HiringCafe
Join our community

204 windows server administrator jobs at 127 companies in Frederick, MD

1mo
Save
Mark Applied
Hide
Senior Server Windows Engineer
Washington, District of Columbia, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
10+ YOE10+ years administering enterprise Windows servers and cloud infrastructure across 2000+ servers; senior MS Server administration, PowerShell/VBScript scripting, VMware vSphere, AD/Entra, SCCM, patching, vulnerability remediation; U.S. citizen/green card holder able to obtain Public Trust.
Windows Server, Microsoft Graph, Microsoft PowerShell, VBScript, VMware vSphere, Active Directory, Microsoft Entra, System Center Configuration Manager (SCCM), Microsoft Endpoint Configuration Manager (MECM), Tenable Nessus, Qualys WAS, Inviciti, BigFix, Dell OpenManage Enterprise, Power BI, Microsoft Intune, AWS, Azure, Google Cloud, Oracle Cloud, ITSM
Job PostingView all
2mo
Save
Mark Applied
Hide
Linux/Windows Systems Administrator
Springfield, Virginia, United States
OnsiteFull Time
Ascension Federal Services
Ascension Federal Services: Provides IT services without mentioning the name.
4+ YOE4 years of experience in Linux/Windows server administration; Bachelor's in IT; Security+ or equivalent; Secret clearance.
Linux, Windows, Bash, Python, PowerShell, VMware, Hyper-V, Docker, Kubernetes, Ansible, Puppet, Chef, AWS, Azure, GCP, Firewalls, Security best practices
Job PostingView all
1mo
Save
Mark Applied
Hide
Sr Windows System Administrator
Chantilly, Virginia, United States
$180k-$190k/yr OnsiteFull Time
Tyto Athene
Tyto Athene: Provides IT services and digital transformation for government agencies.
8+ YOE8+ years Windows system administration experience; ability to architect and support Windows infrastructure; expertise in Active Directory, Group Policy, DNS, patching, SCCM/MDT, Exchange; backup/DR and troubleshooting; willingness to travel up to 20%.
Active Directory, Group Policy, DNS, Windows Server, Exchange Server, SCCM, MDT, PowerShell, Python, Bash, VMware, Hyper-V, KVM, SQL Server, ServiceNow
Job PostingView all
2mo
Save
Mark Applied
Hide
Senior Windows Administrator
Laurel, Maryland, United States
$100k-$245k/yr OnsiteFull Time
Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
5+ YOE5–10+ years Windows Server/MECM/SCCM; Active Directory; DISA STIG; CompTIA Security+; DoD environment; Secret clearance eligibility.
Microsoft Endpoint Configuration Manager (MECM/SCCM), Active Directory, Group Policy, DISA STIG, RMF
Job PostingView all
1mo
Save
Mark Applied
Hide
Senior Windows Systems Administrator
Bethesda, Maryland, United States
OnsiteFull Time
Black Canyon Consulting
Black Canyon Consulting: Provides specialized IT and scientific support to federal agencies
5+ YOE5+ years Windows systems administration experience, deep Active Directory expertise, hybrid cloud (AWS/GCP) experience, strong PowerShell automation skills, and hands-on experience with Microsoft server ecosystem and MECM/SCCM.
Windows Server 2019, Windows Server 2022, Active Directory (AD DS), Microsoft Entra ID, ADFS, IIS, SQL Server, Hyper-V, Microsoft Configuration Manager (MECM / SCCM), WSUS, Group Policy (GPO), System Center Virtual Machine Manager, Amazon Web Services, Google Cloud Platform, Microsoft Azure, PowerShell, Kerberos, NTLM, SAML
Job PostingView all
1mo
Save
Mark Applied
Hide
Principal Windows Systems Administrator - Polygraph
Dulles, Virginia, United States
$104k-$155k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
3+ YOEUS citizen with current Top Secret/SCI and polygraph (adjudicated within 5 years); meet 8140/8570 IAT Level II baseline; 3+ years IT experience (varies by degree); Windows Server, Active Directory, GPO, and classified environment experience required.
Windows Server, Active Directory, Group Policy, Microsoft Exchange, VMware, ServiceNow, Jira, HBSS, SolarWinds, Splunk, SAN, Linux, Cisco
Job PostingView all
1mo
Save
Mark Applied
Hide
Windows System Administrator (TS/SCI)
Fort Belvoir, Virginia, United States
OnsiteFull Time
Koniag Government Services
Koniag Government Services: Providing technical and professional services to federal agencies.
5+ YOE5+ years Windows admin experience; TS/SCI with polygraph; AD, GPO, Windows/RHEL expertise; secure/classified environments.
Windows Server, Windows Desktop, Active Directory, Group Policy, SCCM, Exchange, SharePoint, VMware, Red Hat Enterprise Linux, SAN/NAS, Networking
Job PostingView all
1mo
Save
Mark Applied
Hide
Principal Windows Systems Administrator - Polygraph
Dulles, Virginia, United States
$104k-$155k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
3+ YOERequires U.S. Top Secret/SCI with polygraph, meet 8140/8570 IAT Level II certs, 3+ years IT experience (degree-dependent), Windows Server/Active Directory administration, GPO, patching, backups, and classified environment experience.
Windows Server OS, Active Directory, Group Policy, VMWare, Microsoft Exchange, HBSS, Solar Winds, Splunk, ServiceNow, JIRA, SAN, LDAP, Windows AD, Cisco
Job PostingView all
3mo
Save
Mark Applied
Hide
Windows / Linux System Administrator - United States
Annapolis Junction, Maryland, United States
OnsiteFull Time
Maximus
MaximusNYSE: MMS: Provides government health and human services program administration.
