52 windows systems administrator jobs at 38 companies in Madison, AL

1w
Save
Mark Applied
Hide
Senior Windows Administrator
Huntsville, Alabama, United States
OnsiteFull Time
Systems Planning and Analysis
Systems Planning and Analysis: Technical and analytical solutions for national security.
Bachelor’s degree in a relevant technical field, 8+ years as a systems administrator, 5+ years managing Windows systems, Security+ or Windows certification, and active Secret clearance required.
Microsoft Windows, Microsoft Windows Server, Active Directory, Group Policy, DNS, DHCP, PowerShell, OpenShift, NIST 800-171, CMMC, DISA STIGs, Cisco, RMF, HPE/Synergy, Synology, NetApp, Veeam, GitLab, VMware
2mo
Save
Mark Applied
Hide
Windows System Administrator
Huntsville, Alabama, United States
OnsiteFull Time
nLogic
nLogic: Employee-owned defense engineering and technical services contractor serving U.S. government, aerospace, and civil customers.
0+ YOECurrent in-scope Secret clearance, BS (or 4 additional years experience), Security+ (or equivalent) within 6 weeks, Windows certification (or ability to obtain), 0–3 years Windows system administration experience, familiarity with DISA STIGs and RSA.
DISA STIGs, RSA
5d
Save
Mark Applied
Hide
Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
Bart & Associates
Bart & Associates: Information technology systems integrator providing mission-critical solutions to the United States Government.
Requires Windows administration in secure environments, Active Directory, Nessus, SCAP/STIG assessments, cybersecurity auditing, troubleshooting, documentation, and strong analytical and communication skills.
Windows, Active Directory, Nessus, SCAP, STIG, EventSentry, Risk Management Framework (RMF), Configuration Control Board (CCB), Data Transfer Agents (DTAs), Microsoft Windows
2w
Save
Mark Applied
Hide
Systems Administrator 1
Huntsville, Alabama, United States
OnsiteFull Time
MBDA
MBDA: European leader in complex weapon systems and missile technology.
4+ YOEAssociate degree or equivalent experience, 4–6 years in IT support or systems administration, Windows and networking expertise, strong troubleshooting skills, and ability to obtain a U.S. Government security clearance.
Microsoft Windows, Microsoft, TCP/IP, DNS, DHCP, VPN, VLANs, SQL, PowerShell, Python, Manufacturing Execution Systems (MES), Enterprise Resource Planning (ERP), Active Directory, Group Policy
1mo
Save
Mark Applied
Hide
Senior Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
Torch Technologies
Torch Technologies: Employee-owned provider of research, development, and engineering services.
8+ YOEUS citizenship, bachelor\u0002s or equivalent, 8+ years systems administration, DoW 8140 certification, experience with RHEL/Rocky and Windows Server, DISA STIG hardening, networking and hardware, and active Secret clearance.
KubeVirt, Podman, RHEL, Rocky, Windows Server, Ansible, Terraform, Bash, PowerShell
5d
Save
Mark Applied
Hide
Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
Radiance Technologies
Radiance Technologies: Employee-owned defense technology contractor providing engineering, intelligence, cyber, and advanced systems solutions to government customers.
2+ YOERequires 2+ years of systems administration, 1+ year patching and STIG compliance on classified networks, Secret clearance, ability to obtain Top Secret, and DoD IAT Level II certification. Bachelor's degree preferred.
Linux, Ubuntu, Red Hat Linux, CentOS, Windows, NIST 800-53A r4, DISA STIG, SRG, Active Directory, LDAP, User Access Control, Nessus, SCAP, SCC Tool, OpenSCAP, VMware vSphere, ESXi, Wireshark, Snort, Netcat, PRTG, SIEM, NetApp, TACLANE, NISPOM, RMF, DAAPM, JSIG, NIST, DFARS
3w
Save
Mark Applied
Hide
IT Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
Chickasaw Nation Industries
Chickasaw Nation Industries: Federally chartered, Chickasaw Nation-owned holding providing federal contracting, manufacturing, and technology services.
5+ YOECompTIA Security+ required, ability to obtain Top Secret clearance, 5+ years IT experience, Windows/Linux administration, network troubleshooting, STIGs, COMSEC, user support, and bachelor's degree or equivalent.
Windows, Linux, Security Technical Implementation Guides (STIGs), COMSEC, VTC
1mo
Save
Mark Applied
Hide
Classified Systems Administrator
Huntsville, Alabama, United States
$95k-$143k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides independent technical research and advisory services for space programs.
6+ YOEActive Secret clearance, DoD 8570 certification (e.g., Security+), 6+ years systems administration experience (10+ for higher grade), proficiency with Windows Server/AD, Linux, virtualization, scripting, vulnerability remediation and RMF/NIST/DISA STIG compliance.
