117 active directory administrator jobs at 74 companies in Dundalk, MD
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Active Directory Administrator
Washington, District of Columbia, United States
OnsiteFull Time
6+ YOERequires 6+ years of experience, a bachelor's degree in IT or related field, Microsoft identity and access certification, Secret clearance, and expertise in Active Directory, RBAC, ACLs, group policies, domains, and ITIL.
Active Directory, Role Based Access Control (RBAC), Access Control List (ACL), Microsoft Group Policy, Information Technology Infrastructure Library (ITIL)
3mo
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Active Directory Systems Administrator - TS/SCI w/Poly
Annapolis Junction or Colorado Springs or Washington or Tampa or Springfield
$128k-$173k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
8+ YOE8+ years IT experience; TS/SCI with poly; AD DS/AD FS; GPO; DoD 8140 certs; US citizenship; onsite in Annapolis Junction, MD
Active Directory, Group Policy, DNS, Kerberos, NTLM, AD FS, Certificate Services, Federation Services
3mo
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Active Directory Systems Administrator - TS/SCI w/Poly
Annapolis Junction or Washington or Colorado Springs or MacDill AFB or Springfield
$128k-$173k/yr OnsiteFull Time
8+ YOE8+ years IT experience; TS/SCI with poly; AD, DNS, GPO expertise; DoD 8140 certs; US citizenship; onsite in Annapolis Junction, MD.
Active Directory, AD DS, AD FS, DNS, Group Policy, GPO, Kerberos, NTLM
1mo
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System Administrator (Active Clearance), Intelligence Systems
Reston, Virginia, United States
$112k-$149k/yr OnsiteFull Time
Experience administering Windows and Linux systems, maintaining classified hardware, virtualization (VMware, KVM, Hyper-V), scripting (PowerShell, Bash), Active Directory/Group Policy, and ability to work onsite in Northern Virginia with an active Top Secret/SCI clearance and full scope polygraph.
Linux, RedHat, CentOS, Debian, Windows, Active Directory, Group Policy, PowerShell, Bash, VMware, KVM, Hyper-V
2w
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Systems Administrator
Fort Meade, Maryland, United States
$100k-$175k/yr OnsiteFull Time
Requires active TS/SCI clearance, DoD 8570 baseline certification, server administration experience, virtualization, Active Directory, GPO, MFA, and root-cause troubleshooting expertise.
Linux, Microsoft Windows Server, Solaris, VMware, Teradici VDI, Active Directory, Group Policy Objects (GPO), PowerShell, Bash, Python
1mo
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Systems Administrator
Washington, District of Columbia, United States
$78k-$122k/yr OnsiteFull Time
3+ YOE3+ years systems administration experience, Windows domain/Active Directory, virtualization, Microsoft Azure, Tier I/II support, strong analytical and project management skills.
Microsoft Azure, Azure Active Directory, Active Directory, VMware, Hyper-V, KVM, OpenStack, Kubernetes, ITSM
2mo
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Systems Administrator
Hanover, Maryland, United States
$165k-$175k/yr OnsiteFull Time
2+ YOEAssociate degree or higher in a computer science-related field or two years of networking experience; Security+ CE, Windows administration, Active Directory, imaging, networking, and TS/SCI polygraph clearance required.
Microsoft Windows Server, Microsoft Windows, Active Directory, Microsoft MCM, PXE, TCP/IP, PowerShell, Microsoft SQL Server, Microsoft Certificate Authority, Atlassian Confluence, Atlassian Jira, Atlassian Bitbucket, Nagios, WhatsUp Gold, VMware, Linux
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System Administrator
Springfield or Virginia or United States
$110k-$140k/yr OnsiteFull Time
4+ YOERequires 4+ years with Windows environments, Active Directory, DNS, DHCP, TCP/IP, and network troubleshooting; active Top Secret clearance with SCI eligibility; Security+ or DoD IAT II certification; current 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, WSUS, Defense Information Systems Agency (DISA), Security Technical Implementation Guides (STIGs), Security Content Automation Protocol (SCAP/XCCDF), Microsoft Azure, VMware, HorizonView, PowerShell
1mo
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Systems Administrator
Reston, Virginia, United States
$83k-$110k/yr OnsiteFull Time
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
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Senior Virtualization Administrator
United States or Reston
$102k-$154k/yr RemoteFull Time
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
1w
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Systems Administrator
Washington, District of Columbia, United States
$90k-$140k/yr OnsiteFull Time
5+ YOEBachelor's degree in computer science, information technology, or related field; 5+ years of systems administration experience; Windows/Linux, MECM, SCOM, Active Directory, endpoint management, cybersecurity, and Tier III support expertise.
