Systems Administrator: Facts, Skills, and Next Paths

Systems Administrators keep an organization's computer systems running reliably. Day to day, they manage servers, networks, and software—troubleshooting issues, applying patches, and ensuring systems are secure.

Core responsibilities include installing and configuring operating systems (especially Linux), managing virtual machines (VMware), writing scripts (Bash) to automate repetitive tasks, and maintaining documentation. The role often involves supporting mission-critical enclaves: for example, ARSIEM Corporation hires Network Enclave System Administrators to secure government networks at Fort Meade, while VulnCheck needs a Systems Administrator to build and operate lab infrastructure supporting vulnerability research. At Modern Technology Solutions Inc., senior sys admins oversee enterprise systems, software distribution, and phone systems.

The median salary for Systems Administrators is roughly $114,368. The most frequently requested skills in current job postings are Linux Administration (80% of postings), Network Administration (70%), Compliance (60%), and Documentation (50%); scripting, configuration management, Bash, and VMware each appear in about 40% of postings.