and access control systems.
• Assist with event planning and the development of site security plans.
• Prepare and deliver security briefs to staff, including threat and risk updates.
• Complete and maintain Security Risk Assessments in line with policy requirements.
• Support classified matter movement plans and document handling.
• Conduct basic investigations and prepare incident and security reports.

About you

• Minimum two years’ experience in a security, defence‑adjacent role.
• Strong attention to detail with high data entry and record‑keeping accuracy.
• Clear communication skills and the ability to manage priorities in a busy environment.
• Ability to work collaboratively while managing tasks independently.
• Demonstrates strong focus in a role with highly repeatable activities.
• Knowledge and understanding of the Defence Security Principles Framework (DSPF) and Protective Security Policy Framework (PSPF) is highly regarded.

Eligibility

This role requires a current National Police Clearance and an Australian Defence Security Clearance. Your eligibility for this role is dependent on you obtaining and maintaining such clearance.

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.

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 improved work/life balance.
• Up to 10 days additional leave each 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 to support your performance at work.
• Professional development opportunities to grow your career.
• A diverse and supportive environment where you can thrive.
• Discounts and exclusive offers from leading Australian brands.
• Relocation support for you and your family, interstate or overseas.

About ASC

ASC’s 3000 plus workforce brings unparalleled experience across submarine design, construction, sustainment, engineering, and security operations. Established in 1985, ASC operates from Osborne in South Australia and Henderson in Western Australia, delivering the Collins Class Life of Type Extension and supporting Australia’s future conventionally armed, nuclear‑powered submarines. ASC also plays a key role in training Royal Australian Navy submariners.

Apply today for a career with a deeper purpose.

Shortlisting will commence after 18th May 2026, and only candidates who meet the above criteria will be contacted.

To ensure a smooth and secure application process, please upload your resume in PDF format supported by Windows 11.