IT & Systems Administration jobs in Australia
IT & Systems Administration roles in or open to Australia. 61 open roles from 27 employers, 10 with salary shown. Updated Nov 5, 2026.
- System Administrator | Virtual Data CentreLeidosRemote · AU
- Systems AdministratorFirmus Technologies · Sydney, Australia
- Senior Systems Administrator (Australia) - TS/SCI with PolygraphGD Information Technology, Inc. · International$94k–115k/yr
- Senior Systems Administrator (Australia) - TS/SCI with PolygraphGD Information Technology, Inc. · International$94k–115k/yr
- Technical Support Engineer - Developer PlatformCloudflare · SingaporeHybrid
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- Service Desk AnalystLeidos · Canberra, Australia
- Storage EngineerLeidos · Melbourne, Australia
- Systems AdministratorLeidos · Canberra, Australia
- Senior Systems Administrator (Australia) - TS/SCI with PolygraphGD Information Technology, Inc. · International$98k–132k/yr
- Sr Principal Systems Administrator (Melbourne FL)CORP-Corporate Office · Melbourne, FL
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- IT Support ManagerEasygo · Melbourne, Australia
- Tier 2 System Administrator Shift - TS/SCI with PolyLeidos · Alice Springs, Australia
- Tier 2 System Administrator Shift - TS/SCI with PolyLeidos · Alice Springs, Australia
- Senior Specialist Systems AdministratorL3Harris · Rochester, NY$80k–148k/yr
- Linux Systems Administrator 2/3 - Top SecretCORP-Corporate Office · Melbourne, FL
- Senior Technical Support Engineer IIPing Identity · Sydney, Australia
- IT Helpdesk & SupportMable · MelbourneHybrid
- Service Desk Team LeaderUnisys Australia Pty Limited · Adelaide, Australia
- Staff IT Systems Engineer, ICT LeadShield AI · MelbourneOn-site
- Senior Technical Support EngineerZscalerRemote · AU
- End User Services RepresentativeLeidos · Scoresby, Australia
- System Administrator | VMwareLeidos · Scoresby, Australia
- Senior Technical Support Engineer, Observe by SnowflakeSnowflake · Fins Only-AU-SydneyOn-siteA$117k–168k/yr
- Lead, Systems AdministratorL3Harris · Melbourne, FL
- Storage Engineer, AI Cluster CommissioningFirmus Technologies · Melbourne, Australia
- Core Services Engineer (Windows Administrator) – TSPV clearance required — Mission Software Solutions — MEL or CBR onsiteLeidos · Canberra, AustraliaOn-site
- End User Services RepresentativeLeidos · Canberra, Australia
- Technical Support Engineer, APACSocketRemote · AU
- Systems AdministratorLeidos · Canberra, Australia
- Associate Director of IT OperationsHelloFresh · Sydney, Australia
- Service Desk EngineerNew Era Technology · Brisbane
- Senior Systems Administrator (Australia) - TS/SCI with PolygraphGD Information Technology, Inc. · International$102k–138k/yr
- Systems Administrator | KubernetesLeidos · Canberra, Australia
- Windows AdministratorLeidos · Canberra, Australia
- Technical IT Asset ManagementUnisys Australia Pty Limited · Canberra, Australia
- Lead Finance Systems AdministratorCareDx, Inc.Remote · US, AU$112k–140k/yr
- Linux Systems Engineer - Bare Metal & KubernetesOptiver · Sydney, Australia
- SQL Senior Database AdministratorLeidos · Canberra, Australia
- Systems Administrator | 6-month Fixed Term ContractLeidos · Canberra, Australia
- Global Tier 1 Service Desk TechnicianKellogg Brown & Root Pty Ltd · Brisbane, Australia
- Active Directory EngineerLeidos · Canberra, Australia
- Executive IT Support TechnicianL3Harris · Melbourne, FL
- Service Desk AnalystLeidos · Canberra, Australia
- Technical Support EngineerVerkada · Sydney, Australia
- Senior IT Customer Support Analyst, Desktop SupportKellogg Brown & Root Pty Ltd · Brisbane, Australia
- Linux Systems AdministratorLeidos · Canberra, Australia
- IT Support SpecialistSTR · Melbourne, FL$72k–90k/yr
- Senior Systems AdministratorLeidos · Alice Springs, Australia
- Technical Support EngineerMegaport · BrisbaneHybrid
- Technical Support Engineer - Tier 3Deputy · SydneyHybrid