About Us
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 Role
The Land Network Integration Centre (LNIC) is responsible for advising and directing Army’s digital network integration efforts to maximise interoperability across Land, Joint and Coalition environments. Supporting the Army Operating System, LNIC ensures Army capability investments are digitally integrated and aligned to approved interfaces, standards, and operational requirements.
An opportunity exists for an experienced LCSSE System Administrator / Communications Network Engineering Advanced Practitioner (Level 3) to join the LNIC team supporting the ongoing design, implementation, administration, and sustainment of complex physical and virtualised network environments.
This is a highly technical, hands-on role responsible for supporting and maintaining a secure networked compute and storage environment spanning multiple physical and virtual tenancies. You will assist with infrastructure management, systems administration, security compliance activities, configuration and change management, infrastructure upgrades, and support to Army units, project teams, and industry partners operating within the LCSSE.
Working within a small, specialist team, you will contribute to the delivery and sustainment of Defence digital integration capabilities across the Land domain, supporting experimentation, trials, exercises, and capability development activities within Joint and Coalition environments.
Key responsibilities include:
- Administration and sustainment of VMware ESXi, VMware vCenter, VMware Cloud Foundation (VCF), Windows Server environments, Active Directory, Group Policy, WSUS, and associated infrastructure
- Management of virtualised and physical infrastructure environments supporting the LCSSE and connected systems
- Security compliance activities including vulnerability management, patching, configuration management, accreditation support, and implementation of ISM/STIG controls
- Setup, administration, and teardown of user and project environments across multiple domains
- Installation, configuration, and sustainment of Windows and Linux-based military software applications and systems
- Infrastructure monitoring, availability management, backup management, and capacity planning activities
- Technical documentation development including SOPs, As-Builts, High Level Designs, and configuration records
- Support to infrastructure upgrades, extensions, integration activities, and technical change implementation
- Providing technical advice and support to ADF, APS, contractor personnel, and external stakeholders across Defence capability projects
- Supporting digitally integrated Land Combat System outcomes through the Land Integration Framework – Digital (LIF-D)
This role is primarily based onsite at the LNIC facility in Symonston ACT, with some interstate and occasional international travel supporting exercises, trials, and coalition engagement activities.
About You
You are an experienced Systems Administrator, Infrastructure Engineer, or Communications Network Engineering professional with extensive experience operating within complex Defence or Government ICT environments. You possess strong hands-on technical capability across virtualised infrastructure, enterprise systems administration, networking, automation, and security compliance, with the ability to operate effectively in highly integrated and security-focused environments.
You thrive in technically complex environments and are comfortable working across physical and virtual infrastructure, supporting both operational and development/testing environments. You bring strong troubleshooting and analytical skills, an automation mindset, and the ability to communicate effectively with both technical and non-technical stakeholders.
To be successful in this role, you will demonstrate experience across many of the following areas:
- VMware ESXi, VMware vCenter, VMware Cloud Foundation (VCF), and virtualised infrastructure environments
- Windows Server administration (2016/2022/2025), Active Directory, Group Policy, WSUS, and Windows SOE management
- Physical and virtual datacentre infrastructure administration and sustainment
- Powershell scripting, automation, and systems deployment activities
- Security compliance, vulnerability management, patching, accreditation support, and implementation of ACSC ISM/STIG controls
- Configuration management, change management, and infrastructure lifecycle management
- Backup, recovery, availability management, and enterprise infrastructure sustainment
- Linux administration, networking technologies, and Cisco-based environments
- Technical documentation development including SOPs, High Level Designs, As-Builts, and configuration records
- Supporting integrated capability environments within Defence or secure Government networks
- Working collaboratively within small technical teams and stakeholder-heavy environments
Desirable experience includes:
- Nutanix/HCI platforms
- Microsoft Azure / Office 365 administration
- PowerCLI, Gitlab, Ansible, MDT, and containerisation technologies
- Defence deployable network environments or Land Domain capability projects
- VMware/Broadcom hypervisor technologies and CISCO networking environments
Candidates with extensive Defence experience, strong infrastructure automation capability, and experience supporting secure or classified environments will be highly regarded.
What we offer
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.