PowerShell, Ansible, Tenable (ACAS), SCAP, STIG, RMF, NIST 800-53, DISA STIG, Windows Server, Active Directory, Red Hat Enterprise Linux, Hyper-V, VMWare VSphere, Cisco IOS, Nexus OS, SPLUNK
2w
Save
Mark Applied
Hide
Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
TCS, Inc.
TCS, Inc.: Technical Consulting Solutions is a Huntsville defense engineering and technology-services contractor supporting U.S. government customers.
3+ YOERequires a Secret clearance, DoD 8570 IAT Level II certification, and 3–12 years of related experience depending on degree. Requires Jira administration, troubleshooting, documentation, and communication skills.
Jira, Bash, PowerCLI, PowerShell, Dell PowerStore, Veeam Backup & Replication, VMware, Hyper-V, Ansible Automation, Python, Confluence, Atlassian, Linux, Windows
1mo
Save
Mark Applied
Hide
Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
Barrios Technology
Barrios Technology: Woman-owned aerospace engineering serving NASA, government agencies, and commercial spaceflight companies.
5+ YOEBS/BA in related field plus 5 years experience (or equivalent); experience administering Windows, Linux, Solaris, Active Directory, Veritas NetBackup, HPE servers, tape libraries, and lab networks; U.S. citizenship and ability to pass government background check.
Microsoft Windows Server, Veritas NetBackup, Hewlett Packard Enterprise (HPE), HPE StorageWorks, LTO, SCSI, Solaris, Linux, TCP/IP, Active Directory
1mo
Save
Mark Applied
Hide
Network Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
Sanmina
SanminaNASDAQ: SANM: Integrated electronics manufacturing services provider.
2+ YOERequires U.S. citizenship, 2–3 years in Windows/ChromeOS, networking, server administration, Microsoft security, and IT support experience; must lift equipment up to 50 lbs and participate in 24x7 on-call rotation.
G Suite, Gmail, Windows, ChromeOS, Microsoft Office, AD Users and Computers Account Administration, Microsoft Security Administration, Microsoft Anti-Virus, Disk-imaging products, VM, Windows Server 2003, Windows Server 2008, Windows Server 2012, Windows Server 2019, Windows Server 2022
1mo
Save
Mark Applied
Hide
2026-07 Principal Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
1st Edge
1st Edge: A privately held defense software serving U.S. Department of Defense customers with AI and missile-defense solutions.
10+ YOE10+ years systems administration experience with mixed Windows/Linux infrastructure, VMware vSphere, networking, scripting (Bash/Python/PowerShell), DoD/CMMC compliance, and clearance eligibility.
Active Directory, DNS, DHCP, Certificate Services, Ubuntu, Rocky Linux, RHEL, VMware vSphere, Entra ID, GCC High, SLURM, Bash, Python, PowerShell, GitLab, Artifactory, MLflow, Ansible, GitLab CI, Jenkins
5d
Save
Mark Applied
Hide
Senior Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
Yulista Holding, LLC
Yulista Holding, LLC: Alaska Native aerospace and defense contractor serving U.S. government, military, NASA, and commercial customers.
7+ YOEBachelor's degree or equivalent experience, 7+ years administering enterprise Windows infrastructure, expert Windows Server, Active Directory, Microsoft Entra ID, Azure Virtual Desktop, Hyper-V, and PowerShell skills, plus active Top Secret clearance.
Windows Server 2016, Windows Server 2019, Windows Server 2022, Windows Server 2025, Active Directory, DNS, DHCP, IPAM, DFS, File Services, Print Services, Active Directory Certificate Services, Microsoft Entra ID, Azure AD Connect, Conditional Access, MFA, PIM, Azure Virtual Desktop (AVD), Remote Desktop Services (RDS), Windows 11 Multi-Session, FSLogix, PowerShell, Azure Automation, Hyper-V, Azure IaaS, Azure Backup, Azure Site Recovery, Defender, LAPS, BitLocker, Credential Guard, Sentinel, Sysinternals, Event Viewer, PerfMon, ETW, Ubuntu, RHEL, CentOS, Docker, Azure Kubernetes Service (AKS), VNets, NSGs, Azure Monitor, Azure Policy, RBAC, Key Vault, ARM, Bicep, Terraform
3w
Save
Mark Applied
Hide
Enterprise IT Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
PZI International Consulting, Inc.
PZI International Consulting, Inc.: Women-owned U.S. human capital services provider helping organizations with global HR, EOR, payroll, mobility, benefits, and workforce development.
4+ YOE4+ years enterprise IT administration experience, strong Microsoft 365/Entra/Intune skills, endpoint lifecycle and networking experience, Windows 10/11 support, excellent communication and documentation skills.
