52 linux administrator jobs at 34 companies in Madison, AL
2w
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Senior Linux Administrator
Huntsville, Alabama, United States
OnsiteFull Time
8+ YOEBachelor's degree in CS/IT/EE/CE,8+ years systems admin,5+ years Linux administration,Security+ and Linux+ or RedHat cert,active SECRET clearance required.
Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 10, OpenShift, Ansible Automation, Gitlab, VEEAM, NetApp, HPE/Synergy, Synology, Windows, Active Directory, Cisco
2d
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Mid-Level Linux System Administrator
Huntsville or United States
OnsiteFull Time
4+ YOEUS citizenship, associate's or bachelor's degree or equivalent experience, 4-10 years of Linux administration in classified environments, active Secret clearance, and DoW IAT-II and Linux certifications.
Rocky Linux, RHEL, Ansible, Podman, Docker, OpenShift Virtualization, KVM, VMware, Bash, Python, PowerShell, Active Directory, YUM, DNF, ELK Stack, Splunk
1mo
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Sr. Linux System Administrator
Arnold AFB, Tennessee, United States
$108k-$168k/yr OnsiteFull Time
8+ YOEBachelor's in IT (or equivalent experience), 8+ years IT experience (L09) or 11+ (L10), US citizenship, ability to obtain security clearance, experience administering RHEL, virtualization, security hardening, scripting and automation.
Red Hat Enterprise Linux (RHEL), VMware, OpenShift, NetApp ONTAP, Active Directory, Veeam, SolarWinds NPM, ACAS, VLAN, Bash, PowerShell, Python, Ansible, Docker, Kubernetes, NFS, RAID, LVM, Apache, Tomcat, Security Technical Implementation Guides (STIGs)
1mo
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Linux Systems Administrator / Secret / Onsite: Huntsville, AL
Huntsville, Alabama, United States
OnsiteFull Time
Requires Secret clearance to start and ability to obtain Top Secret; DoD 8570 IAT II/III cert (Security+, CASP, CISSP) within 6 months; Linux/UNIX administration, lifecycle/configuration management, vulnerability remediation, helpdesk support; able to lift 30 lbs.
RH 7.x, RH 8.x, Ansible, Red Hat OpenShift, Kerberos, LDAP, NTLM, Active Directory, DHCP, DNS, Group Policy, WSUS, TCP/IP, UDP, SMTP, NFS, FTP, Telnet, SSH, Microsoft Windows 10, Microsoft Windows 11, VMware vSphere, VSphere vCenter, ESXi, KVM, STIG, RMF
3w
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Principal Linux System Administrator- must have active secret clearance
Huntsville, Alabama, United States
$87k-$165k/yr OnsiteFull Time
5+ YOEActive US secret clearance and US citizenship, bachelor\u0002s plus 5 years experience, Linux and Windows server administration, AD/LDAP, VMware, Ansible, security tooling; must obtain CompTIA Security+ CE or equivalent within 6 months.
Redhat Enterprise Linux, Microsoft Windows, Ansible, DNS, DHCP, LDAP, Active Directory, VMware, SCAP, Nessus, Splunk, Symantec
1mo
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Linux Systems Administrator PR Lead - Kwajalein Atoll - 3856
Huntsville or Huntsville or Marshall Islands
OnsiteFull Time
8+ YOEBachelor's or equivalent experience, 8+ years IT experience, expertise with RHEL, Docker, Ansible, Git; DoD baseline IAT Level II certifications (Security+/CySA+/GICSP and Linux+/Server+/CE); ability to obtain Secret clearance and relocate to Kwajalein.
RHEL, Red Hat, Docker, Kubernetes, Ansible, Git, GitLab, Ceph, Centrify, Windows, STIG, Bash, Python, PowerShell, sar, mpstat, top, vmstat, iostat
3w
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Intermediate System Administrator (Linux/OpenShift) - PAE Fires IT Support (AL, Huntsville)
Huntsville, Alabama, United States
OnsiteFull Time
Administer Red Hat OpenShift and Linux systems, maintain virtual infrastructure, serve as Tier 3 escalation for container and RHEL application issues, and support Dev/Stage/Prod environment provisioning.
Linux, Red Hat OpenShift, RHEL
3mo
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Atlassian Administrator
San Diego or Colorado or Huntsville or Tupelo
$72k-$110k/yr HybridFull Time
4+ YOE4+ years Atlassian administration experience, 3+ years systems administration; strong Linux/Windows/Unix and enterprise Atlassian (JIRA, Confluence, Bitbucket, Bamboo, Fisheye/Crucible) skills; Agile/Scrum experience; HA/DR and automation experience; US citizenship required.
Atlassian, JIRA, Confluence, Bitbucket, Bamboo, Fisheye, Crucible, Microsoft 365, Microsoft Teams, Microsoft OneDrive, Microsoft Forms, Microsoft Planner, Microsoft SharePoint, Linux, Windows, Unix, TCP/IP, VMs, Agile, Scrum
1mo
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System Administrator
Redstone, Alabama, United States
OnsiteFull Time
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
1d
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System Administrator, Jr.
Panama City or Huntsville
OnsiteFull Time
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
3d
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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
3w
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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
1w
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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
2mo
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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
1w
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Database Administrator CoOp/Intern
Huntsville, Alabama, United States
OnsiteInternship
US citizenship required; bachelor\u000degree (or final-year student) in CS/IT or related; willingness to work PST/CST business hours; no prior DBA experience required; basic SQL and Linux familiarity desirable.
Oracle E-Business Suite (EBS), SQL, Linux/Unix
3w
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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
3w
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GCCS Tier 1 Systems Administrator
Tullahoma, Tennessee, United States
$77k-$100k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
3+ YOEActive TS/SCI clearance, CompTIA Security+, 3+ years systems administration experience with Windows/Linux, database maintenance (Oracle/Sybase/PostgreSQL), VMware and Active Directory, willingness to travel up to 15%, valid U.S. passport.
Global Command and Control System (GCCS), JBoss Seam, Oracle, Sybase, PostgreSQL, ServiceNow, Red Hat, Agile Client, SEWS, Radiant Mercury, JRE, JTT, TADL, Link, ADSI, JTAGS, ICSF, COP, TMSWeb, KML/KMZ, ArcGIS, Google Earth, VMware ESXi, Microsoft Active Directory, Tomcat, JBoss, NFS, SSH, NTP, LDAP, HTTP, Ansible
3w
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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)
1w
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Senior Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
5+ YOEActive Secret clearance with ability to obtain TS/SCI, Bachelor's degree plus 5 years experience (or 9 years experience in lieu), DoD 8570 IAT II certification, experience with RHEL/Ubuntu/Windows/ESXi, willingness to travel up to 50% including overseas.
RHEL, Ubuntu, Windows 11, Windows Server, ESXi
1mo
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Systems Administrator Intermediate
Huntsville, Alabama, United States
$90k-$105k/yr OnsiteFull Time
6+ YOEMaintain and administer SCCM/SCOM, servers, virtualization, backups, security monitoring, account management, system upgrades, and Tier III troubleshooting. Requires DoD Secret clearance and IAT-II certification (GSEC/Security+CE/GICSP/CySA+/CCNA Security).
Microsoft SCCM, Microsoft SCOM, VMware, UNIX, Linux, Solaris, Windows
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