Junior Systems Administrator — what you'd actually do

This maps to the ONET occupation Network and Computer Systems Administrators (SOC 15-1244). The activities below are ONET occupation tasks, copied as-is and attributed to O*NET.

What you'd actually do

These are the most central day-to-day activities O*NET records for this occupation (highest-importance core tasks first):

• Maintain and administer computer networks and related computing environments, including computer hardware, systems software, applications software, and all configurations. (O*NET)
• Perform data backups and disaster recovery operations. (O*NET)
• Diagnose, troubleshoot, and resolve hardware, software, or other network and system problems, and replace defective components when necessary. (O*NET)
• Configure, monitor, and maintain email applications or virus protection software. (O*NET)
• Operate master consoles to monitor the performance of computer systems and networks and to coordinate computer network access and use. (O*NET)
• Monitor network performance to determine whether adjustments are needed and where changes will be needed in the future. (O*NET)
• Plan, coordinate, and implement network security measures to protect data, software, and hardware. (O*NET)
• Analyze equipment performance records to determine the need for repair or replacement. (O*NET)

Core vs. occasional

O*NET separates the activities most central to the occupation (core) from those done occasionally (supplemental). Here is the honest split from the imported data.

Central, day-to-day activities: 8 core task(s).

• Maintain and administer computer networks and related computing environments, including computer hardware, systems software, applications software, and all configurations.
• Perform data backups and disaster recovery operations.
• Diagnose, troubleshoot, and resolve hardware, software, or other network and system problems, and replace defective components when necessary.
• Configure, monitor, and maintain email applications or virus protection software.
• Operate master consoles to monitor the performance of computer systems and networks and to coordinate computer network access and use.
• Monitor network performance to determine whether adjustments are needed and where changes will be needed in the future.
• Plan, coordinate, and implement network security measures to protect data, software, and hardware.
• Analyze equipment performance records to determine the need for repair or replacement.

Occasional activities: 0 supplemental task(s).

The imported task summary lists no supplemental tasks for this occupation, so every recorded activity is a core, day-to-day one.

How your current work maps in

If you are moving into tech from another field, treat the list above as an honest preview of the work itself — the concrete tasks you would spend your days on, drawn straight from O*NET occupation data. Look for the activities that already resemble what you do now (for example documenting, troubleshooting, coordinating with people, or working through a methodical process); those are the closest footholds. This is a description of the day-to-day work, not a measure of pay or hiring odds.

Sources

• National Center for ONET Development — ONET 30.3 Database: https://www.onetcenter.org/database.html

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