Entry-level systems administrator jobs in San Antonio, TX: 6 open roles
6 open entry-level systems administrator jobs in San Antonio, TX, taken from employers’ own career sites and checked to still be open. A systems administrator keeps servers, accounts and company software running and secure. Entry versions handle routine admin tasks and monitoring.
Open entry-level systems administrator jobs in San Antonio, TX
Verified against the employer’s own career site within the last week.
- Systems Administrator I - IT Infrastructure & On-Call
International Bank of Commerce · San Antonio, TX
Nov 7, 2026
- Junior Linux Systems Administrator
Caci-Iss · San Antonio, TX, US
Nov 6, 2026
- Business Systems Analyst
Marathon Petroleum · San Antonio, TX
Nov 5, 2026
- Business Systems Analyst II
SWBC · San Antonio, TX
Nov 3, 2026
- Business Systems Analyst 1
Holt Group · San Antonio, TX
Nov 2, 2026
- System Administrator I
International Bancshares · San Antonio, TX
Oct 27, 2026
Showing the newest 6 of about 6 verified open jobs here. Search all jobs
Search all systems administrator jobs in San Antonio, TX · What a systems administrator does and the skills it takes
The systems administrator job in San Antonio, TX
The job is the same anywhere; what changes is who is hiring.
A typical day
- 1. Manage user accounts and permissions
- 2. Apply updates and patches
- 3. Monitor systems
- 4. Back up and restore
- 5. Respond to incidents
Skills it uses
- 1. Windows or Linux administration
- 2. Active Directory or Entra ID
- 3. Scripting basics
- 4. Networking basics
- 5. Documentation
Employers hiring in San Antonio, TX
- Caci-Iss 1
- Holt Group 1
- International Bancshares 1
- International Bank of Commerce 1
- Marathon Petroleum 1
- SWBC 1
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