202 windows administrator jobs at 90 companies in Winchester, VA

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Windows Senior System Administrator
Germantown, Maryland, United States
$100k-$120k/yr OnsiteFull Time
Edgewater Federal Solutions
Edgewater Federal Solutions: Provides IT and cybersecurity services to federal government agencies.
2+ YOEUS citizen with active Top-Secret or Q clearance,2+ years Windows Server administration,AD/GPO management,WSUS/SCCM patching,DISA STIG hardening,documentation skills,and ability to lift 50 lbs and mentor junior staff.
Windows Server, WSUS, SCCM, DISA STIGs, Active Directory, Group Policy Objects (GPO), MS Hyper-V, VMWare ESXi, VMware Horizon vCenter, PKI
1w
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Sr Windows System Administrator
Chantilly, Virginia, United States
$180k-$190k/yr OnsiteFull Time
Quantum Sky
Quantum Sky: Engineers mission-critical technology for federal government and defense sectors.
8+ YOE8+ years Windows systems administration experience; architecture and support of Windows infrastructure including AD, Group Policy, DNS, patching, file servers, Exchange; SCCM/MDT; backup/DR; troubleshooting; strong communication; travel up to 20%.
Active Directory, Group Policy, DNS, SCCM, MDT, Exchange Server, PowerShell, Python, Bash, VMware, Hyper-V, KVM, SQL Server, ServiceNow
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Classified Windows System Administrator
El Segundo or Chantilly
$75k-$113k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
3+ YOETS/SCI clearance and U.S. citizenship required. 3+ years enterprise Windows administration, 2+ years virtualization (VMware or Hyper-V). Must meet DoD 8570.01-m IAT Level II (CompTIA Security+). Experience with Citrix, Active Directory, NFS, and EM environments preferred.
Citrix, Windows Terminal Server, VMware, Hyper-V, Windows Admin Center, MS SQL, Puppet, PowerShell DSC, Ansible, Bash, PowerShell, Terraform, Python, NFS, Active Directory
2mo
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DS Windows System Administrator
Chantilly, Virginia, United States
OnsiteFull Time
Probity
Probity: Provides IT, cybersecurity, and engineering services to government agencies.
7+ YOE7+ years of Windows systems experience; Active Directory, scripting; patch management; enterprise security.
Active Directory, LDAP, Centrify, PowerShell, VB, Windows Server 2008/2012/2016, SCOM, ACS, Microsoft Exchange, Outlook, Symantec, McAfee, VMware, LAN/TCP-IP, Cisco networking
2mo
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Windows System Adminitrator
Chantilly, Virginia, United States
OnsiteFull Time
Closure Technologies
Closure Technologies: Global technology firm delivering data integration and processing solutions.
7+ YOE7+ years Windows systems experience; AD/LDAP/Centrify; patching; PowerShell/VB; Windows Server 2008/2012/2016; SCOM; Exchange and antivirus.
Active Directory, LDAP, Centrify, PowerShell, VBScript, Windows Server, SCOM, ACS, Microsoft Exchange, Symantec Antivirus, McAfee Antivirus
2mo
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Windows Engineer
Chantilly, Virginia, United States
OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
7+ YOEActive TS/SCI with Poly required. High school diploma and 7+ years managing Windows systems, Active Directory/LDAP/Centrify, PowerShell/VB scripting, Windows Server 2008/2012/2016, SCOM/ACS, Exchange/Outlook, patch management, and enterprise antivirus.
Microsoft Active Directory, LDAP, Centrify, PowerShell, VB, Windows Server 2008, Windows Server 2012, Windows Server 2016, Microsoft System Center Operations Manager (SCOM), Access Control Service (ACS), Microsoft Exchange, Microsoft Outlook, Symantec, McAfee, VMware
1mo
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Windows System Administrator
Chantilly, Virginia, United States
OnsiteFull Time
V2X
V2XNYSE: VVX: Provides logistics, facility management, and mission support services.
