
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.
We are seeking an experienced Senior Services Engineer to support the Land Network Integration Centre (LNIC) Validate Frame team in delivering integration, assurance, testing, and sustainment activities across complex Land Combat System (LCS) environments. The role supports Army’s digital integration and interoperability objectives across Land, Joint and Coalition capability environments.
Working within a highly specialised engineering team, you will contribute to systems integration, configuration integrity, test and evaluation, and ongoing design evolution activities across interconnected application, network, mission command, and information systems operating across multiple security domains.
This is a hands-on senior technical role suited to an experienced systems engineer or integration specialist who can operate independently within secure and complex ICT environments. You will work closely with Defence stakeholders, ICT providers, and coalition partners to resolve integration issues, maintain system alignment, and support interoperability outcomes.
Key responsibilities include:
Supporting integration alignment across Defence ICT providers, capability projects, and coalition stakeholders.
The role is based primarily in Symonston, ACT, with interstate and occasional international travel required to support coalition activities, exercises, and field trials.
You are a senior technical practitioner with strong systems engineering and integration experience gained within complex enterprise, Defence, mission systems, or secure ICT environments. You understand how interconnected applications, networks, infrastructure, and mission systems operate together across highly integrated environments.
You have demonstrated experience across:
You bring strong technical knowledge across:
You are comfortable engaging with Defence stakeholders, ICT teams, security authorities, and capability representatives to resolve complex integration issues and provide trusted engineering advice with minimal oversight. Experience working within Joint, coalition, or FVEY environments will be highly regarded.
Highly desirable experience includes:
Candidates must hold, or be eligible to obtain, a minimum NV2 security clearance.
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.