ManTech: Provides technology solutions for defense and intelligence agencies.
15+ YOE15+ years systems administration experience, Windows Server proficiency, Active Directory, DHCP, patch management, IAT II (DOD 8140) and current TS/SCI with poly required, bachelor\u0002s degree or equivalent experience, strong troubleshooting and communication skills.
Windows Server, Active Directory, Group Policy, DHCP, VMware, vCenter, JIRA
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.
The Tatitlek Corporation: Provider of government contracting, facility maintenance, and technology services.
6+ YOE6+ years system administration experience with Windows environments; DoD Secret clearance (or ability to obtain); IAT Level 2 and OS (Windows) certification; experience with WSUS, GPOs, backups, documentation, and end-user support.
WSUS, GPO, Windows Server, Windows Workstations, Thin Client
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
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
6+ YOE6+ years Windows Server Admin; 2+ years US government environment; AD migrations; SCCM; PowerShell; STIG/NIST; IIS; Secret clearance; HS diploma or GED; IATIII DoD 8570/8140 certs
PowerShell, SCCM/MECM, Active Directory, DNS, GPOs, IIS, STIG, NIST SP 800-53, Windows Server
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
Peraton: National security and mission-critical government technology services provider.
10+ YOE10+ years Windows Server and Active Directory administration experience, PowerShell/VB scripting, government IT security knowledge, U.S. citizenship, active SECRET clearance.
Windows Server 2016, Windows Server 2019, Windows Server 2022, Windows Server 2025, Microsoft Active Directory, DNS, PowerShell, VB, Microsoft Project, Microsoft Visio, Microsoft 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
American Systems: Providing engineering and IT solutions to federal government agencies.
6+ YOE6+ years supporting Windows Server in enterprise datacenters, Azure/AVS experience, PowerShell and infrastructure automation (Ansible), ability to obtain Public Trust, US work authorization, strong communication and ITIL experience.
Windows Server, VMware vSphere, Azure, Azure Monitor, Azure Update Management, Defender for Cloud, Azure VMware Solution (AVS), AWS, GCP, PowerShell, Ansible, GitLab, Carbon Black, CyberArc, Defender EM, Remedy, ServiceNow, Active Directory, DNS, DHCP, Group Policy
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
Probity: Provides IT, cybersecurity, and engineering services to government agencies.
7+ YOE7+ years of Windows systems experience; Active Directory, scripting; patch management; enterprise security.
Active Directory, LDAP, Centrify, PowerShell, VB, Windows Server 2008/2012/2016, SCOM, ACS, Microsoft Exchange, Outlook, Symantec, McAfee, VMware, LAN/TCP-IP, Cisco networking
American Systems: Providing strategic engineering and IT solutions for government programs.
6+ YOE6+ years supporting Windows Server in enterprise datacenters, Azure workload management, PowerShell scripting, infrastructure automation (Ansible), ITIL experience, ability to obtain Public Trust clearance.
Principal Windows Systems Administrator - Polygraph
Dulles, Virginia, United States
$104k-$155k/yrOnsiteFull Time
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
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.
Astrion: Provide engineering and mission support services to federal government agencies.
3+ YOETop Secret clearance required. 3+ years Windows systems administration experience including backup/recovery, hardware/software installation, security tools, TCP/IP, vulnerability analysis, and procurement research. IAT II with T5 investigation required.
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
10+ YOERequires TS/SCI w/Poly, bachelor’s degree or equivalent with 10+ years experience (or +5 years substitute), DOD 8570 IAT2, expertise in Linux/Windows administration, automation with Ansible, scripting (Bash/PowerShell/Python), Arista networking, DoD STIG/CIS compliance.
RHEL, CentOS, Ubuntu, Debian, Windows Server 2016, Windows Server 2019, Windows Server 2022, Active Directory, LVM, RAID, SMB, NFS, DoD STIG, DISA STIGs, CIS Benchmarks, Ansible, WinRM, Bash, PowerShell, Python, Ansible Tower, AWX, Git, Arista EOS, CloudVision, eAPI, BGP, OSPF, EVPN, VXLAN, ACLs, RADIUS, TACACS+, 802.1X, MACsec, Confluence, SharePoint, Nagios, Prometheus, Grafana, ELK Stack, Splunk, Logstash, Jenkins, GitLab CI/CD, CircleCI, Docker Swarm, Kubernetes, Apache Mesos, AWS, Azure, GCP, Docker Hub, Ceph, SAN, NAS