58 windows systems administrator jobs at 43 companies in Cullman, AL
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Senior Windows Administrator
Huntsville, Alabama, United States
OnsiteFull Time
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
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Windows System Administrator
Huntsville, Alabama, United States
OnsiteFull Time
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
1mo
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Systems Administrator
Trussville, Alabama, United States
OnsiteFull Time
3+ YOE3+ years systems administration with Microsoft Azure, Entra ID, Intune, Microsoft 365 and Windows; strong troubleshooting and end-user support skills.
Microsoft Azure, Microsoft Entra ID, Microsoft Intune, Microsoft 365, SharePoint Online, Teams, OneDrive, Exchange Online, PowerShell, Microsoft Defender, Hyper-V, VMware, Windows Autopilot, Conditional Access, Multi-Factor Authentication, Microsoft Business Central, Power Platform, Autodesk
2d
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Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
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
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Systems Administrator 1
Huntsville, Alabama, United States
OnsiteFull Time
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
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Senior Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
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
3d
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Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
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
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IT Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
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
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Classified Systems Administrator
Huntsville, Alabama, United States
$95k-$143k/yr OnsiteFull Time
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
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Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
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
3w
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Network Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
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
4w
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Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
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
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2026-07 Principal Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
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
1mo
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Senior Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
5+ YOEActive Secret clearance with ability to obtain TS/SCI, bachelor\u0002s or equivalent experience, 5+ years experience, DoD 8570 IAT II+ certification, experience with RHEL/Ubuntu/Windows/ESXi, US passport within 30 days, willingness to travel up to 50%.
RHEL, Ubuntu, Windows 11, Windows Server, ESXi
3d
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Senior Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
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
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Enterprise IT Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
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
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Systems Administrator 2nd shift
Huntsville, Alabama, United States
$51k-$82k/yr OnsiteFull Time
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
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Windows System Administrator- Huntsville, Alabama
Huntsville, Alabama, United States
OnsiteFull Time
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
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Systems & Database Administrator
Huntsville, Alabama, United States
OnsiteFull Time
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)
3w
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Network Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
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
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