7+ YOE7+ years Windows systems experience; hands-on Active Directory, LDAP, Centrify; security patching, PowerShell/VB scripting; experience with Windows Server 2008/2012/2016, SCOM, ACS, Microsoft Exchange/Outlook, and enterprise antivirus.
Active Directory, LDAP, Centrify, PowerShell, VB, Windows Server 2008, Windows Server 2012, Windows Server 2016, Microsoft System Center Operations Manager (SCOM), Access Control Service (ACS), Microsoft Exchange, Microsoft Outlook, Symantec, McAfee, VMware 5, Cisco, TCP/IP, LAN, SAN
3mo
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Windows Systems Engineer
Herndon, Virginia, United States
OnsiteFull Time
VTG
VTG: Provides engineering and digital modernization solutions for national security.
16+ YOETop Secret/SCI clearance with poly, degree in related field, 16+ years in systems/cybersecurity engineering or Windows/Linux administration, strong enterprise security experience.
Trellix ENS, Trellix ePO, Trellix EDR, Trellix TIE, Trellix DXL, Data Loss Prevention, Active Directory, AWS, Azure, Virtualization, Enterprise databases, Network monitoring
1mo
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Windows Systems Engineer, RSCI Collaborative Services
Herndon, Virginia, United States
$117k-$167k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
3+ YOEActive TS/SCI with polygraph required; Associate's degree or listed security certs OR 3+ years networking, systems administration, and scripting experience; experience with Exchange, HyperV, AD, Group Policy, WSUS/ECM, and PowerShell.
Microsoft Exchange, Microsoft Skype for Business, Certificate Authority, Network Policy Service (802.1x), RADIUS, Microsoft Hyper-V, Microsoft Data Protection Manager (DPM), SFTP, Windows Server Update Services (WSUS), Microsoft Endpoint Configuration Manager (ECM), Microsoft PowerShell, Microsoft Active Directory, Group Policy, Linux, Windows
3w
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Systems Administrator
Reston, Virginia, United States
$83k-$110k/yr OnsiteFull Time
American College of Radiology
American College of Radiology: Provides accreditation and professional standards for medical imaging specialists.
3+ YOEBachelor's or equivalent, 3+ years systems administration with Windows/Linux and cloud/hybrid environments, AWS and Microsoft 365 experience, Active Directory/Entra ID, TCP/IP and Cisco networking, on-call participation.
Windows Server, Linux, AWS, EC2, S3, IAM, Microsoft 365, Microsoft Exchange Online, Microsoft SharePoint, Microsoft Teams, Active Directory, Entra ID, DNS, DHCP, GPO, TCP/IP, Cisco
3w
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Systems Administrator
Chantilly, Virginia, United States
OnsiteFull Time
Evans & Chambers Technology
Evans & Chambers Technology: Develops technology solutions and software for national defense missions.
Active TS/SCI with CI polygraph required, DoD 8570 IAT/IAM Level 2 compliance, extensive systems administration experience with UNIX/CentOS and Windows, Oracle knowledge, and DoD RMF experience.
Oracle, CENTOS, UNIX, Windows, Service Oriented Architecture (SOA)
2mo
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DevSecOps Systems Administrator
Reston, Virginia, United States
$87k-$182k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOEActive TS/SCI clearance, Security CE+ certification, Bachelor's in CS/IS or related, 5+ years systems administration experience, Windows/Linux administration, Kubernetes experience, and strong problem-solving and collaboration skills.
RHEL, OpenShift, Kubernetes, GitLab, Artifactory, JBoss, ActiveMQ, Oracle Database, Momentum, Sunflower Asset Management, Windows, Linux
3w
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System Administrator, Senior
Winchester, Virginia, United States
$62k-$141k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
3+ YOE3+ years system administration with on-premise and cloud (AWS/Azure/GCP), Windows/Linux administration, virtualization, networking/security, backup and DR, scripting (PowerShell/Bash/Python), Top Secret clearance, HS diploma/GED.
