Nationally, the median is $78,000 — South Australia sits $10,000 below the national figure. See the national picture →
Take-home on the median Site Administrator salary of $68,000 — after $11,188 income tax and $1,360 Medicare levy (2025–26 resident, no HECS, private hospital cover).
Reported total pay for Site Administrator roles by employer — medians include bonuses and other cash compensation, so they sit above base-salary figures.
| Company | Median total pay | Typical range |
|---|---|---|
| Piacentini & Son★ 2.2 | $100,523 | $96,139 – $104,907 |
| Downer★ 3.2 | $84,394 | $80,834 – $87,954 |
| Kaefer★ 3.4 | $79,435 | $76,313 – $82,577 |
| CPB Contractors★ 3.7 | $64,912 | $58,823 – $71,000 |
| Fulton Hogan★ 4.0 | $64,000 | $62,000 – $66,000 |
Median base salary and range where enough data exists — every figure labelled with its source.
Anonymous submissions from Australian workers — reviewed before they appear, never tied to a name or employer.
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Salary figures are market estimates built from third-party data and community submissions — they show what the market pays, not what any individual employer will offer. Take-home figures are 2025–26 estimates for an Australian resident with private hospital cover and no HECS debt. General information only — not financial or tax advice.