System Administrator Jobs in San Antonio
36 live System Administrator roles in San Antonio, United States. Apply directly on Haystack.
Last updated 27 August 2026. Job counts refresh daily.
As of 27 August 2026, Haystack lists 36 live System Administrator jobs in San Antonio, with 8 added in the past week. Employers hiring right now include BEAT LLC, Alpha Omega and University Health.
Top companies hiring
plus 14 more companies hiring in this category
- EM
System Admin L3 - TS/SCI Poly required with Security Clearance
EMTAK LLC
San Antonio, TX馃嚭馃嚫Hybrid5 weeks agoTechnology - SV
Intermediate System Administrator -- JCC2-R with Security Clearance
Semper Valens Solutions, Inc.
San Antonio, TX馃嚭馃嚫Hybrid6 weeks agoDockerAWSAnsible+7Technology - MA
Senior System Administrator (Cloud Platform) with Security Clearance
Maximus Inc
San Antonio, TX馃嚭馃嚫$140k - $190k/yrHybrid3 days agoDockerAWSAnsible+6Technology - MA
Senior System Administrator (Cloud Platform)
Maximus, Inc.
San Antonio, TX馃嚭馃嚫$140k - $190k/yrHybrid3 days agoDockerAWSAnsible+6Technology - AT
Network Administrator III (WAN) with Security Clearance
Abacus Technology
San Antonio, TX馃嚭馃嚫Hybrid4 weeks agoTechnology - GO
Linux Administrator with Security Clearance
GovCIO
San Antonio, TX馃嚭馃嚫$125k - $135k/yrOn-site3 weeks agoLogstashTCP/IPActive Directory+7 - UH
Senior System Administrator - PeopleSoft
University Health
San Antonio, Texas馃嚭馃嚫Hybrid5 days agoOracleSQLSQL Server+1Technology - UH
Senior System Administrator - UKG
University Health
San Antonio, Texas馃嚭馃嚫Hybrid5 days agoOracleSQLSQL Server+1Technology - SE
Systems Engineer / System Administrator for Managed Service Provider
Straight Edge Technology, Inc.
San Antonio, Texas馃嚭馃嚫On-site3 months agoSQLAzureVMwareTechnology - KT
Sr. ERP & NetSuite System Administrator
Kforce Technology Staffing
San Antonio, TX馃嚭馃嚫Hybrid1 week agoOracleSOAPLESS+1TechnologyGet new System Administrator jobs in San Antonio in your inbox
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- DP
System Administrator Junior with Security Clearance
Dunhill Professional Search
San Antonio, TX馃嚭馃嚫$50k - $79k/yrHybrid5 weeks agoAWSAzureBash+2Technology - EA
Site SA Assistant with Security Clearance
Empower AI
San Antonio, TX馃嚭馃嚫$71.4k/yrOn-site1 week agoAdministrative - AS
FICS Administrator
Apex Systems
San Antonio, TX馃嚭馃嚫Hybrid1 week ago401kReconciliation - KT
FICS Administrator
Kforce Technology Staffing
San Antonio, TX馃嚭馃嚫Hybrid1 week agoLESSReconciliation - SO
Linux System Administrator with Security Clearance
Set of X
San Antonio, TX馃嚭馃嚫Hybrid4 weeks agoTechnology - DP
System Administrator Journeyman with Security Clearance
Dunhill Professional Search
San Antonio, TX馃嚭馃嚫$80k - $110k/yrHybrid6 weeks agoAWSNagiosSplunk+7Technology - EA
Site System Administrator with Security Clearance
Empower AI
San Antonio, TX馃嚭馃嚫$86.5k/yrOn-site2 weeks agoOracleSQLTechnology - RC
SharePoint Admin: Onsite
Resource Consulting Services
San Antonio, TX馃嚭馃嚫On-site2 weeks agoSQLPower BITechnology - LC
Senior System Engineer
Lone Cypress Technology
San Antonio, TX馃嚭馃嚫$90k/yrOn-site2 weeks agoAzureCypressVMwareTechnology - AO
Systems Administrator III with Security Clearance
Alpha Omega
San Antonio, TX馃嚭馃嚫$75k - $113.8k/yrOn-site6 weeks agoTechnology - RH
Systems Administrator
Robert Half
San Antonio, TX馃嚭馃嚫Hybrid3 weeks agoActive DirectoryMicrosoft OfficeVMwareTechnology - BE
System Administrator Enterprise with Security Clearance
BEAT LLC
San Antonio, TX馃嚭馃嚫Hybrid6 weeks agoEncryptionAzurePKITechnology - CT
Database Administrator - FULLY CLEARED with POLYGRAPH REQUIRED with Security Clearance
Constellation Technologies, Inc
San Antonio, TX馃嚭馃嚫$170k - $198k/yrOn-site6 weeks agoOracleSQLSQL Server+1Technology - AO
System Administration Application Packaging with Security Clearance
Alpha Omega
San Antonio, TX馃嚭馃嚫$78k - $113.8k/yrOn-site6 weeks agoAzureTechnology - EP
Network and Computer Systems Administrator - (780) with Security Clearance
EPS Corporation
San Antonio, TX馃嚭馃嚫Hybrid6 weeks agoFiberActive DirectoryVMwareTechnology - BE
System Administrator (EM Services) with Security Clearance
BEAT LLC
San Antonio, TX馃嚭馃嚫Hybrid4 weeks agoSQLAzurePower BITechnology - BE
System Administrator Intermediate (PS) with Security Clearance
BEAT LLC
San Antonio, TX馃嚭馃嚫Hybrid4 weeks agoAzureZero TrustTechnology - BE
System Administrator (PPS) with Security Clearance
BEAT LLC
San Antonio, TX馃嚭馃嚫Hybrid6 weeks agoAzureTechnology - BE
System Administrator - EM Development & Testi with Security Clearance
BEAT LLC
San Antonio, TX馃嚭馃嚫Hybrid6 weeks agoAzureTechnology - BE
Endpoint Engineer - System Administrator with Security Clearance
BEAT LLC
San Antonio, TX馃嚭馃嚫Hybrid6 weeks agoEncryptionAzureZero TrustTechnology
Frequently asked questions
How many System Administrator jobs in San Antonio are available?
Haystack currently lists 36 live System Administrator jobs in San Antonio, with 8 added in the past week. Numbers refresh daily.
Which companies are hiring for System Administrator jobs in San Antonio?
BEAT LLC, Alpha Omega, University Health, Kforce Technology Staffing, Dunhill Professional Search are actively hiring right now, alongside 15 other employers.