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’re seeking a detail‑oriented Certification Technical Officer (CTO) to support submarine safety and certification activities at ASC North. In this key role, you’ll help maintain the integrity of the SUBSAFE boundary, contribute to platform readiness after maintenance periods, and support safe submarine operations across dockings and maintenance availabilities. Reporting to the Certification Technical Officer Manager – SA, you’ll work closely with personnel across the Submarine Enterprise, performing critical witnessing, safety coordination, test execution, and documentation activities that ensure Australia’s submarines return to service safely and effectively.

Responsibilities

• Conduct SUBSAFE witnessing activities and sign associated quality‑control documentation.
• Operate the Submarine Safety Control Centre (SSCC) to coordinate safe work on vessels.
• Perform duties as Platform Safety Coordinator (PSC) and/or Permit Authority.
• Plan and conduct tests and trials, including installation inspections, harbour and sea acceptance and verification trials.
• Review, maintain, and update technical and test documentation as required.
• Act as Material State Officer to support vessel readiness during MATCON periods.
• Assist with servicing and certification of Submarine Safety and Certification Group (SCG) support equipment.
• Support SUBSAFE coordination during designated maintenance periods.
• Liaise with internal ASC personnel and customers to manage documentation, coordinate tests, and maintain submarine safety standards.

About you 

• Trade‑qualified with at least 5 years’ experience in a maritime, naval, or dockyard environment.
• Strong engineering knowledge of ship or submarine systems and equipment.
• Minimum 5 years’ experience with Collins Class submarines.
• Understanding of defence industry practices and submarine operations, especially in system, equipment, and personnel safety.
• Skilled in interpreting technical requirements and navigating safety‑critical work environments.
• Strong communication skills and confidence engaging with stakeholders at all levels.
• Proficient in Microsoft Office and capable of maintaining accurate technical records.
• Demonstrated strengths in teamwork, initiative, time management, decision‑making, and customer service.

Eligibility

This role requires a current National Police Clearance, an Australian Defence Security Clearance and an ability to access protected US defence technology. Your eligibility for this role is dependent on you obtaining and maintaining such clearances and approvals.

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 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

Established in 1985, 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. The company’s work on Australia’s 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.

Early applications are encouraged as shortlisting may commence immediately.