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System Administrator Jobs in Australia.

Australia offers a strong, diverse job market across Sydney's finance and tech sectors, Melbourne's business and creative industries, and mining and resources nationwide. Browse jobs across Australia from companies hiring nationwide.

System administrators keep servers, systems and services running smoothly day to day. Browse system administrator jobs from companies hiring worldwide.

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Total jobs
25
positions indexed
New today
0
last 24 hours
Companies
16
actively hiring
Worldwide remote
0
from anywhere

How many System Administrator jobs in Australia are there right now?

There are 25 open System Administrator jobs in Australia on JobsRadar right now, from 16 companies hiring directly. The board was last refreshed on October 21, 2026 at 04:37 UTC.

role: System Administrator in: Australia Clear all
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Northrop Grumman
Hardware Systems Administrator
Northrop Grumman
⚡ Apply early Australia-Exmouth Onsite
● New 👁 Seen ✓ Applied 2d ago
ACCIONA
Project Controls System Administrator
ACCIONA
⚡ Apply early Brisbane Onsite
● New 👁 Seen ✓ Applied 1w ago
Alimentiv
ERP System Administrator (Acumatica)
Alimentiv
⚡ Apply early Adelaide · location restricted
● New 👁 Seen ✓ Applied 1w ago
Leidos
System Administrator | VMware
Leidos
⚡ Apply early Scoresby, Victoria, Australia Onsite
● New 👁 Seen ✓ Applied 2w ago
State Street
Systems Administrator / Engineer, AVP
State Street
⚡ Apply early Melbourne, Australia Onsite
● New 👁 Seen ✓ Applied 2w ago
RB
Senior Systems Administrator x 3
Reserve Bank of Australia
⚡ Apply early Baulkham Hills, Sydney Hybrid
● New 👁 Seen ✓ Applied 2w ago
Crown Equipment
IT Asset Administrator
Crown Equipment
⚡ Apply early Smithfield, New South Wales, A... Onsite
● New 👁 Seen ✓ Applied 2w ago
Journey Beyond
Systems Administrator | HRIS
Journey Beyond
⚡ Apply early Adelaide, South Australia, Aus... Onsite
● New 👁 Seen ✓ Applied 3w ago
Leidos
Systems Administrator
Leidos
⚡ Apply early Canberra, Australian Capital T... Onsite
● New 👁 Seen ✓ Applied 3w ago
Kapsch TrafficCom
Systems Administrator
Kapsch TrafficCom
⚡ Apply early Melbourne Onsite
● New 👁 Seen ✓ Applied 3w ago
GoFundMe
IT Administrator I
GoFundMe
⚡ Apply early Australia Onsite
● New 👁 Seen ✓ Applied 1mo ago
Leidos
Systems Administrator | Kubernetes
Leidos
⚡ Apply early Canberra, Australian Capital T... Onsite
● New 👁 Seen ✓ Applied 1mo ago
Leidos
System Administrator | Virtual Data Centre
Leidos
⚡ Apply early Canberra, Australian Capital T... Onsite
● New 👁 Seen ✓ Applied 1mo ago
Leidos
Systems Administrator | 6-month Fixed Term Contract
Leidos
⚡ Apply early Canberra, Australian Capital T... Onsite
● New 👁 Seen ✓ Applied 1mo ago
Redox
Systems Administrator - Minto, South-West Sydney
Redox
⚡ Apply early Minto, New South Wales, Austra... Onsite
● New 👁 Seen ✓ Applied 1mo ago
Leidos
Linux Systems Administrator
Leidos
⚡ Apply early Canberra, Australian Capital T... Onsite
● New 👁 Seen ✓ Applied 1mo ago
RB
System Administrator - ServiceNow
Reserve Bank of Australia
⚡ Apply early Sydney Hybrid
● New 👁 Seen ✓ Applied 2mos ago
Leidos
Senior Systems Administrator
Leidos
⚡ Apply early Alice Springs, Northern Territ... Onsite
● New 👁 Seen ✓ Applied 2mos ago
Fugro
Senior IT Support Administrator
Fugro
⚡ Apply early Perth, Australia Onsite
● New 👁 Seen ✓ Applied 2mos ago
Cesium Astro
IT System Administrator II
Cesium Astro
⚡ Apply early Melbourne, FL Onsite
● New 👁 Seen ✓ Applied 2mos ago
PGTEK
Datacenter Technician/System Administrator - Australia
PGTEK
⚡ Apply early Central Australia, Northern Te... Onsite
● New 👁 Seen ✓ Applied 2mos ago
Leidos
Expression of Interest - Systems Administrator - TSPV
Leidos
⚡ Apply early Scoresby, Victoria, Australia Onsite
● New 👁 Seen ✓ Applied 2mos ago
Amentum
NMP80323 -ICT Solutions Implementation System Administrator (2)
Amentum
⚡ Apply early OCONUS-Australia-Sydney Onsite
● New 👁 Seen ✓ Applied 2mos ago
Amentum
NMP80323 -ICT Solutions Implementation System Administrator
Amentum
⚡ Apply early OCONUS-Australia-Sydney Onsite
● New 👁 Seen ✓ Applied 2mos ago
RTX
Senior System Administrator FSR (Field Service Representative)
RTX
⚡ Apply early AU-ACT-CANBERRA-2613 ~ 4 Brind... Onsite
● New 👁 Seen ✓ Applied 3mos ago

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Frequently asked questions

How many System Administrator jobs in Australia are open right now?
25 System Administrator jobs in Australia are open across 16 companies, as of October 21, 2026.
Which companies are hiring System Administrator jobs in Australia?
Northrop Grumman, ACCIONA, Alimentiv, Leidos and State Street are among the 16 companies currently hiring System Administrator jobs in Australia.
How current are these listings?
Every listing comes straight from the employer’s own careers system and is re-checked three times a day. This page was last updated on October 21, 2026 at 04:37 UTC.

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