AWS, ServiceNow, UiPath, MECM, SCOM, Windows, Linux, Active Directory, Microsoft Azure, Ansible, Puppet, PowerShell, Docker, Kubernetes
1w
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Senior Systems Administrator
Boston or New York City or Washington
OnsiteFull Time
10+ YOEBachelor's degree, 10+ years technical experience, and extensive Windows Server, PowerShell, Active Directory, Group Policy, VMware, backup, security, and systems administration experience.
Windows Server, PowerShell, Active Directory, Group Policy, VMware vCenter, VMware ESXi, Veeam Backup and Replication, Microsoft 365, Entra, MFA, ManageEngine PAM360, ManageEngine Endpoint Central, Azure IaaS, Terminal Services, iManage
4w
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System Administrator
Annapolis Junction, Maryland, United States
OnsiteFull Time
8+ YOE8+ years system administration with VMWare, CentOS/RHEL, VDI, Active Directory/LDAP, Infoblox, Nagios, Splunk, Salt/Ansible, Tenable Nessus, Kickstart/Cobbler; CompTIA Security+ required; TS/SCI with Polygraph required.
VMWare, VMWare Horizon, CentOS, RHEL, Citrix VDI, Active Directory, LDAP, Centrify, Infoblox, Nagios, Splunk, Salt, Ansible, Tenable Nessus, Kickstart, Cobbler, Jira, Confluence, ServiceNow
5d
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Systems Administrator
Springfield or Herndon or Virginia
$180k-$325k/yr OnsiteFull Time
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
6d
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System Administrator III
Purcellville or Washington or Mount Weather
$100k-$120k/yr OnsiteFull Time
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)
2w
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Sr. SharePoint Administrator
Reston, Virginia, United States
HybridFull Time
5+ YOEBachelor's degree or equivalent experience, 5 years of SharePoint administration, SharePoint permissions troubleshooting, Microsoft 365 familiarity, Active Directory knowledge, and strong customer service and communication skills.
Microsoft SharePoint, Microsoft 365, Microsoft Teams, Microsoft OneDrive, Microsoft Power Automate, Microsoft Power Apps, Microsoft Outlook, Active Directory, Azure Active Directory, HTML, CSS, JSON, ShareGate, SharePoint Migration Tool (SPMT)
3w
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Systems Administrator
Alexandria, Virginia, United States
$105k-$125k/yr OnsiteFull Time
5+ YOE5+ years system administration experience, 2+ years with classified Windows/Active Directory systems; DoD 8140 IAT Level II certifications; expertise with AD, Exchange 2016/2019, RHEL9, DISA STIGs and STIG Viewer; active Top Secret clearance; ability to manage a team up to six.
Active Directory, Microsoft Exchange 2016, Microsoft Exchange 2019, STIG Viewer, DISA STIGs, RHEL 9, SCAP Validation Tool, WSUS, IVANTI, VMware ESXi, vCenter, vSphere
1w
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Senior Systems Administrator
Boston or New York City or Washington
$130k-$160k/yr OnsiteFull Time
10+ YOEBachelor's degree in computer information systems or related field; 10+ years technical experience; extensive Windows Server, Active Directory, VMware, PowerShell, backup, security, and infrastructure administration experience.
Windows Server, PowerShell, Active Directory, Group Policy, VMware vCenter, VMware ESXi, Veeam Backup and Replication, Microsoft Entra, MFA, ManageEngine PAM360, ManageEngine Endpoint Central, Azure IaaS, Terminal Services, iManage, Microsoft 365
1mo
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Systems Administrator II
Rockville, Maryland, United States
$95k-$119k/yr OnsiteFull Time
4+ YOE4+ years systems administration experience across on-premises and cloud (VMware, Azure, Microsoft 365). Proficiency with Windows Server, Active Directory, virtualization, storage, PowerShell, and enterprise application support.
Windows Server, Active Directory, DNS, DHCP, Group Policy, VMware vSphere, vCenter, SAN, NAS, Microsoft Azure, Microsoft 365, Exchange Online, Microsoft Teams, SharePoint Online, OneDrive, Microsoft Entra ID, Microsoft Intune, Entra Connect, Veeam, PowerShell
2mo
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Systems Administrator
Windsor Mill, Maryland, United States
$60k-$70k/yr OnsiteFull Time
3+ YOEOnsite 5 days/week in Windsor Mill. Minimum 3 years system administration/helpdesk experience. Strong knowledge of Windows Server, Active Directory, Microsoft Exchange/Office 365, DNS, DHCP, group policy, virtualization, backups, VPN/MDM, and Tier 2 troubleshooting.
Windows Server, Linux, Active Directory, Microsoft Exchange, Microsoft Office 365, DNS, DHCP, Group Policy, VMware, Hyper-V, VPN, MDM
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