85 virtualization administrator jobs at 53 companies in Winchester, VA

3d
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Senior Virtualization Administrator
United States or Reston
$102k-$154k/yr RemoteFull Time
Applied Information Sciences
Applied Information Sciences: Delivers cloud transformation and software engineering services to organizations.
6+ YOERequires 6–8+ years of senior vSphere administration, 5+ years of senior Windows Server administration, PowerShell, disaster recovery, high availability, SAN, backup, networking, and Active Directory expertise.
VMware vSphere, ESXi, Windows Server, Windows Server 2019, Windows Server 2022, Windows Server 2025, NetApp, Veeam, PowerShell, Active Directory, DNS, TCP/IP, VLANs
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Senior Virtualization Administrator
United States or Reston
$102k-$154k/yr RemoteFull Time
Applied Information Sciences
Applied Information Sciences: Provides cloud transformation and software engineering services for enterprises.
6+ YOERequires 6–8+ years senior vSphere administration, 5+ years senior Windows Server administration, Public Trust clearance, PowerShell, disaster recovery, high availability, SAN, networking, and cloud migration experience.
VMware vSphere, ESXi, Windows Server, NetApp, Veeam, PowerShell, Active Directory, DNS, TCP/IP, VLANs
3w
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Systems Administrator
Sterling or Chantilly
$90k-$190k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
7+ YOETop Secret/SCI w/ Polygraph required, CompTIA Security+, 7+ years systems engineering/administration experience managing Windows Server, virtualization (VMware/Hyper-V/Nutanix), AD, and vulnerability remediation (Nessus).
Microsoft Windows Server, VMware, Hyper-V, Nutanix, Microsoft Exchange, Microsoft SQL Server, Skype for Business, Jira, Confluence, Nessus, Pure Storage, Dell PowerVault, Synology, RSA, CyberArk, Active Directory, DNS, DHCP, Group Policy, Microsoft SharePoint Server, Microsoft MECM/SCCM, McAfee, Trellix, Nakivo, Commvault
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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
1mo
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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
1mo
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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
1w
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Systems Administrator, Associate
Chantilly, Virginia, United States
$75k-$90k/yr OnsiteFull Time
American Systems
American Systems: Providing strategic engineering and IT solutions for government programs.
2+ YOERequires U.S. citizenship, ability to obtain Secret clearance and Security+ certification, 2–4 years of Microsoft systems administration experience, networking, virtualization, DoD STIGs, and Jira/Confluence experience.
Microsoft Windows, Linux, SCCM, Active Directory, Microsoft Active Directory, ACAS, DoD STIGs, VMware, vSphere, vCenter, Cisco Systems, Jira, Confluence
1mo
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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
3w
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Platform Administrator
Arlington or Sterling
$55k-$106k/yr OnsiteFull Time
Nightwing
Nightwing: Provides advanced cyber and intelligence solutions for national security.
0+ YOEU.S. citizen with active DoD Secret clearance and ability to obtain TS/SCI; experience in lab management or systems administration; proficiency with Linux/Mac imaging, VPN/VDI, Apple administration; BS in technical discipline or HS+3yrs relevant experience.
Cisco, Citrix, VMWare, AWS, Linux/Unix, MacOS, Apple, Virtual Private Network (VPN)
2mo
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Systems Administrator III (Domain & Server)
Manassas, Virginia, United States
$110k-$165k/yr OnsiteFull Time
American Systems
American Systems: Providing engineering and IT solutions to federal government agencies.
5+ YOEU.S. citizen required. Active Secret clearance and ability to obtain Top Secret/SCI. 5+ years systems administration with Windows and Linux, AD, DNS, DHCP, virtualization, storage, backup/recovery, cloud, automation (PowerShell/Ansible/Terraform), Splunk, and Git.
Active Directory, Exchange Server, DNS, DHCP, Linux, Windows, NUTANIX, SAN, NAS, PowerShell, Ansible, Terraform, Splunk, Git, AWS, Azure, GCP, VMware, Hyper-V
2w
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System Administrator III
Chantilly, Virginia, United States
$100k-$156k/yr OnsiteFull Time
Noblis
Noblis: Nonprofit science, technology, and strategy firm supporting government missions.
8+ YOERequires 8+ years of systems administration experience, qualifying education, active Top Secret clearance with SCI eligibility, U.S. citizenship, virtualization experience, and advanced systems security and infrastructure skills.
AWS GovCloud, SC2S, C2S, Docker, Kubernetes, LDAP, OpenLDAP, ADFS, Keycloak, Elasticsearch, Splunk, DevSecOps, SAFe
2mo
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Sr. System Administrator
Fort Belvoir or Reston
HybridFull Time
SMS Data Products Group
SMS Data Products Group: Provides IT infrastructure modernization and cybersecurity for federal agencies.
