480 windows system administrator jobs at 203 companies in Dundalk, MD
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Windows System Administrator
College Park, Maryland, United States
OnsiteFull Time
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.
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
GCyber: Provides specialized cybersecurity and IT modernization for government agencies.
8+ YOERequires Top Secret/SCI clearance, bachelor's degree in a related discipline, 8+ years of relevant experience, IAT II certification, Windows Server expertise, and working Linux knowledge.
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
10+ YOETS/SCI with poly required; Bachelor's in CS/Cyber/IT (or extensive experience); 10+ years SA experience; DoD 8570 IAM Level I; Windows/UNIX system administration, monitoring, troubleshooting, and capacity planning.
AmentumNYSE: AMTM: Global provider of engineering, technical, and mission support services.
10+ YOERequires 10 years of system administration experience, a technical bachelor's degree or 14 years' experience, IAM Level I certification, and TS/SCI with polygraph clearance.
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
Altech Solutions: A federal IT services supporting NASA with cyber, field support, and data analytics capabilities.
6+ YOEBachelor's degree and 6+ years systems administration experience; strong Microsoft/PowerShell skills; familiarity with Linux/UNIX, VMware, OpenShift; U.S. citizenship and ability to obtain Public Trust clearance; onsite at NASA GSFC.
PowerShell, Linux, UNIX, VMware, OpenShift, RHEL, Nexsan, Dell Unity, iDRAC (IPMI), Cisco Software Defined Networking, Microsoft Windows
ManTech: Provides technology solutions for defense and intelligence agencies.
15+ YOE15+ years systems administration experience; bachelor's in technical discipline (or 5yr experience substitute); experience with RHEL, Linux, Windows; TS/SCI with Poly; EMR not mentioned.
Red Hat Enterprise Linux (RHEL), Linux, Windows, AWS
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
Entegra Systems: Provides engineering and intelligence analysis for government missions.
10+ YOESenior System Administrator with 10 years LAN/WAN, 5 years hardware/software ops, Linux and Windows, SELinux, scripting, and security compliance; TS/SCI with Poly clearance.
NexOne: Provides IT and engineering services for government defense agencies.
Requires 6+ years of MILSATCOM experience, Windows system administration and network management experience, DoD 8570 IA certification, and ability to obtain DoD/NACI IT Level I certification.
Active Directory, Wideband Satellite Communications (SATCOM), Risk Management Framework (RMF), Information Assurance (IA), Operating Systems, WSOTS, Network Control and Earth Terminal (ET), Local Area Networks/Wide Area Networks (LAN/WAN), Windows, IASO, SIPR, NIPR
T12 Technologies: Providing IT and logistics solutions for government agencies.
3+ YOE3+ years system administration supporting hybrid on-premises and cloud (AWS, Microsoft 365/Azure); Windows Server and Intune experience; PowerShell/Bash scripting; networking fundamentals; US citizenship and eligibility for Public Trust preferred.
Microsoft 365, Microsoft Entra ID, Microsoft Intune, Microsoft Exchange Online, Microsoft Teams, Microsoft SharePoint, OneDrive, Microsoft Defender for Endpoint, Purview, Windows Server, Windows 10, Windows 11, PowerShell, Bash, AWS, EC2, S3, IAM, VPC, RDS, CloudWatch, Terraform, CloudFormation, ServiceNow
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
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
Belay Technologies: Provides specialized technology and engineering services to the DoD.
10+ YOERequires TS/SCI clearance with polygraph, 10 years of similar system administration experience, and a technical bachelor's degree or five additional years of system administration experience.
Navstar: Provides IT and cybersecurity solutions to the intelligence community.
5+ YOEActive TS/SCI with polygraph, 5+ years of recent systems administration experience, and a technical bachelor's degree or 10 years of systems administration experience without one.
Linux, Windows, Oracle, Apache, DNS, Microsoft Windows, DevOps, CentOS, Ubuntu, Information Assurance (IA), ICD503
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
Requires IT systems administration experience with Unix, Linux, and Windows, network engineering knowledge, TS/SCI clearance, high school diploma/GED, and IAT Level II certification.
Unix, Linux, Windows, High Performance Computing (HPC), shell scripting, Red Hat Certified System Administrator (RHCSA), Microsoft Certified Solutions Associate (MCSA)
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
15+ YOE15 years system administration experience, Windows and Linux server administration, IAVA patching, DoD 8570 IAT Level I, bachelor's degree in technical discipline (or 5 years additional SA experience), scripting and automation experience.