IAG Defence & National Security (DNS) is part of IAG, a specialist advisory firm supporting complex infrastructure, Defence and national security programs across Australia.
Our DNS team works closely with Commonwealth agencies and industry partners to deliver specialist expertise into nationally significant programs. Our success depends on our ability to identify, engage and mobilise highly specialised talent quickly and effectively. IAG is recognised as Veteran Friendly Employer under the Veteran Employment Program.
The Fleet Engineer supports the Chief Marine Engineer and Fleet and Marine Engineering Section in delivering engineering governance, certification assurance, and technical oversight across the ABF maritime fleet. The role contributes to the management of vessel certification, engineering records, and fleet technical data systems to ensure statutory and safety-critical documentation remains current, accurate and accessible. The position supports the maintenance of fleet certification dashboards, engineering registers and technical documentation systems that underpin safe and compliant vessel operations. The Fleet Engineer also assists with the review of engineering documentation including repair plans, defect reports, and technical investigations to ensure alignment with regulatory requirements and ABF engineering governance arrangements. In undertaking these duties, the role works closely with seagoing engineers, in-service support providers, shipyards, and sustainment teams to support safe and effective fleet maintenance and sustainment activities. The role contributes to engineering data analysis and defect trend monitoring to support preventative maintenance planning, risk management, and engineering decision-making across the fleet. The Fleet Engineer ensures work practices remain consistent with the ABF Safety Management System, applicable International Maritime Organisation (IMO) conventions, Australian Maritime Safety Authority (AMSA) Marine Orders, and other regulatory frameworks governing ABF vessel operations.
With offices in Perth, Brisbane, Melbourne, Sydney, and Canberra, we’re a tight-knit team, working across some of Australia’s most critical infrastructure and Defence projects. We come from diverse backgrounds and pride ourselves on our flexible, supportive and collaborative team culture. We can offer great work, great people, great culture, great conditions, and an all-round great time, whilst you go about developing a great career in this space.
As part of IAG, you’ll be joining a team of more than 250 professionals’ working across a range of integrated workstreams in a friendly and approachable environment.

IAG Defence and National Security (DNS) is a multidisciplinary team of Project Management, ICT, Logistics, Engineering and Commercial advisory professionals who primarily provide services to the Defence Sector, Australian Department of Defence and Defence Industry.
Thanks to the diversity of its service offerings, IAG Defence & National Security is uniquely positioned to provide its partners and clients with holistic solutions that address complex cross-subject requirements.
IAG DNS is part of the wider IAG team - Australasia’s most trusted transaction, commercial, strategic advisory, delivery and technical services firm.
IAG has assisted clients to successfully plan, transact and deliver more than $200 billion of projects across Australia and internationally. This combined experience ensures our team of specialist advisors effectively navigate complex governance frameworks, challenging stakeholders, multifaceted technical environments and regulatory intricacies to deliver value for money outcomes.
We bring a flexible, scalable team with unmatched professional diversity – a national pool of approximately 250 advisors with diverse backgrounds in law, commerce, engineering, defence, construction, environmental management and stakeholder engagement.