67 windows server administrator jobs at 32 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
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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
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
1mo
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Systems Administrator I (Domain & Server)
Manassas, Virginia, United States
$90k-$130k/yr OnsiteFull Time
American Systems
American Systems: Providing engineering and IT solutions to federal government agencies.
1+ YOE1-3 years systems administration experience; experience with Windows/Linux, Active Directory, Exchange, DNS, DHCP; holds 8570/8140 IAT Level II cert; U.S. citizenship and active Secret clearance required.
Microsoft Server, Active Directory, Exchange Server, DNS, DHCP, Group Policy, Windows, Linux, NUTANIX, VMware, Hyper-V, AWS, Azure, GCP, PowerShell, Ansible, Terraform, Splunk, Git
2mo
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Oracle PeopleSoft Administrator
Chantilly or McLean
$105k-$231k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
3+ YOEBachelor's in CS/IS or equivalent, 3+ years PeopleSoft administration, PeopleTools/WebLogic, Oracle/SQL Server, Linux/Windows Server, Integration Broker, scripting, performance tuning. Active TS/SCI with polygraph required.
Oracle PeopleSoft, Oracle WebLogic Server, PeopleTools, Application Designer, Change Assistant, PeopleSoft Process Scheduler, Integration Broker, Oracle Database, Microsoft SQL Server, Linux, Windows Server, Elastic Search, Ansible, Jenkins, PeopleSoft PUM, SQL
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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
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DevOps Systems Administrator
Chantilly, Virginia, United States
$87k-$182k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOEBachelor's degree, 5+ years of experience, active TS/SCI clearance with polygraph, Security+ certification, Windows and IIS experience, AWS server administration, and ability to manage competing priorities.
Windows Server, Amazon Web Services (AWS), IIS, WordPress, RDS Database, Amazon EC2, Amazon S3, Amazon RDS, Amazon ELB, Active Directory, DNS, MySQL, PHP, JIRA, PKI, PowerShell
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MCM Deployment Administrator
Washington or Sterling
$135k-$216k/yr RemoteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
5+ YOEBachelor's and 12 years, or equivalent education and experience; U.S. citizenship; active Secret clearance; Windows Server, MCM/MECM, scripting, Intune or Azure Arc experience; Windows certification or equivalent.
Microsoft Configuration Manager, Microsoft SQL Server, Microsoft PowerShell, VB, Microsoft Intune, Azure Arc, Active Directory, DNS, Group Policy Management, Microsoft BitLocker, Windows Server, Windows 11, AWS, Azure
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MCM Deployment Administrator
North America or Washington, DC or Sterling
$135k-$216k/yr RemoteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
5+ YOERequires U.S. citizenship, active Secret clearance, Windows Server and Microsoft Configuration Manager experience, scripting, Intune or Azure Arc, and Windows technology certification.
Windows Server, Microsoft Configuration Manager (MCM/MECM), Microsoft PowerShell, VB, Microsoft Intune, Azure Arc, Active Directory, DNS, Group Policy Management, Azure, AWS, Windows 11, Microsoft BitLocker, Microsoft SQL Server
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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
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
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Systems Administrator
Chantilly, Virginia, United States
OnsiteFull Time
NS2 Mission
NS2 Mission: Delivers secure data management and analytics for national security.
Bachelor's degree or equivalent, experience administering Windows/Linux servers, patching, backups, monitoring, troubleshooting, and documentation; TS/SCI with FSP required; virtualization and scripting experience preferred.
Windows, Linux, VMware, Hyper-V, Active Directory, Group Policy, PowerShell, Bash, Python
1w
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Systems Administrator
Chantilly, Virginia, United States
$55k-$75k/yr OnsiteFull Time
Tecolote Research
Tecolote Research: Provides defense acquisition consulting, analytics, and software solutions.
3+ YOEExperience administering Microsoft 365/Exchange Online and Intune, Windows Server/AD/DNS/DHCP, server and hardware maintenance, exposure to VMware, Zscaler, or AWS, scripting (PowerShell/Python), and relevant certifications.
