System Administrator Jobs in San Antonio
39 live System Administrator roles in San Antonio, United States. Apply directly on Haystack.
Last updated 18 August 2026. Job counts refresh daily.
As of 18 August 2026, Haystack lists 39 live System Administrator jobs in San Antonio, with 18 added in the past week. Employers hiring right now include BEAT LLC, EPS Corporation and Alpha Omega.
Top companies hiring
plus 17 more companies hiring in this category
- This week
Senior System Administrator
University Health System
San Antonio, TX🇺🇸YesterdayOracleSQLTCP/IP+1 moreTechnologyUH - This week
Endpoint Engineer (Systems Administrator)
A1FED Inc
San Antonio, TX🇺🇸YesterdayEmbedded SystemsTechnologyA1 - This week
Network and Computer Systems Administrator
EPS Corporation
San Antonio, TX🇺🇸2 days agoFiberActive DirectoryCompliance+1 moreTechnologyEP - This week
System Administrator
SRC, Inc.
San Antonio, TX🇺🇸$110k - $127k/yr2 days agoActive DirectoryDNSKubernetes+1 moreTechnologySR - This week
System Administrator Junior with Security Clearance
Dunhill Professional Search
San Antonio, TX🇺🇸$50k - $79k/yr2 days agoAWSAzureBash+2 moreTemporary/CasualTechnologyDP - This week
Lead Server Support Center (SSC) Technician - Systems Administrator
EPS Corporation
San Antonio, TX🇺🇸2 days agoActive DirectoryComplianceScheduling+1 moreTechnologyEP - This week
System Administrator & Technical Support
BBNC
San Antonio, TX🇺🇸2 days agoTechnologyBB - This week
System Administrator - Journeyman
ASM Research
San Antonio, TX🇺🇸2 days agoAWSNagiosSplunk+7 moreTechnologyAR - This week
Senior System Administrator - UKG
University Health System
San Antonio, TX🇺🇸3 days agoOracleSQLSQL Server+1 moreTechnologyUH - This week
System Administrator - Junior
ASM Research
San Antonio, TX🇺🇸3 days agoAWSAzureBash+2 moreTechnologyARGet new System Administrator jobs in San Antonio in your inbox
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- This week
Linux System Administrator with Security Clearance
Set of X
San Antonio, TX🇺🇸3 days agoTechnologySO - This week
System Administrator Journeyman with Security Clearance
Dunhill Professional Search
San Antonio, TX🇺🇸$80k - $110k/yr3 days agoAWSNagiosSplunk+7 moreTechnologyDP - This week
Site System Administrator with Security Clearance
Empower AI
San Antonio, TX🇺🇸$86.5k/yr4 days agoOracleSQLTechnologyEA - This week
System Administrator
The 20
San Antonio, TX🇺🇸4 days agoActive DirectoryAzureDNS+1 moreTechnologyT2 - This week
Operational Database System Administrator
General Dynamics
San Antonio, TX🇺🇸$101.4k - $109.7k/yr4 days agoOraclePL/SQLSQLTechnologyGD - This week
Intermediate System Administrator -- JCC2-R with Security Clearance
Semper Valens Solutions, Inc.
San Antonio, TX🇺🇸5 days agoDockerAWSAnsible+7 moreTechnologySV - This week
System Administrator with Security Clearance
SRC, Inc
San Antonio, TX🇺🇸$110k - $127k/yr5 days agoActive DirectoryDNSKubernetes+1 moreTechnologySR - This week
Intermediate System Administrator -- JCC2-R with Security Clearance
Semper Valens Solutions
San Antonio, TX🇺🇸5 days agoDockerAWSAnsible+7 moreTechnologySV Network Administrator III (WAN) with Security Clearance
Abacus Technology
San Antonio, TX🇺🇸1 week agoTechnologyATSystem Admin L3 - TS/SCI Poly required with Security Clearance
EMTAK LLC
San Antonio, TX🇺🇸1 week agoTechnologyEMSystem Administrator with Security Clearance
Fuse Engineering LLC
San Antonio, TX🇺🇸1 week agoVMwareTechnologyFESystems Administrator III with Security Clearance
Alpha Omega
San Antonio, TX🇺🇸$75k - $113.8k/yr1 week agoTechnologyAOSystems Administrator
Robert Half
San Antonio, TX🇺🇸2 weeks agoActive DirectoryMicrosoft OfficeVMwareTechnologyRHSr. SQL Database Administrator with Security Clearance
Peraton
San Antonio, TX🇺🇸$80k - $128k/yr3 weeks agoSQLETLHTTPS+1 moreTechnologyPESystem Administrator Enterprise with Security Clearance
BEAT LLC
San Antonio, TX🇺🇸5 weeks agoEncryptionAzurePKITechnologyBEVMWare Administrator - Senior with Security Clearance
Dunhill Professional Search
San Antonio, TX🇺🇸$97k - $142k/yr5 weeks agoTerraformVMwareTechnologyDPSenior System Administrator with Security Clearance
IT-CNP
San Antonio, TX🇺🇸5 weeks agoTechnologyITSystem Administration Application Packaging with Security Clearance
Alpha Omega
San Antonio, TX🇺🇸$78k - $113.8k/yr5 weeks agoTechnologyAODatabase Administrator - FULLY CLEARED with POLYGRAPH REQUIRED with Security Clearance
Constellation Technologies, Inc
San Antonio, TX🇺🇸$170k - $198k/yr5 weeks agoOracleSQLSQL Server+1 moreTechnologyCTNetwork and Computer Systems Administrator - (780) with Security Clearance
EPS Corporation
San Antonio, TX🇺🇸5 weeks agoFiberActive DirectoryVMwareTechnologyEP
Frequently asked questions
How many System Administrator jobs in San Antonio are available?
Haystack currently lists 39 live System Administrator jobs in San Antonio, with 18 added in the past week. Numbers refresh daily.
Which companies are hiring for System Administrator jobs in San Antonio?
BEAT LLC, EPS Corporation, Alpha Omega, Dunhill Professional Search, University Health System are actively hiring right now, alongside 18 other employers.