7+ YOEManage and support enterprise telephony systems; Windows/Linux servers; security patches; on-call; 7+ years telephony experience; US citizenship; active Secret clearance.
Windows Server, Linux Server, VMware ESXi, VMware vCenter, Avaya, Call recording, Active Directory, DNS, DHCP, LDAP, IIS, PowerShell, Group Policy
Job PostingView all
2mo
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
Window System Administrator
National Harbor or Washington
$104k-$218k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
7+ YOEU.S. citizenship required; minimum 7 years Windows system administration experience; expertise with Windows Server, Active Directory, GPOs, DISA STIGs, patch management, vulnerability remediation, identity/access management; PowerShell preferred.
Windows Server, Active Directory, Group Policy Objects (GPOs), PowerShell, DISA STIGs, Public Key Infrastructure (PKI), Identity, Credential, and Access Management (ICAM)
Job PostingView all
1mo
Save
Mark Applied
Hide
Windows Systems Administrator - TS/SCI with Polygraph
Annapolis Junction or Washington or Colorado Springs or Tampa or Springfield
$111k-$150k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
8+ YOEActive TS/SCI with polygraph and U.S. citizenship required, 8+ years IT experience, bachelor\u0002s in IT or 10+ years experience in lieu, meet DoD 8140 certification (e.g., Security+ CE); Windows Server, Active Directory, GPO, PowerShell, STIG/HBSS, virtualization.
Group Policy Objects (GPO), Microsoft Windows Server, Active Directory, PowerShell, STIG, HBSS, SCAP
Job PostingView all
1mo
Save
Mark Applied
Hide
Windows Systems Administrator - TS/SCI with Polygraph
Annapolis Junction or Washington or Colorado Springs or Tampa or Springfield
$111k-$150k/yr OnsiteFull Time
General Dynamics Information Technology
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
8+ YOEActive TS/SCI with favorable polygraph, 8+ years related IT experience, DoD 8140 IAWF cert (e.g., Security+ CE), hands-on Windows Server/AD/GPO/PowerShell, STIG/HBSS compliance, virtualization and patch management experience; US citizenship required.
Group Policy Objects (GPO), Microsoft Windows Server, Microsoft Active Directory, PowerShell, STIG, HBSS, SCAP
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
Windows Systems Administrator
McLean, Virginia, United States
OnsiteFull Time
Fantom Corporation
Fantom Corporation: Provides specialized IT, engineering, and cybersecurity services for federal agencies.
Must be fully cleared with a recent polygraph; onsite work in McLean, VA. Experience administering Windows, Linux, and UNIX, managing servers/VMs/storage, supporting cloud (C2E) and EIT systems, troubleshooting, and documenting procedures.
Windows, Linux, UNIX, Red Hat OpenShift, Kubernetes, Commercial Cloud Enterprise (C2E), Enterprise Information Technology (EIT)
Job PostingView all
4w
Save
Mark Applied
Hide
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
Job PostingView all
1w
Save
Mark Applied
Hide
IT Systems Administrator (Windows, Zscaler, Solarwind)
Washington, District of Columbia, United States
$92k-$138k/yr OnsiteFull Time
NTT DATA
NTT DATA: Global provider of IT and business consulting services.
4+ YOE4+ years supporting Windows servers and PCs, ability to obtain Public Trust clearance, knowledge of AD/DNS/DHCP, SCCM/Intune, PowerShell, SolarWinds, Zscaler, M365, and strong documentation skills.
Windows Server, Active Directory, Group Policy, DHCP, DNS, Azure, SCCM, Intune, PowerShell, SolarWinds, Zscaler, M365
Job PostingView all
1mo
Save
Mark Applied
Hide
The One 23 Group - Windows Systems Administrator Team Lead
Arlington, Virginia, United States
OnsiteFull Time
The One 23 Group
The One 23 Group: Providing IT and cybersecurity services to federal government agencies.
10+ YOETop Secret clearance with SCI eligibility; DoD 8140/8570 IAT-II certification; 10+ years of enterprise Windows IT experience.
Windows Server, Active Directory, DNS, DHCP, VDI, VMware, PowerShell, vSphere, ESXi, vCenter, SAN, Backup and Recovery, Firewalls
Job PostingView all
2w
Save
Mark Applied
Hide
Sr. SQL Server Database Administrator (NIH)
Washington or United States
HybridFull Time
PBG Consulting
PBG Consulting: Technology consulting firm for U.S. federal agencies.
5+ YOE5+ years SQL Server DBA experience administering Windows SQL Server in on‑prem and cloud, backup/recovery, clustering, T‑SQL tuning, and SSRS/SSIS/SSAS support.
Microsoft SQL Server, Windows, Microsoft Azure, Microsoft SharePoint, Transparent Data Encryption, T-SQL, SQL Server Reporting Services (SSRS), SQL Server Integration Services (SSIS), SQL Server Analysis Services (SSAS), MySQL, Ubuntu
Job PostingView all
3mo
Save
Mark Applied
Hide
Microsoft SQL Server Database Administrator
Herndon, Virginia, United States
$112k-$179k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
8+ YOETS/SCI with polygraph or active TS with SCI ability; 8+ years SQL Server DBA; DoD 8570 Security+; BS in a related field; strong communication; STIG and Windows OS experience.
SQL Server, Windows Server, Encryption, Backups, Indexes, Query optimization, Database security, STIG, SSMS
Job PostingView all

Explore Jobs

Expand Your Job Search