System Administrator Jobs in San Antonio
35 live System Administrator roles in San Antonio, United States. Apply directly on Haystack.
Last updated 16 September 2026. Job counts refresh daily.
As of 16 September 2026, Haystack lists 35 live System Administrator jobs in San Antonio, with 7 added in the past week. Employers hiring right now include BEAT LLC, Alpha Omega and University Health.
Top companies hiring
plus 13 more companies hiring in this category
- SS
System Admin II (RACF)
NewSecurity Service Federal Credit Union
San Antonio, TX馃嚭馃嚫HybridYesterdayTechnology - SS
System Admin III
NewSecurity Service Federal Credit Union
San Antonio, TX馃嚭馃嚫HybridYesterdayTechnology - SV
Senior AWS Cloud Systems Operations Administrator with Security Clearance
NewSemper Valens Solutions, Inc.
San Antonio, TX馃嚭馃嚫$1.5k/moHybrid2 days agoAdministrative - CH
Systems Administrator with Security Clearance
Chenega Corporation
San Antonio, TX馃嚭馃嚫Hybrid6 days agoPowerShellBashAnsible+3Technology - CM
Systems Administrator
Chenega MIOS
San Antonio, TX馃嚭馃嚫Hybrid6 days agoActive DirectoryAnsibleBash+5Technology - AO
System Administration Application Packaging with Security Clearance
NewAlpha Omega
San Antonio, TX馃嚭馃嚫$78k - $113.8k/yrOn-site2 days agoAzureTechnology - BG
System Administrator/Lead Technician - Physical Security Systems
Brookfield Global
San Antonio, TX馃嚭馃嚫On-site1 week agoMicrosoft OutlookTechnology - GO
Senior Linux Administrator with Security Clearance
GovCIO
San Antonio, TX馃嚭馃嚫On-site2 weeks agoAdministrative - UH
Senior System Administrator
University Health
San Antonio, Texas馃嚭馃嚫Hybrid2 weeks agoOracleSQLTCP/IP+2Technology - 3I
Archer Admin
360 IT Professionals
San Antonio, TX馃嚭馃嚫On-site9 years agoObjective-CSQLSQL Server+3TechnologyGet new System Administrator jobs in San Antonio in your inbox
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- EM
System Admin L3 - TS/SCI Poly required with Security Clearance
NewEMTAK LLC
San Antonio, TX馃嚭馃嚫Hybrid2 days agoTechnology - MA
Senior AWS Cloud Systems Operations Administrator with Security Clearance
Maximus Inc
San Antonio, TX馃嚭馃嚫$147k - $156k/yrOn-site1 week ago - UH
Senior System Administrator - UKG
University Health
San Antonio, Texas馃嚭馃嚫Hybrid3 weeks agoOracleSQLSQL Server+1Technology - UH
Senior System Administrator - PeopleSoft
University Health
San Antonio, Texas馃嚭馃嚫Hybrid3 weeks 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 - DP
System Administrator Junior - Secret Clearance with Security Clearance
Dunhill Professional Search
San Antonio, TX馃嚭馃嚫$50k - $79k/yrHybrid1 week agoAWSAzureBash+2Technology - EA
Site SA Assistant with Security Clearance
Empower AI
San Antonio, TX馃嚭馃嚫$71.4k/yrOn-site2 weeks agoAdministrative - DP
System Administrator Journeyman - Secret Clearance with Security Clearance
NewDunhill Professional Search
San Antonio, TX馃嚭馃嚫$80k - $110k/yrHybridYesterdayAWSNagiosSplunk+7Technology - EA
Site System Administrator with Security Clearance
NewEmpower AI
San Antonio, TX馃嚭馃嚫$86.5k/yrOn-siteYesterdayOracleSQLTechnology - AO
Systems Administrator III with Security Clearance
NewAlpha Omega
San Antonio, TX馃嚭馃嚫$75k - $113.8k/yrOn-siteYesterdayEncryptionActive DirectoryAzure+1Technology - CO
Network Administrator (3rd Shift) with Security Clearance
NewCore4ce
San Antonio, TX馃嚭馃嚫HybridYesterdayDNSVMwareTechnology - AT
System Engineer 6 with Security Clearance
Avid Technology Professionals
San Antonio, TX馃嚭馃嚫Hybrid1 week agoMongoDBAgileAnsible+5Technology - BE
System Administrator Enterprise with Security Clearance
BEAT LLC
San Antonio, TX馃嚭馃嚫Hybrid2 months 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-site2 months agoOracleSQLSQL Server+1Technology - EP
Network and Computer Systems Administrator - (780) with Security Clearance
EPS Corporation
San Antonio, TX馃嚭馃嚫Hybrid1 week agoFiberActive DirectoryVMwareTechnology - BE
Endpoint Engineer - System Administrator with Security Clearance
NewBEAT LLC
San Antonio, TX馃嚭馃嚫HybridYesterdayEncryptionAzureZero TrustTechnology - BE
System Administrator (EM Services) with Security Clearance
BEAT LLC
San Antonio, TX馃嚭馃嚫Hybrid6 weeks agoSQLAzurePower BITechnology - BE
System Administrator Intermediate (PS) with Security Clearance
BEAT LLC
San Antonio, TX馃嚭馃嚫Hybrid6 weeks agoAzureZero TrustTechnology - BE
System Administrator - EM Development & Testi with Security Clearance
BEAT LLC
San Antonio, TX馃嚭馃嚫Hybrid2 months agoAzureTechnology - BE
System Administrator (PPS) with Security Clearance
BEAT LLC
San Antonio, TX馃嚭馃嚫Hybrid2 months agoAzureTechnology
Frequently asked questions
How many System Administrator jobs in San Antonio are available?
Haystack currently lists 35 live System Administrator jobs in San Antonio, with 7 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, Security Service Federal Credit Union, Dunhill Professional Search are actively hiring right now, alongside 14 other employers.