Microsoft 365, Exchange Online, SharePoint Online, Microsoft Teams, OneDrive, Microsoft Entra ID, Microsoft Intune, Microsoft 365 Admin Center, Exchange Admin Center, SharePoint Admin Center, Teams Admin Center, Entra Admin Center, Windows Autopilot, Microsoft Defender for Endpoint, PowerShell, Power Platform, Power Apps, Power BI, SQL Server, Windows 10, Windows 11
3mo
Save
Mark Applied
Hide
Systems Administrator 2nd shift
Huntsville, Alabama, United States
$51k-$82k/yr OnsiteFull Time
Peraton
Peraton: Provider of mission-critical national security technologies and services.
0+ YOEActive TS/SCI with Poly; 2nd shift; end-user tech support; Windows/Linux; DoD 8570 IAT I/II; Cisco Packet Tracer; security certifications.
Windows, Linux, Cisco Packet Tracer, DoD 8570, CISSP, Security+, TS/SCI Poly
1mo
Save
Mark Applied
Hide
Systems & Database Administrator
Huntsville, Alabama, United States
OnsiteFull Time
System Studies & Simulation
System Studies & Simulation: Woman-owned defense contractor providing technical, programmatic, aviation training, maintenance, logistics, and simulation services to government customers.
3+ YOEExperience administering Windows/IIS and Microsoft SQL Server, applying DISA STIGs, performing backups/recovery, RMF documentation, code and DB deployments, and holding baseline security certification and active Secret clearance.
Microsoft IIS, Microsoft SQL Server, Microsoft Azure, Windows Server, .NET Framework MVC, C#, HTML, JavaScript, jQuery, ACAS, Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIG), Risk Management Framework (RMF)
1mo
Save
Mark Applied
Hide
Windows System Administrator- Huntsville, Alabama
Huntsville, Alabama, United States
OnsiteFull Time
Davidson Technologies
Davidson Technologies: Private defense contractor providing engineering, modeling, software, AI, and digital solutions to U.S. government and warfighter customers.
5+ YOEActive DoD Secret clearance, CompTIA Security+, 5+ years Windows administration experience, PowerShell scripting, AD/DNS/GPO management, patch management (WSUS/SCCM), DISA STIG/ACAS familiarity, virtualization and hybrid Windows/Linux operations.
Windows 10, Windows 11, Windows Server 2019, Windows Server 2022, Hyper-V, VMware ESXi, PowerShell, Ansible, ACAS, Evaluate-STIG, Microsoft Office 365, Microsoft Teams, Microsoft SharePoint, Git, GitLab, Jenkins, WSUS, SCCM, Splunk, SolarWinds, Prometheus, KVM, Red Hat Enterprise Linux (RHEL)
1mo
Save
Mark Applied
Hide
Network Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
Sanmina
SanminaNASDAQ: SANM: Integrated electronics manufacturing services provider.
2+ YOEUS citizenship required. 2+ years Windows/ChromeOS experience, G Suite/Gmail and Microsoft Office familiarity, AD administration, networking, antivirus, disk-imaging, basic VM knowledge, server OS experience, ability to lift 50 lbs, participate in 24x7 on-call rotation.
G Suite, Gmail, ChromeOS, Microsoft Office, Active Directory Users and Computers, Microsoft Security Administration, Microsoft Anti-Virus, Disk-imaging products, VM environments, Windows Server 2003, Windows Server 2008, Windows Server 2012, Windows Server 2019, Windows Server 2022
3mo
Save
Mark Applied
Hide
Systems Administrator 2nd shift
Huntsville, Alabama, United States
$51k-$82k/yr OnsiteFull Time
Peraton
Peraton: Provider of mission-critical national security technologies and services.
Provide end-user technical support, install and maintain PCs and network equipment, troubleshoot issues, and support 24/7 operations.
Windows, Linux, Cisco Packet Tracer, Networking, PBX, Servers, Telephones, Cables, Network software
1w
Save
Mark Applied
Hide
ArcGIS Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
Ardent Management Consulting
Ardent Management Consulting: Private technology and management consulting firm providing data science, digital transformation, and geospatial intelligence to government agencies.
5+ YOERequires 5+ years administering Esri ArcGIS Enterprise in production, a bachelor's degree or equivalent experience, server and database expertise, and active Top Secret clearance with CI polygraph eligibility.
ArcGIS Enterprise, Portal for ArcGIS, ArcGIS Server, ArcGIS Data Store, Web Adaptor, Microsoft SQL Server, Oracle, PostgreSQL, ArcGIS Online, ArcGIS Pro, Windows Server, Linux, SDE