System Administrator Jobs in Mclean
27 live System Administrator roles in Mclean, United States. Apply directly on Haystack.
Last updated 19 October 2026. Job counts refresh daily.
As of 19 October 2026, Haystack lists 27 live System Administrator jobs in Mclean, with 4 added in the past week and typical advertised salaries of $110k to $163k. Employers hiring right now include MITRE Corporation, Leidos and SYSTEMS PLANNING AND ANALYSIS, INC..
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- LE
Sr. Systems Administrator with Security Clearance
Leidos
McLean, VA馃嚭馃嚫$92.3k - $166.8k/yrHybrid3 days agoJiraTechnology - MI
Associate System Administrator with Security Clearance
MITRE Corporation
McLean, VA馃嚭馃嚫$79.2k - $99k/yrOn-site4 days agoShellBashLESS+3Technology - LE
Principal Systems Administrator with Security Clearance
NewLeidos
McLean, VA馃嚭馃嚫$116.3k - $210.3k/yrHybrid23 hours agoActive DirectoryAgileConfluence+3Technology - SP
Lead Systems Engineer
SYSTEMS PLANNING AND ANALYSIS, INC.
McLean, VA馃嚭馃嚫$170k - $200k/yrHybrid1 week agoTechnology - AP
Systems Engineer with Security Clearance
NewArdent Principles, Inc.
McLean, VA馃嚭馃嚫$130k - $260k/yrOn-site23 hours agoOracleActive DirectoryPowerShell+2Technology - MI
Senior Classified Systems Administrator (Linux) with Security Clearance
MITRE Corporation
McLean, VA馃嚭馃嚫$129.2k - $161.5k/yrOn-site6 days agoAnsibleBashPowerShell+1Technology - BA
SAS Architect & System Administrator
Booz Allen Hamilton
McLean, VA馃嚭馃嚫$62k - $141k/yrOn-site1 week agoOracleSQLSQL Server+3Technology - IS
Network Systems Administrator III with Security Clearance
Iridium Satellite LLC
McLean, VA馃嚭馃嚫$95k - $125k/yrHybrid3 days agoActive DirectoryAnsibleLDAP+3Technology - CM
Operations Support Engineer / Systems Administrator with Security Clearance
Credence Management Solutions
McLean, VA馃嚭馃嚫$85k - $130k/yrHybrid4 days agoShellAWSAnsible+3Technology - CM
Senior Cloud Systems Administrator with Security Clearance
Credence Management Solutions
McLean, VA馃嚭馃嚫$145k - $160k/yrHybrid4 days agoDockerAWSNginx+16TechnologyGet new System Administrator jobs in Mclean in your inbox
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- SO
Azure DBA
System One
McLean, VA馃嚭馃嚫On-site2 weeks agoSQLEncryptionAgile+1Technology - SA
TS Cleared - Linux Systems Administrator
StaffRight Associates, LLC
McLean, VA馃嚭馃嚫$90k - $205k/yrOn-site3 weeks agoDockerFiberBash+4Technology - TS
TTG-368 - Oracle Exadata & Linux Systems Administrator - $315,45 with Security Clearance
TTG Solutions Inc.
McLean, VA馃嚭馃嚫$189k - $229k/yrHybrid1 week agoOracleLESSTechnology - HT
DB2 DBA with SQL or Oracle
Hexaware Technologies, Inc
McLean, VA馃嚭馃嚫Hybrid2 weeks agoMongoDBMySQLOracle+12Technology - PE
Front Office Systems Integrator (EXO) with Security Clearance
Peraton
McLean, VA馃嚭馃嚫$104k - $166k/yrHybrid3 days agoMicrosoft OfficeTechnology - MI
Intermediate Systems Engineer with Security Clearance
NewMITRE Corporation
McLean, VA馃嚭馃嚫$95.2k - $119k/yrOn-site23 hours agoMachine LearningTechnology - MI
Systems Engineer with Security Clearance
MITRE Corporation
McLean, VA馃嚭馃嚫$121.2k - $151.5k/yrOn-site5 weeks agoMATLABMachine LearningPythonTechnology - CD
Systems Administrator with Security Clearance
Cornerstone Defense
McLean, VA馃嚭馃嚫$190k - $210k/yrHybrid6 weeks agoActive DirectoryAnsibleKubernetes+1Technology - 2C
SharePoint Administrator with Security Clearance
22nd Century Technologies, Inc.
McLean, VA馃嚭馃嚫Hybrid2 weeks agoTechnology - SP
Systems Engineer
SYSTEMS PLANNING AND ANALYSIS, INC.
McLean, VA馃嚭馃嚫$95k - $165k/yrHybrid3 weeks agoTechnology - TA
Google Workspace Administrator
Auto ApplyTiger Analytics Inc.
McLean, Virginia馃嚭馃嚫Hybrid7 months agoGCPMarket ResearchGoogle Workspace+1 - IN
Systems Engineer with Security Clearance
Intrepid
McLean, VA馃嚭馃嚫Hybrid4 weeks agoTechnology - SA
Senior Staff Systems Engineer
Saab
McLean, NY馃嚭馃嚫$132k - $171.6k/yrHybrid2 months agoMATLABC++Java+1Technology - CP
Systems Administrator- Expert with Security Clearance
Crimson Phoenix
McLean, VA馃嚭馃嚫Hybrid2 weeks agoAzureTechnology - AF
Systems Administrator with Security Clearance
NewAscension Federal Services Inc
McLean, VA馃嚭馃嚫Hybrid23 hours agoAWSAzureVMwareTechnology - TS
Systems Administrator with Security Clearance
The Swift Group
McLean, VA馃嚭馃嚫$5k/moOn-site1 week agoSwiftTechnology - MI
Mission Systems Engineer, Senior with Security Clearance
MITRE Corporation
McLean, VA馃嚭馃嚫$121.2k - $151.5k/yrOn-site7 weeks agoMATLABSQLPythonTechnology
Frequently asked questions
How many System Administrator jobs in Mclean are available?
Haystack currently lists 27 live System Administrator jobs in Mclean, with 4 added in the past week. Numbers refresh daily.
What do System Administrator jobs in Mclean pay?
Advertised salaries typically range from $110k to $163k per year, based on 20 live postings with advertised salaries.
Which companies are hiring for System Administrator jobs in Mclean?
MITRE Corporation, Leidos, SYSTEMS PLANNING AND ANALYSIS, INC., Credence Management Solutions, Ardent Principles, Inc. are actively hiring right now, alongside 15 other employers.