What They Do
System Administrators keep technology running smoothly 24/7 by managing servers, operating systems, accounts, security, and automation.
Day-to-Day Activities
- Install, configure, and maintain servers and operating systems (Windows, Linux)
- Monitor system performance and troubleshoot issues before they affect users
- Manage user accounts, permissions, and access control security
- Perform system backups and test disaster recovery procedures
- Apply security patches, software updates, and maintain system security
- Automate repetitive tasks using PowerShell, Bash, or Python scripts
- Document configurations, procedures, and maintain IT inventory
Skills & Technologies
Technical: Windows Server, Linux/Unix, virtualization (VMware, Hyper-V, Proxmox), scripting (PowerShell, Bash, Python), networking fundamentals (TCP/IP, DNS, DHCP), cloud platforms (AWS, Azure, Google Cloud), Active Directory, security best practices.
Soft Skills: Troubleshooting, time management, communication with non-technical users, documentation, calm under pressure during outages.
Salary & Career Growth
| Level | Typical Salary |
|---|---|
| Entry Level | $55,000 – $75,000 |
| Mid-Level (3–5 yrs) | $80,000 – $105,000 |
| Senior (8+ yrs) | $110,000 – $150,000+ |
Career Path: Junior SysAdmin → System Administrator → Senior SysAdmin → IT Manager / Infrastructure Architect
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