System Administrator Jobs in United States (500+)

Browse 500 open System Administrator roles in United States, refreshed daily as new postings come in. Teams hiring right now include cgsfederal, gdit, RTX, globalhr, leidos, alongside many other companies actively building out their teams in United States. Most of these roles are on site or hybrid, with a small share offering remote flexibility. Every card below shows the salary when the company discloses it, the experience level expected, and links straight to the original listing. Create a free NextRaise account to see your match score against each role, generate a resume tailored to the exact job description in seconds, and track every application from one dashboard.