416 windows systems administrator jobs at 192 companies in Timonium, MD

1w
Save
Mark Applied
Hide
Windows Systems Administrator
Arlington, Virginia, United States
OnsiteFull Time
Integrated Computer Solutions
Integrated Computer Solutions: A government services provider delivering enterprise IT, mission IT, and cybersecurity capabilities.
10+ YOERequires active Top Secret clearance with SCI eligibility, DoD 8140/8570 IAT-II certification, and 10 years of enterprise Windows systems engineering or administration experience.
Windows, Active Directory, VMware, Virtual Desktop, DNS, DHCP, SAN, PowerShell
2w
Save
Mark Applied
Hide
Windows Systems Administrator
Alexandria, Virginia, United States
$140k-$200k/yr OnsiteFull Time
B&A
B&A: Provides IT systems integration and data services to federal agencies.
0+ YOEAdminister and sustain Windows server/workstation environments, support LAN/WAN operations, diagnose and resolve complex system/network issues; TS/SCI clearance required; 0+ years specialized experience; bachelor\u0002s degree preferred.
Windows Server
1w
Save
Mark Applied
Hide
Windows Systems Administrator
Washington, District of Columbia, United States
OnsiteFull Time
Empower AI
Empower AI: Providing AI-enabled technology solutions for federal government agencies.
5+ YOERequires 5+ years of experience, a bachelor's in IT or related field, Microsoft Windows Server Hybrid Administrator certification, and Secret clearance. Sec+ and ITIL 4 are preferred.
Active Directory (AD), System Center Configuration Manager, Travel Document Issuance System, Passport Records Imaging System Management, Automated Cash Register System, vSphere Installation Bundles (VIBs), Oracle, SQL, ServiceNow
3w
Save
Mark Applied
Hide
Senior Windows Systems Administrator
Washington or Sterling or United States
$112k-$179k/yr RemoteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
10+ YOEU.S. citizen with active Secret clearance, 10+ years Windows Server administration, 7+ years Active Directory experience, 3+ years PowerShell/VB scripting, and knowledge of government IT security.
Windows Server, Microsoft Active Directory, PowerShell, VBScript, Microsoft Project, Microsoft Visio, Windows 11
2mo
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
3w
Save
Mark Applied
Hide
Senior Windows Systems Administrator
Washington or Sterling
$112k-$179k/yr RemoteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
10+ YOEExperience administering Windows Server (2016-2025), Active Directory, DNS/DHCP, PowerShell/VBScript scripting, knowledge of gov IT security, and U.S. citizenship with active Secret clearance.
Windows Server, Active Directory, PowerShell, VBScript, Microsoft Project, Microsoft Visio, Windows 11, DNS, DHCP, EMR
2w
Save
Mark Applied
Hide
Sr. Windows Systems Administrator
Columbia, Maryland, United States
$145k-$165k/yr OnsiteFull Time
Astrion
Astrion: Provides engineering, cybersecurity, and mission support services.
8+ YOEActive TS/SCI clearance, bachelor's or equivalent, 8+ years Windows/AD admin in classified DoD environments, RMF/STIG/C2C experience, PowerShell automation, MECM/WSUS patching, ACAS/Nessus/SCAP and SIEM familiarity.
Windows Server, Windows 11, Active Directory, PowerShell, Microsoft Endpoint Configuration Manager, MECM, WSUS, MDT, WDS, ACAS, Nessus, SCAP, SIEM, Microsoft SharePoint, Hyper-V, NetApp, SAN, Git, Microsoft Defender for Endpoint, AppLocker, WDAC, Azure Government
1w
Save
Mark Applied
Hide
Windows/Linux Systems Administrator
Hanover, Maryland, United States
$128k-$214k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
10+ YOEBachelor's degree in a technical discipline plus 10 years of systems administration experience, or 15 years without a degree. Requires Windows, Linux, networking, infrastructure, scripting, and troubleshooting expertise.
Windows 11, Ubuntu, Fedora, Juniper, DNS, DHCP, Active Directory, Group Policy, Remote Desktop Services, Hyper-V, PowerShell, Cisco, Dell, HP Device Manager, Splunk, Zabbix, Syslog-ng
1mo
Save
Mark Applied
Hide
Windows & Linux Systems Administrator
Washington, District Of Columbia, United States
$110k-$140k/yr HybridFull Time
ASM ResearchNYSE: ACN: Provides IT and healthcare services to government agencies.
3+ YOE3+ years Windows/Linux systems administration experience, Active Directory, GPO, SCCM/MECM, virtualization, PowerShell and Bash proficiency; bachelor\u0002s degree or equivalent and ability to obtain Public Trust clearance.
Microsoft SCCM/MECM, Azure Update Management (AUM), Group Policy Objects (GPO), Active Directory, DNS, DHCP, SSH, cron, NFS, Apache, Nginx, Microsoft Universal Print, Hyper-V, VMware, Azure VMs, Bash, PowerShell, Ansible, Puppet
3w
Save
Mark Applied
Hide
Windows Systems Administrator
Arlington, Virginia, United States
OnsiteFull Time
Tetrad Digital Integrity
Tetrad Digital Integrity: Provides cybersecurity performance management software and specialized consulting services.
4+ YOEActive TS/SCI clearance, DoD 8750 IAT Level II (e.g. Security+ce), 4+ years Windows server experience, VMware, PowerShell/Python, DISA STIGs, AD/GPO, RDS, SCAP, and strong documentation and troubleshooting skills.
