The median infrastructure engineer posting in Seattle at a tech startup offers $229K base, with the middle half between $202K and $305K — from 12 live pay ranges at 5 companies.
| Level | Postings | Median | Middle 50% |
|---|---|---|---|
| Level not stated | 5 | $305K | $235K–$305K |
| Senior | 4 | $199K | $185K–$209K |
| Staff+ | 3 | $256K | $234K–$329K |
| Staff+ Infrastructure Engineer, Cluster Infrastructure Anthropic |
$320K–$485K |
| IT Systems Engineer, Client Platform Engineer, ChromeOS Anthropic |
$325K–$360K |
| IT Systems Engineer, Mobile Client Platform Engineer Anthropic |
$285K–$325K |
| IT Systems Engineer, Client Platform Engineer, macOS Anthropic |
$285K–$325K |
| Staff AI Infrastructure Engineer Anduril |
$220K–$292K |
| Cybersecurity Platform Engineer (R5531) Shield AI |
$190K–$280K |
| Senior AI Infrastructure Engineer Anduril |
$191K–$253K |
| Senior Site Reliability Engineer Hive |
$160K–$250K |
Figures are the midpoint of each pay range published in a job posting (US$, base salary as posted), across open roles at the startups we track, recalculated daily. Postings without a range, interns and contractors are excluded. Updated Oct 23, 2026.