System Administrator Jobs in Arlington
79 live System Administrator roles in Arlington, United States. Apply directly on Haystack.
Last updated 18 August 2026. Job counts refresh daily.
As of 18 August 2026, Haystack lists 79 live System Administrator jobs in Arlington, with 38 added in the past week and typical advertised salaries of $102k to $151k. Employers hiring right now include Leidos, SHR CONSULTING GROUP, LLC and TEKsystems c/o Allegis Group. 4% of these roles are remote friendly.
Top companies hiring
plus 38 more companies hiring in this category
- New
Windows Systems Administrator
Leidos
Arlington, VA🇺🇸$73.5k - $132.8k/yr39 minutes agoOracleSQLSQL Server+1 moreTechnologyLE - New
Windows System Administrator
TEKsystems c/o Allegis Group
Arlington, VA🇺🇸$50 - $65/hr3 hours agoAWSTCP/IPActive Directory+3 moreTechnologyTC - New
Windows System Administrator with Security Clearance
TEKsystems c/o Allegis Group
Arlington, VA🇺🇸3 hours agoTCP/IPActive DirectoryPowerShell+2 moreTemporary/CasualTechnologyTC - New
Systems Administrator
NCI Information Systems, Inc.
Arlington, VA🇺🇸4 hours agoSQLAzureVMwareTechnologyNI - New
Windows System Administrator - TS/SCI Required
TEKsystems c/o Allegis Group
Arlington, VA🇺🇸$50 - $65/hr5 hours agoTCP/IPActive DirectoryPowerShell+2 moreTechnologyTC - New
Systems Administrator - Organizational Messaging Systems (OMS) with Security Clearance
SHR CONSULTING GROUP, LLC
Arlington, VA🇺🇸13 hours agoSQLOracleEncryptionTechnologySC - New
Windows System Adminstrator with Security Clearance
SDA Solutions LLC
Arlington, VA🇺🇸15 hours agoTCP/IPActive DirectoryPowerShell+2 moreTechnologySS - New
Systems Administrator - Mission Applications with Security Clearance
SHR CONSULTING GROUP, LLC
Arlington, VA🇺🇸15 hours agoJavaSQL.NET+3 moreTechnologySC - New
Watch Officer/Sys Admin - OMS (24x7x365) with Security Clearance
SHR CONSULTING GROUP, LLC
Arlington, VA🇺🇸15 hours agoRemoteAdministrativeSC - New
Systems Administrator - Storage Services with Security Clearance
SHR CONSULTING GROUP, LLC
Arlington, VA🇺🇸16 hours agoLESSFiberTechnologySCGet new System Administrator jobs in Arlington in your inbox
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- New
Senior Network Administrator
Chenega MIOS
Arlington, VA🇺🇸16 hours agoAWSTCP/IPAzure+1 moreTechnologyCM - New
Systems Administrator I
Kapitus
Arlington, VA🇺🇸$64.1k - $102.9k/yr16 hours ago401kAWSSOC 2+10 moreTechnologyKA - New
Storage Administrator (Entry Level to SME) TS/SCI with Poly REQ with Security Clearance
CGI
Arlington, VA🇺🇸17 hours agoFiberEncryptionAnsible+16 moreOtherCG - This week
Windows Systems Administrator
Tetrad Digital Integrity LLC
Arlington, VA🇺🇸YesterdayTCP/IPActive DirectoryPowerShell+2 moreTechnologyTD - This week
System Administrator Junior with Security Clearance
Dunhill Professional Search
Arlington, VA🇺🇸$90k/yrYesterdayAzureBashPowerShellInternship/StudentTechnologyDP - This week
Senior Systems Administrator
TechFlow, Inc.
Arlington, VA🇺🇸$75k - $85k/yr2 days agoAgileBashPowerShell+2 moreTechnologyTE - This week
Systems Administrator - 3rd Shift (TS/SCI)
Koniag, Inc.
Arlington, VA🇺🇸3 days ago401kAgileBash+6 moreTechnologyKO - This week
Linux Systems Administrator - Secret Clearance required
General Dynamics
Arlington, VA🇺🇸$131.8k - $178.3k/yr3 days ago401kTCP/IPAnsible+7 moreTechnologyGD - This week
Cloud Systems Administrator
Nightwing
Arlington, VA🇺🇸$99k - $206k/yr3 days ago401kAWSTCP/IP+8 moreTechnologyNI - This week
Systems Administrator - Senior (SharePoint) (CCSA)
Nemean Solutions LLC
Arlington, VA🇺🇸$145k/yr3 days ago401kTechnologyNS - This week
Senior Systems Engineer
Chenega MIOS
Arlington, VA🇺🇸3 days agoAWSAgileMicrosoft Office+1 moreTechnologyCM - This week
Senior Systems Administrator (Lead)
NCI Information Systems, Inc.
Arlington, VA🇺🇸$147k/yr3 days agoSQLActive DirectoryAzure+1 moreTechnologyNI - This week
System Administrator Senior
ASM Research
Arlington, VA🇺🇸4 days agoAWSAzureBash+2 moreTechnologyAR - This week
System Administrator Junior
ASM Research
Arlington, VA🇺🇸4 days agoAzureBashPowerShellTechnologyAR - This week
Tier 2 System Administrator with Security Clearance
Booz Allen Hamilton
Arlington, VA🇺🇸$62k - $141k/yr4 days agoActive DirectoryJiraVMwareTechnologyBA - This week
IT Systems Administrator with Security Clearance
Booz Allen Hamilton
Arlington, VA🇺🇸$62k - $141k/yr4 days agoPowerShellBashAWS+5 moreTechnologyBA - This week
Lead Systems Engineer
SYSTEMS PLANNING AND ANALYSIS, INC.
Arlington, VA🇺🇸$170k - $200k/yr4 days agoFull timeTechnologySP - This week
Systems Administrator, Lead (Linux/Windows)
American Systems Corporation
Arlington, VA🇺🇸$150k - $175k/yr4 days agoDockerOracleAnsible+3 moreTechnologyAS - This week
Senior Systems Administrator - TS/SCI Cleared
General Dynamics
Arlington, VA🇺🇸$93.7k - $115k/yr4 days agoActive DirectoryMicrosoft OfficeRESTTechnologyGD - This week
Senior Systems Administrator
Contact Government Services, LLC
Arlington, VA🇺🇸$101.9k - $131.0k/yr4 days agoTechnologyCG
Frequently asked questions
How many System Administrator jobs in Arlington are available?
Haystack currently lists 79 live System Administrator jobs in Arlington, with 38 added in the past week. Numbers refresh daily.
What do System Administrator jobs in Arlington pay?
Advertised salaries typically range from $102k to $151k per year, based on 40 live postings with advertised salaries.
Which companies are hiring for System Administrator jobs in Arlington?
Leidos, SHR CONSULTING GROUP, LLC, TEKsystems c/o Allegis Group, Booz Allen Hamilton, SDA Solutions LLC are actively hiring right now, alongside 39 other employers.
Are there remote System Administrator jobs in Arlington?
Yes. 3 of the current listings are remote friendly. Browse the remote-only view.