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 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 are seeking Mechanical Engineers across multiple seniority levels to support the maintenance and sustainment of Auxiliary Systems on the Collins Class submarines. Based in Osborne, SA, you will work on complex mechanical systems including hydraulics, pneumatics and structural components, with exposure to equipment such as valves, pipework, pressure vessels, pumps, heat exchangers and actuators.

Reporting to an Engineering Team Lead, you will contribute to sustaining critical defence capability by applying your technical expertise across maintenance, troubleshooting and design‑related activities. This is a full‑time, permanent opportunity within a highly skilled and collaborative engineering environment.

Responsibilities

• Interpret design baselines to develop engineering instructions supporting maintenance activities.
• Collaborate with Operations teams to troubleshoot and resolve technical issues.
• Prepare engineering documentation including specifications, sketches, reports and test procedures.
• Conduct risk assessments to evaluate safety and operational impacts of engineering solutions.
• Perform root cause analysis to identify and resolve system issues.
• Review and manage component obsolescence through interpretation of applicable standards.
• Update and maintain engineering and maintenance instructions.
• Provide technical input across the mechanical design and maintenance lifecycle.
• Perform engineering calculations to assess and validate technical solutions.

About you 

• Degree in Mechanical, Mechatronics, Aerospace Engineering or a related discipline.
• Diploma‑qualified candidates with relevant experience will be considered for Technical Officer roles.
• Experience working with mechanical systems and equipment in a maintenance or engineering environment.
• Strong analytical and problem‑solving capability with sound technical knowledge.
• Effective written and verbal communication skills.
• Able to work independently and collaboratively within a multidisciplinary team.
• Experience with hydraulics, pneumatics or structural/mechanical equipment 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.

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

Benefits

• Unique and challenging work with a deeper purpose.
• Secure and long-term career opportunities that provide a deeper purpose.
• Flexibility over how, when and where you work for the best work- life balance.
• 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.
• Volunteer leave, so you can contribute back to the community.
• Paid reservist leave to support our nation’s defence capabilities.
• 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 has served as Australia’s submarine builder and sustainer for over 35 years. ASC built the Collins Class submarines and now sustains the fleet in Osborne, South Australia and in Henderson, Western Australia. Supported by its predominantly Australian supply chain and a highly skilled workforce, we deliver submarine capability and availability to the Royal Australian Navy.

Apply today for a career with a deeper purpose.

Early applications are encouraged as shortlisting may commence immediately.