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87 windows administrator jobs at 62 companies in Decatur, AL

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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
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2mo
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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
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1mo
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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)
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1mo
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Intermediate System Administrator (Windows/VMware) - PAE Fires IT Support (AL, Huntsville)
Huntsville, Alabama, United States
OnsiteFull Time
PAE
PAE: Government-services contractor providing operational, intelligence, logistics, and information services to U.S. and allied governments worldwide.
Maintain VMware ESXi and Windows VM/appliance environments; act as Tier 3 escalation for service desk to diagnose infrastructure-level issues.
VMware ESXi, Windows
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6d
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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
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1mo
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System Administrator
Redstone, Alabama, United States
OnsiteFull Time
QBE LLC
QBE LLC: Private management and technology consulting firm delivering cybersecurity, cloud, architecture, engineering, and data services to federal customers.
5+ YOETop Secret/SCI clearance, 5+ years enterprise IT experience, hands-on Windows/Linux system and network administration, STIGs/patching, incident response, and Tier 1/2 user support.
Windows, Linux, Security Technical Implementation Guides (STIGs), COMSEC
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1d
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System Administrator
Huntsville, Alabama, United States
OnsiteFull Time
Discovery Life Sciences
Discovery Life Sciences: Private biospecimen and specialty laboratory services serving biopharma, diagnostics, and academic researchers.
8+ YOE8+ years of systems administration experience; associate degree plus 6 years or bachelor's degree plus 4 years. Requires Windows, Linux, AWS, identity, virtualization, backup, automation, networking, and security expertise.
Windows Server, Linux, Hyper-V, Active Directory Domain Services, Microsoft Entra ID, PowerShell, Veeam Backup & Replication, Bash, Python, Ansible, AWS, Amazon EC2, Amazon S3, Amazon RDS, Amazon VPC, AWS IAM, AWS Lambda, AWS CloudFormation, Microsoft 365, Exchange Online, MySQL, PostgreSQL, Microsoft SQL Server, Apache, IIS, FortiGate, VPN, DNS, DHCP, HTTP/HTTPS, SSH, FTP, SAN, NAS, iSCSI
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3w
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System Administrator, Jr.
Panama City or Huntsville
OnsiteFull Time
Mission Multiplier
Mission Multiplier: Privately held cybersecurity and IT consulting firm serving government agencies, defense contractors, and commercial businesses.
0+ YOE0–3 years of system administration experience, a bachelor's degree or equivalent, Security+ certification, Windows or Linux familiarity, and an active Secret clearance or ability to obtain one.
Windows, Linux, PowerShell, Bash, Python, DISA STIGs, SECNAV M-5239.2
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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
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2w
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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
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1mo
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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
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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
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1mo
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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
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3w
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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
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System Administrator (Intermediate)
Huntsville or Alabama
OnsiteFull Time
Agile Defense
Agile Defense: Private government contractor providing digital transformation, cybersecurity, data analytics, and AI solutions to national-security and civilian missions.
5+ YOESecret clearance required to start, IAT Level II certification, 5+ years of systems administration experience, and a bachelor's degree or equivalent experience. Requires Windows, Linux, virtualization, cybersecurity compliance, scripting, and network support expertise.
Windows Server 2019/2022, Red Hat Enterprise Linux, Ubuntu, Active Directory (AD), Group Policy Objects (GPOs), Domain Name System (DNS), Dynamic Host Configuration Protocol (DHCP), VMware ESXi, vCenter Server, NAS, SAN, ACAS (Assured Compliance Assessment Solution), Nessus, Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs), Risk Management Framework (RMF), NIST SP 800-53, Public Key Infrastructure (PKI), Single Sign-On (SSO), PowerShell, Bash, Ansible, Cisco, LAN, ServiceNow, Microsoft Visio, SCAP Compliance Checker, WSUS, Tanium, Red Hat OpenShift, Kubernetes, Docker, Gitlab, Jenkins, Azure DevOps
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2w
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Network Administrator
Huntsville, Alabama, United States
OnsiteFull Time
PeopleTec
PeopleTec: People First. Technology Always.
2+ YOERequires 2–5 years of network administration or IT infrastructure experience, a STEM bachelor's degree, active DoD Secret clearance, DoD IAT or IAM Level II certification, and U.S. citizenship.
Cisco, VLAN, Windows Server, Active Directory, Linux, VMware, Wireshark, SolarWinds, Time-Sensitive Networking (TSN), Time-Triggered Ethernet (TTE), Digital Backbone (DBB), Hardware-in-the-Loop (HWIL), Software-in-the-Loop (SWIL), MIL-STD-1553, ARINC 429, ARINC 664 (AFDX), CAN Bus, DIS, HLA
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2w
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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
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6d
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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
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2w
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Senior System Administrator
Huntsville, Alabama, United States
$150k-$215k/yr OnsiteFull Time
Full Visibility
Full Visibility: Private federal IT services and consulting firm serving government agencies with cybersecurity, analytics, engineering, and cleared experts.
6+ YOEBachelor's degree in information technology, computer science, engineering, or related field plus 6 years of IT systems experience, or 10 years equivalent experience; enterprise infrastructure and Windows Server expertise required.
Windows Server, DHCP, DNS, Remote Desktop Services, WSUS, PowerShell, Windows Admin Center, RSAT, Microsoft System Center, Hyper-V, Failover Clustering, Azure, AWS, OpenStack, Apache NiFi, Storage Spaces Direct (S2D), Group Policy Management, SQL Server, SharePoint Server, Exchange, Skype for Business Server, Data Center Bridging (DCB)
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6d
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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
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