AWS, Azure, Google Cloud, Windows, Linux, VMware, Hyper-V, Docker, Kubernetes, PowerShell, Bash, Python
3w
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System Administrator, Senior
Winchester, Virginia, United States
$62k-$141k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
3+ YOE3+ years system administration with on-premise and cloud (AWS/Azure/GCP), Windows/Linux, virtualization, scripting (PowerShell/Bash/Python), backup/disaster recovery, and Top Secret clearance.
AWS, Azure, Google Cloud, Windows, Linux, VMware, Hyper-V, PowerShell, Bash, Python, Docker, Kubernetes
6d
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Systems Administrator Journeyman
Alexandria or Kearneysville
$74k-$120k/yr HybridFull Time, Contract
CyKor: Provides IT modernization and cybersecurity solutions for federal agencies.
3+ YOERequires 3–5+ years of systems administration experience, Windows Server and/or Linux expertise, enterprise networking knowledge, classified-environment experience, active Secret clearance, and Security+ CE or equivalent preferred.
Windows Server, Linux, Active Directory, Group Policy, DNS, DHCP, TCP/IP, VMware, Cisco, Cisco ISE, PowerShell, Bash, SIPRNet, DISA STIGs, Comply-to-Connect (C2C), PKI, CAC
2mo
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DevSecOps Systems Administrator
Reston, Virginia, United States
$87k-$182k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOEActive TS/SCI clearance, Security CE+ required, bachelor’s in a technical field, 5+ years systems administration experience, Windows/Linux admin, Kubernetes and OpenShift experience, strong problem-solving and collaboration skills.
Red Hat Enterprise Linux (RHEL), OpenShift Container Platform, Kubernetes, JBoss, ActiveMQ, GitLab, Artifactory, Oracle Database, Momentum, Sunflower Asset Management, Windows, Linux, NIST 800-53
2w
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Systems Administrator
Herndon or Washington or Riverdale
$112k-$179k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
8+ YOETS/SCI clearance (or ability to obtain), 8+ years system administration experience, Security+ (DoD 8570), experience with STIGs, Oracle/SQL Server, PowerShell, Windows and Red Hat, AWS and VMware.
Security Technical Implementation Guide (STIG), PowerShell, Microsoft Windows 2016, Red Hat Linux 8, Amazon Web Services (AWS), VMware, SQL Server, Oracle, Tomcat 8.5, Java OpenJDK/JRE 11+
1mo
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Senior IT Systems Administrator
Reston, Virginia, United States
$120k-$200k/yr HybridFull Time
Scout Space
Scout Space: Develops optical payloads and software for space domain awareness.
5+ YOE5+ years IT/systems administration experience, bachelor’s in IT/CS or equivalent, experience with MSPs, CMMC/NIST compliance, Windows/Linux administration, AWS and Azure, strong troubleshooting and communication skills.
AWS, Microsoft Azure/GCC High, Windows, Linux, CMMC, NIST 800-171, ISO27001
2mo
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Cloud Systems Administrator
Arlington or Sterling
OnsiteFull Time
Nightwing
Nightwing: Provides advanced cyber and intelligence solutions for national security.
3+ YOE3+ years of experience administering cloud-based systems; active TS/SCI clearance; US citizenship; strong Linux/Unix and Windows server administration; AWS experience.
AWS, Linux, Windows, TCP/IP, DNS, VPN, Firewall, Ansible, Puppet, Chef, Python, Bash, PowerShell, ITIL
2w
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System Administrator
Chantilly, Virginia, United States
$60k-$180k/yr OnsiteFull Time
M9 Solutions
M9 Solutions: Provides IT modernization and technology services to federal agencies.
5+ YOEActive TS/SCI clearance, Security+/CASP/CISSP, 5+ years IT/system administration experience (varies by education), Windows AD, patching/STIG application, virtualization, VDI, storage, networking, and team leadership experience.
Active Directory, VMware, Hypervisor, Citrix Xen Desktop, SQL, Dell EqualLogic, Dell Powervault, Microsoft Excel, Microsoft Word, Microsoft Visio, Microsoft PowerPoint, STIGs, IAVA