Microsoft 365, Exchange Online, Intune, PureStorage, Ubiquiti, Unifi, VMware, vSphere, vCenter, ESXi, Horizon View, Zscaler, ZIA, ZPA, ZDX, AWS, EC2, S3, Terraform, PowerShell, Python
2mo
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Systems Administrator
Herndon, Virginia, United States
OnsiteFull Time
Bridge Core
Bridge Core: Provides technical services and cybersecurity solutions to government agencies.
Windows desktop/server support, Azure AD, Defender, PowerShell, M365, documentation, and troubleshooting; TS/SCI with Poly preferred.
Windows 10+, Windows Server 2019+, Active Directory, Group Policy, DNS, DHCP, PowerShell, Azure Active Directory, Defender, Rapid7, Azure Virtual Desktop, Microsoft 365, Terraform, Visual Studio Code, Git, KQL/SQL
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Systems and Network Administrator
Germantown, Maryland, United States
$150k-$175k/yr OnsiteFull Time
ASM ResearchNYSE: ACN: Provides IT and healthcare services to government agencies.
8+ YOE8+ years systems/network engineering experience with Windows Server, Azure, Cisco/Juniper networking, Palo Alto firewalls, virtualization, and strong troubleshooting and documentation skills.
Juniper, Cisco, Palo Alto Networks, PAN-OS, Panorama, Windows Server, Microsoft Entra ID, Microsoft Azure, Hyper-V, VMware ESXi, Azure Monitor, Log Analytics, Azure Backup, CMDB, SolarWinds, Wireshark, Event Viewer, PowerShell, Azure CLI, Terraform, ARM templates
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Senior Systems Administrator
Reston, Virginia, United States
OnsiteFull Time
Securiport
Securiport: Provides biometric and big data solutions for global border security.
6+ YOE6+ years systems administration experience with Windows Server, Microsoft Exchange, Microsoft 365, SANs, backup systems and networking; bachelor\u0002s degree (or 10 years experience); strong troubleshooting, security, and leadership skills.
Microsoft Windows Server, Microsoft Exchange, Microsoft 365, Active Directory, Group Policy, DNS, DHCP, Veeam, Symantec Backup, SAN, routers, switches, firewalls, VPNs
1mo
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Systems Administrator
Chantilly, Virginia, United States
OnsiteFull Time
Bana Solutions
Bana Solutions: Provides software engineering, cybersecurity, and data solutions for government agencies.
4+ YOEAdminister Windows Server and Active Directory, develop PowerShell automation, troubleshoot enterprise infrastructure, and support identity/access management in a secure government environment.
Microsoft Windows Server, Microsoft Active Directory, PowerShell, Group Policy, DNS, DHCP, TCP/IP, SailPoint IdentityIQ, CyberArk, Linux, Bash, AWS, Privileged Access Management (PAM)
1mo
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Network & Infrastructure Administrator
Chantilly or Washington
OnsiteFull Time
IDEMIA
IDEMIA: Identity and security solutions using biometrics and cryptography.
3+ YOEMinimum 3 years of hands-on IT infrastructure experience; Associate's in IT/CS/Information Systems (or equivalent experience); experience with Aruba CX/ClearPass, Forcepoint, TCP/IP, VLANs, routing, VPN, Microsoft Windows Server/Active Directory, VMware/Hyper-V, Veeam, SAN/NAS, and Microsoft SQL Server.
Aruba CX Switching, Aruba ClearPass, Forcepoint Firewalls, TCP/IP, VLANs, Routing & Switching, VPN, Structured Cabling, Fiber Optics, Microsoft Windows Server, Microsoft Active Directory, DNS, DHCP, Group Policy, PowerShell, VMware vSphere, Microsoft Hyper-V, Proxmox, Veeam, SAN, NAS, Microsoft SQL Server