System Administrator Jobs in Herndon
34 live System Administrator roles in Herndon, United States. Apply directly on Haystack.
Last updated 16 September 2026. Job counts refresh daily.
As of 16 September 2026, Haystack lists 34 live System Administrator jobs in Herndon, with 1 added in the past week and typical advertised salaries of $134k to $161k. Employers hiring right now include Peraton, Stem Xpert and Cornerstone Defense.
Top companies hiring
plus 13 more companies hiring in this category
- TS
Systems Administrator with Security Clearance
NewThe Swift Group
Herndon, VA馃嚭馃嚫On-siteYesterdayOracleSwiftAWS+2Technology - BO
Systems Administrator (Experienced or Senior) with Security Clearance
Boeing
Herndon, VA馃嚭馃嚫$102.8k - $139.2k/yrHybrid1 week agoAWSActive DirectoryAzure+4Technology - PE
Identity/ Directory Services Administrator, Advisor with Security Clearance
Peraton
Herndon, VA馃嚭馃嚫$112k - $179k/yrHybrid1 week agoActive DirectoryComplianceHTTPS+1 - PE
Systems Storage Administration, Advisor with Security Clearance
Peraton
Herndon, VA馃嚭馃嚫$104k - $166k/yrHybrid1 week agoAdministrative - MS
Sr. Systems Engineer III (6706) with Security Clearance
MetroStar Systems Inc.
Herndon, VA馃嚭馃嚫$166k - $202k/yrHybrid1 week agoSAFeAWSMLOps+2Technology - AM
Windows Systems Engineer, Region Services Corporate Infrastructu with Security Clearance
Amazon
Herndon, VA馃嚭馃嚫$91k - $152k/yrHybrid2 weeks agoAWSActive DirectoryAnsible+4Technology - SX
Full-time & contract opportunity for NETEZZA DATABASE ADMIN
Stem Xpert
Herndon, VA馃嚭馃嚫On-site12 years agoTechnology - SX
VMware system engineer
Stem Xpert
Herndon, VA馃嚭馃嚫On-site10 years agoOracleTCP/IPDNS+4Technology - SX
Netezza DBA
Stem Xpert
Herndon, VA馃嚭馃嚫On-site10 years agoLESSTechnology - SX
JIRA Administrator for FULL-TIME
Stem Xpert
Herndon, VA馃嚭馃嚫On-site11 years agoAgileConfluenceJiraTechnologyGet new System Administrator jobs in Herndon in your inbox
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- PE
Systems Administrator Advisor, Shift 2 with Security Clearance
NewPeraton
Herndon, VA馃嚭馃嚫$86k - $138k/yrHybridYesterdayTechnology - MA
System Engineer with Security Clearance
NewMAXISIQ, Inc.
Herndon, VA馃嚭馃嚫HybridYesterdayTechnology - LE
System Administrator
Leidos
Herndon, VA馃嚭馃嚫$92.3k - $166.8k/yrOn-site3 weeks agoOracleMicrosoft OfficeTechnology - VT
Systems Administrator Expert with Security Clearance
VTG
Herndon, VA馃嚭馃嚫Hybrid2 weeks agoAWSScrumAgile+4Technology - ET
System Administrator with Security Clearance
Einstein Technologies
Herndon, VA馃嚭馃嚫Hybrid3 weeks agoBashGPTPerl+2Technology - SY
Mid-Level Systems Administrator [$273k/yr+] TS/SCI-FS Poly with Security Clearance
SYSTOLIC
Herndon, VA馃嚭馃嚫$273k/yrHybrid3 weeks agoOracleHTTPSDNS+1Technology - PE
Systems Administrator with Security Clearance
Peraton
Herndon, VA馃嚭馃嚫$112k - $179k/yrHybrid2 weeks agoOracleSQLSQL Server+5Technology - GD
Advanced Systems Admin Specialist with Security Clearance
General Dynamics Mission Systems
Herndon, VA馃嚭馃嚫$139.9k - $148k/yrHybrid3 weeks agoAR/VRActive DirectoryBlockchainTechnology - TI
Systems Administrator
Two95 International Inc.
Herndon, Virginia馃嚭馃嚫Hybrid7 months agoActive DirectoryAzurePowerShellTechnology - CA
Classified Systems Administrator and ISSO with Security Clearance
CACI
Herndon, VA馃嚭馃嚫$103.8k - $218.1k/yrOn-site4 days agoSQLSQL ServerActive Directory+4Technology - CD
Network Administrator with Security Clearance
Cornerstone Defense
Herndon, VA馃嚭馃嚫$150k - $220k/yrHybrid5 weeks agoTechnology - LM
Tier 2 Systems Admin Support
Lockheed Martin Corporation
Herndon, VA馃嚭馃嚫$97.1k - $171.2k/yrHybrid5 weeks agoSAFeAWSAgile+1Technology - TA
Senior Window Systems Administrators FSP with Security Clearance
NewTENICA and Associates LLC
Herndon, VA馃嚭馃嚫HybridYesterdayTechnology - TA
Systems Administrator FSP with Security Clearance
NewTENICA and Associates LLC
Herndon, VA馃嚭馃嚫HybridYesterdayTechnology - CD
Systems Administrator SME with Security Clearance
Cornerstone Defense
Herndon, VA馃嚭馃嚫Hybrid2 months agoAWSActive DirectoryAgile+3Technology - CD
System Administrator with Security Clearance
Cornerstone Defense
Herndon, VA馃嚭馃嚫Hybrid2 months agoAWSActive DirectoryAzure+4Technology - CP
Systems Administrator- Senior with Security Clearance
Crimson Phoenix
Herndon, VA馃嚭馃嚫Hybrid1 week agoTechnology - TS
TTG-295 - Systems Administrator - $269,150 Total Compensation with Security Clearance
TTG Solutions Inc.
Herndon, VA馃嚭馃嚫$161k - $195k/yrHybrid1 week agoAgileHuman Resources - TA
Systems Engineer FSP with Security Clearance
NewTENICA and Associates LLC
Herndon, VA馃嚭馃嚫Hybrid2 days agoAgileTechnology - PE
Cyber Systems Administrator with Security Clearance
Peraton
Herndon, VA馃嚭馃嚫$112k - $179k/yrHybrid2 weeks agoOracleSQLAWS+5Technology
Frequently asked questions
How many System Administrator jobs in Herndon are available?
Haystack currently lists 34 live System Administrator jobs in Herndon, with 1 added in the past week. Numbers refresh daily.
What do System Administrator jobs in Herndon pay?
Advertised salaries typically range from $134k to $161k per year, based on 17 live postings with advertised salaries.
Which companies are hiring for System Administrator jobs in Herndon?
Peraton, Stem Xpert, Cornerstone Defense, TENICA and Associates LLC, Crimson Phoenix are actively hiring right now, alongside 14 other employers.