VMware, Remote Desktop Services, PowerShell, Python, Security Content Automation Protocol (SCAP), Group Policy Management (GPO), Windows Task Scheduler, Active Directory, DISA STIGS, BMC Remedy, Linux, Solaris, SAN, NAS, TCP/IP
1mo
Save
Mark Applied
Hide
Windows System Administrator
College Park, Maryland, United States
OnsiteFull Time
Entarian
Entarian: Provides mission-critical engineering and technology solutions for government agencies.
1+ YOE1-3 years Windows systems administration experience; manage ServiceNow ticket queues; troubleshoot Windows 10-11; administer Active Directory, DNS, user accounts; ability to lift 50 lbs; U.S. citizenship and Public Trust clearance eligibility.
ServiceNow, Active Directory, Windows 10-11, DNS
2mo
Save
Mark Applied
Hide
Systems Administrator, Lead (Linux/Windows)
Arlington, Virginia, United States
$150k-$175k/yr OnsiteFull Time
American Systems
American Systems: Providing engineering and IT solutions to federal government agencies.
8+ YOEActive Top Secret/SCI clearance, 8+ years IT systems administration with 3–5 years Linux, DoD 8140 IAT Level II (e.g., Security+ CE), experience with STIGs/RMF, containerization, automation, virtualization, and strong Bash skills.
Linux, Windows, vSphere, Docker, Podman, Ansible, OpenLDAP, Oracle, VMware, Bash, DNS
3mo
Save
Mark Applied
Hide
Systems Administrator
Hanover, Maryland, United States
$165k-$175k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
2+ YOEWindows systems administration, AD, imaging, SSH/patching, and security compliance with TS/SCI requirements.
Windows Server, Windows Desktop, Active Directory, GPOs, PXE, MCM, PowerShell, SQL, Nagios, Confluence, Jira, Bitbucket
1mo
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Systems Administrator
Annapolis Junction, Maryland, United States
$156k-$167k/yr OnsiteFull Time
Lentech
Lentech: Provides mission-critical IT and engineering solutions for government agencies.
10+ YOEActive TS/SCI with FSP through MD, 10 years systems administration experience, DoD 8570 IAT Level I, experience with Devops and AWS, UNIX and Windows administration, Tier 1/2 support, system implementation, troubleshooting, and capacity planning.
Devops, AWS, UNIX, Windows
1w
Save
Mark Applied
Hide
Systems Administrator
Washington, District of Columbia, United States
OnsiteFull Time
Knight Federal Solutions
Knight Federal Solutions: Provides defense, intelligence, and IT services to government agencies.
8+ YOEBachelor's degree or equivalent experience; 8+ years in systems administration; Windows, Linux, VMware or Hyper-V, network management, and active TS/SCI clearance required.
Windows, Linux, VMware, Hyper-V, AWS, Azure, PowerShell, Python, Bash
1mo
Save
Mark Applied
Hide
Systems Administrator
Washington, District of Columbia, United States
$125k-$135k/yr OnsiteFull Time
Galapagos Federal Systems
Galapagos Federal Systems: Provides IT and cybersecurity services for federal defense programs.
5+ YOEActive TS/SCI clearance, 5+ years DoD/IC systems administration, Windows/UNIX administration, RMF/STIG experience, Microsoft 365/Exchange/SharePoint, bachelor\u0002s (or equivalent), willingness for after-hours support.
Windows Server, UNIX, Linux, Microsoft 365, Microsoft Exchange, SharePoint, Active Directory, Group Policy, MS Office, Adobe, SCC
1w
Save
Mark Applied
Hide
Windows & Linux Systems Administrator Staff
Fort Meade, Maryland, United States
$118k-$219k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures advanced aerospace, defense, and security systems.
10+ YOEBachelor's degree or equivalent experience, 10+ years of professional experience, DoD 8570 IAT Level 2 certification, security clearance and polygraphs. Linux, Windows, networking, automation, and scripting expertise required.
RHEL, CentOS, Ubuntu, Debian, Windows Server 2016, Windows Server 2019, Windows Server 2022, Active Directory, LVM, RAID, SMB, NFS, Ansible, WinRM, Bash, PowerShell, Python, Ansible Tower, AWX, Git, Arista EOS, CloudVision, eAPI, BGP, OSPF, EVPN, VXLAN, RADIUS, TACACS+, 802.1X, MACsec, Confluence, Microsoft SharePoint, Docker Swarm, Kubernetes, Apache Mesos, AWS, Azure, GCP, Docker Hub, Google Container Registry, ELK Stack, Prometheus, Nagios, Grafana, Splunk, Logstash, Jenkins, GitLab CI/CD, CircleCI, TCP/IP, HTTP, SAN, NAS, Ceph
3mo
Save
Mark Applied
Hide
Systems Administrator
McLean, Virginia, United States
OnsiteFull Time
Ascension Federal Services
Ascension Federal Services: N/A
3+ YOEBachelor's in Computer Science or related field; 3+ years in systems administration; strong Windows/Linux knowledge; VMware/Hyper-V; AWS/Azure; problem-solving and communication; team Collaboration.
VMware, Hyper-V, AWS, Azure, Windows, Linux
2mo
Save
Mark Applied
Hide
Systems Administrator
Washington, District of Columbia, United States
RemoteFull Time
Dynamic Solutions Technology
Dynamic Solutions Technology: Provides IT, engineering, and program management services to government agencies.
5+ YOE5+ years systems administration experience in Microsoft Windows environments; bachelor’s in IT (or equivalent experience); CompTIA or Microsoft certification; experience with account management, patching, virtualization, and workstation/server support; travel required.
Microsoft Windows, Microsoft Office