System Administrator Jobs in Columbia
28 live System Administrator roles in Columbia, United States. Apply directly on Haystack.
Last updated 17 September 2026. Job counts refresh daily.
As of 17 September 2026, Haystack lists 28 live System Administrator jobs in Columbia, with 3 added in the past week. Employers hiring right now include AT&T Government Solutions, Infojini Inc and Power3 Solutions.
Top companies hiring
plus 15 more companies hiring in this category
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Lead Linux System Administrator 3 with Security Clearance
NewGeon Technologies
Columbia, MD馃嚭馃嚫$195k - $250k/yrHybridYesterdayOracle5GAWS+1Technology - PS
Senior System Deployment Engineer with Security Clearance
Power3 Solutions
Columbia, MD馃嚭馃嚫$245k - $285k/yrHybrid6 days agoSpringSpring Boot5G+4Technology - EI
Systems Engineer with Security Clearance
Envision Innovative Solutions
Columbia, MD馃嚭馃嚫Hybrid6 days agoTechnology - AG
Senior Systems Administrator (Government) with Security Clearance
NewAT&T Government Solutions
Columbia, MD馃嚭馃嚫$89.2k - $220.5k/yrOn-siteYesterdayFiberBashPowerShell+2Technology - CA
Linux Systems Administrator with Security Clearance
CACI
Columbia, MD馃嚭馃嚫$86.6k - $181.8k/yrHybrid6 days agoTechnology - CT
System Administrator 2 with Security Clearance
CyberCore Technologies
Columbia, MD馃嚭馃嚫$145k - $172k/yrHybrid2 weeks agoTechnology - PS
SkillBridge Internship, Service Now (SNOW) System Administrator with Security Clearance
NewPower3 Solutions
Columbia, MD馃嚭馃嚫Hybrid22 hours agoTechnology - AE
Trimble Unity Maintain/Cityworks Administrator (Airports)
AECOM
Columbia, SC馃嚭馃嚫$90k - $145k/yrHybrid2 weeks agoSQLSQL ServerETL+2Technology - SX
SAN Administrator
Stem Xpert
Columbia, MO馃嚭馃嚫On-site10 years agoEngineering - MI
DevSecOps Systems Administrator with Security Clearance
Mount Indie, LLC
Columbia, MD馃嚭馃嚫$210k - $228k/yrHybrid2 weeks agoEncryptionAnsibleGit+5TechnologyGet new System Administrator jobs in Columbia in your inbox
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SCCM Engineer
Infojini Inc
Columbia, SC馃嚭馃嚫On-site9 years agoTCP/IPTechnology - IN
Oracle Database Administrator
Infojini Inc
Columbia, SC馃嚭馃嚫On-site9 years agoOracleSQLTechnology - IN
z/os systems programmer
Infojini Inc
Columbia, SC馃嚭馃嚫On-site9 years agoTechnology - BA
System Administrator, Senior with Security Clearance
NewBooz Allen Hamilton
Columbia, MD馃嚭馃嚫$77.6k - $176k/yrOn-siteYesterdayAWSAnsibleApache+8Technology - CD
Sr. Oracle Database Administrator with Security Clearance
CDIT LLC
Columbia, MD馃嚭馃嚫Hybrid3 weeks agoOracleShellVaultTechnology - AM
Systems Administrator / Service Desk with Security Clearance
Amentum
Columbia, MD馃嚭馃嚫On-site3 weeks agoActive DirectoryJiraVMwareTechnology - CT
System Administrator 3 with Security Clearance
NewCyberCore Technologies
Columbia, MD馃嚭馃嚫$120k - $186k/yrHybridYesterdayTechnology - OR
Senior Systems Engineer
Oracle Corporation
Columbia, MO馃嚭馃嚫$36 - $71/hrHybrid4 weeks agoOracleSQLSQL Server+2Technology - AG
Land Mobile Radio (LMR) System Administrator (Government) with Security Clearance
NewAT&T Government Solutions
Columbia, MD馃嚭馃嚫$72k - $124.4k/yrOn-siteYesterdayFiberLESSTechnology - MA
System Administrator with Security Clearance
MANTECH
Columbia, MD馃嚭馃嚫Hybrid7 weeks agoAWSTechnology - KR
LINUX Systems Administrator Level 1 with Security Clearance
KRYPTAURI
Columbia, MD馃嚭馃嚫Hybrid1 week agoAnsibleLDAPProxmoxTechnology - CG
IT System Administrator Level II with Security Clearance
Cencore Group
Columbia, MD馃嚭馃嚫Hybrid2 weeks agoTechnology - DC
Senior System Administrator with Security Clearance
NewDCCA
Columbia, MD馃嚭馃嚫Hybrid2 days agoRESTTechnology - PR
Systems Administrator with Security Clearance
NewPrism, Inc.
Columbia, SC馃嚭馃嚫Hybrid2 days agoNagiosSplunkActive Directory+1Technology - AG
Systems Administrator (Government) with Security Clearance
NewAT&T Government Solutions
Columbia, MD馃嚭馃嚫$89.2k - $170k/yrOn-site2 days agoFiberLESSVMwareTechnology - BA
Network Operations Center Tier II Systems Administrator with Security Clearance
Booz Allen Hamilton
Columbia, MD馃嚭馃嚫$61.9k - $141k/yrOn-site2 weeks agoDockerAnsibleApache+2Technology - PA
System Administrator (TS-SCI w/Poly) with Security Clearance
Parsons
Columbia, MD馃嚭馃嚫$49 - $85/hrHybrid2 months agoVMwareTechnology - AL
Linux Admin with Security Clearance
ALKU
Columbia, MD馃嚭馃嚫Hybrid2 months agoShellCompliancePython+1
Frequently asked questions
How many System Administrator jobs in Columbia are available?
Haystack currently lists 28 live System Administrator jobs in Columbia, with 3 added in the past week. Numbers refresh daily.
Which companies are hiring for System Administrator jobs in Columbia?
AT&T Government Solutions, Infojini Inc, Power3 Solutions, CyberCore Technologies, Booz Allen Hamilton are actively hiring right now, alongside 16 other employers.