4+ YOEExperience administering Red Hat Enterprise Linux, automation with shell/Ansible, virtualization, security hardening/STIGs, log analysis, and strong troubleshooting; requires DoD Top Secret/SCI and DoD 8570 IAT II/III certification.
Red Hat Enterprise Linux, Red Hat Satellite, Ansible, Ansible Tower, Unix shell, Bash, Python, Kubernetes, Open Shift, Containers, GitHub, Apache Hadoop, Zookeeper, Puppet, JBoss, Tomcat, Jetty, NGINX, VMware, KVM, DoD STIGs
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Systems Administrator
Springfield or Herndon or Virginia
$180k-$325k/yr OnsiteFull Time
DPG Solutions
DPG Solutions: Automates IT infrastructure and DevSecOps for defense and government.
5+ YOERequires 5+ years of systems administration experience, Windows Server, Active Directory, VMware, System Center Configuration Manager and Operations Manager, approved security certification, US citizenship, TS/SCI, and Full Scope Polygraph.
Microsoft Windows Server, Microsoft Active Directory, VMware, Microsoft System Center Configuration Manager, Microsoft System Center Operations Manager, PowerShell, DNS, DHCP, PKI, SAN, NAS, STIGs, RMF
1mo
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Systems Administrator I
Frederick, Maryland, United States
$45/hr OnsiteFull Time
Frederick County Public Schools
Frederick County Public Schools: Public school district providing K-12 education in Frederick County.
4+ YOEManage and maintain enterprise IT/IS infrastructure, perform systems administration, implement security and backups, automate tasks with scripts, and provide incident/change management; requires 4 years systems administration experience and relevant IT certifications.
VBS, PowerShell, Windows, Linux, Active Directory, NAS, TCP/IP, Ethernet, VLAN, DHCP, DNS, SNMP, SMTP, iSCSI, Microsoft SCOM, WUG, Wireshark, VMware, Virtual Desktop Infrastructure, Microsoft SCCM
2d
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System Administrator
Springfield or Chantilly or United States
$110k-$140k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Global provider of engineering, technical, and mission support services.
4+ YOERequires 4+ years with Windows, Active Directory, DNS, DHCP, TCP/IP, and network troubleshooting; active Top Secret clearance with SCI eligibility; Security+ or DoD IAT II certification; current Microsoft Azure Administrator (AZ-104) certification.
Microsoft Windows, Microsoft Active Directory, DNS, DHCP, TCP/IP, Windows Server 2019, Windows 11 Enterprise, Microsoft Office 2019, ACAS, HBSS, Microsoft WSUS, PowerShell, VMware, HorizonView
1mo
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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
1mo
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Linux System Administrator
Chantilly or McLean
$120k-$160k/yr OnsiteFull Time
Altamira Technologies
Altamira TechnologiesNYSE: PSN: Provides data analytics and engineering for national security missions.
Experienced Linux system administrator for CDS sustainment: virtualization, Ansible automation, Git, Docker, Python/Bash scripting, SNMP/monitoring, patching, incident response; TS/SCI with CI poly required.
Red Hat Linux 7/8/9, Ansible, Git, Docker, Python, Bash, VMWare ESXi, ProxMox, SNMP, Cross Domain Solution (CDS)
1w
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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
6d
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Linux System Administrator
Herndon, Virginia, United States
$80k-$100k/yr OnsiteFull Time
AeroVironment
AeroVironmentNASDAQ: AVAV: Designs and manufactures unmanned aircraft and tactical missile systems.
3+ YOEBachelor's degree or equivalent experience; 3+ years Linux administration, 2+ years log analysis, auditing, network administration, and monitoring; active Secret clearance with willingness to obtain Top Secret.
Linux, Splunk, Zabbix, Ansible, Python, Bash, Wireshark, tcpdump, Nessus, VMware, Proxmox, Docker, IPsec, OpenVPN, SSL/TLS, NOC, SOC, IDS, VPN
4d
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System Administrator III
Purcellville or Washington or Mount Weather
$100k-$120k/yr OnsiteFull Time
Ashburn Consulting
Ashburn Consulting: Provides network engineering and cybersecurity services for government agencies.
3+ YOERequires active final Top Secret clearance with SCI eligibility, CCNA, 3–5 years of system administration experience, Windows Server and Active Directory expertise, Linux knowledge, U.S. citizenship, and controlled-environment experience.
Windows Server, Active Directory, Linux, Group Policy, PowerShell, IPv6, Microsoft Enterprise Architecture (EA), Technical Reference Model (TRM), VMware, Microsoft, Red Hat, CompTIA Security+, Configuration-management databases (CMDB)