Posted 04/06/2026
Closes 18/06/2026
North Sydney, 2060, Sydney, New South Wales
Full time
Not specified
Canberra or Sydney | Defence Program | Long-Term Opportunity
JiGSAW Notions is seeking experienced Technical Officers to support a long-running sovereign Defence program delivering mission-critical ICT capability across secure, deployed, and maritime environments.
We're hiring across three specialist streams:
Hardware Support
Systems Administration
Network Support
Whether your expertise is hardware, enterprise systems, or networking, you'll join a team supporting operational Defence capability where reliability, security, and technical excellence matter.
Experience with:
ICT Hardware
Diagnosing and resolving complex hardware issues
Dell, HP and Cisco
ICT Vendor Warranty Processes
Hardware Asset Management
Building and deploying Minerva hardware
Testing hardware after repair to confirm issue resolution
Experience with:
Microsoft Exchange Administration Processes
Microsoft Active Directory Administration
Microsoft Skype Administration
Citrix Virtual Desktop Administration
Hypervisor Maintenance and Administration
Messaging infrastructure in a multi-forest distributed environment
Managing user accounts for Minerva ITS admins, Business App admins, and standard users
Managing and maintaining digital certificates across the Minerva environment
Experience with:
Routing and Switching
IPSec, VPN and VLAN technologies
OSPF, BGP and MPLS TE
Next Gen firewalls
Voice Over IP
Enterprise wireless LAN infrastructure
Network segmentation
Network Access Control
Network telemetry protocols such as NetFlow and SNMP
Defence Deployed systems
Cisco networking products
HYCU Backup Solutions
Microsoft products
Red Hat
Netbox
Nutanix
Elastic Monitoring products
Experience with containerisation and orchestration platforms (e.g. Docker, Kubernetes, OpenShift)
Previous Minerva experience
Experience working within highly regulated, secure environments
Competitive market rates
Long-term sovereign Defence program
Opportunity to support mission-critical capability
Technical roles with genuine ownership and impact
Mon–Fri business hours
Flexible arrangements considered
Backed by JiGSAW Notions — a sovereign-owned, Defence-trusted delivery partner
Current NV2 AGSVA Security Clearance is mandatory.
Apply through SEEK with your CV and include:
Your current AGSVA clearance level
Which stream best matches your experience (Hardware, Systems, Network, or Multiple)
Earliest available start date
We review every application and will contact suitable candidates regarding next steps and other Defence-cleared opportunities across the JiGSAW Notions portfolio.