60 linux administrator jobs at 38 companies in Winchester, TN
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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
4d
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Linux System Administrator
Huntsville or Huntsville
OnsiteFull Time
5+ YOERequires U.S. citizenship, 5–10 years of Linux administration in classified environments, active Secret clearance, IAT-II and Linux certifications, scripting skills, and Linux security experience.
Rocky Linux, RHEL, Ansible, Podman, Docker, OpenShift Virtualization, KVM, VMware, Bash, Python, PowerShell, Active Directory, ELK Stack, Splunk, YUM, DNF
1d
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Mid-Level Linux System Administrator - DOD
Huntsville or Huntsville
$95k-$135k/yr OnsiteFull Time
3+ YOERequires 3+ years of Linux administration experience, Linux configuration and patching expertise, virtualization, Bash or Python scripting, DoD IAT Level II certification, and active DoW Secret clearance.
Linux, Red Hat Enterprise Linux, Red Hat Satellite, Ansible, vCenter, Bash, Python, OpenShift, Windows, VMware vSphere, VMware vCenter, IdM, LDAP, SSSD, Active Directory, DNS, DHCP, NTP, SSH, LVM, NFS, Windows Server, Windows 10, Windows 11, WSUS, SCCM, PowerShell, GPOs, RSA, PKI, BMC Remedy
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Mid-Level Linux System Administrator IRES - HSV
Redstone Arsenal, Alabama, United States
$95k-$135k/yr OnsiteFull Time
3+ YOERequires 3+ years of Linux systems administration, configuration management, virtualization, Bash or Python scripting, networking and storage administration, IAT Level II certification, and active DoW Secret clearance.
Linux, Red Hat Enterprise Linux, Red Hat Satellite, Ansible, vCenter, Bash, Python, OpenShift, Windows Server, Windows, Active Directory, WSUS, SCCM, PowerShell, VMware vSphere, RSA, PKI, BMC Remedy
17h
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Linux Systems Administrator / Secret / Onsite: Huntsville, AL
Huntsville, Alabama, United States
$71k-$131k/yr OnsiteFull Time
Secret clearance required; U.S. citizenship, Linux/UNIX administration, lifecycle and configuration management, incident response, vulnerability remediation, security management, and ability to lift 30 pounds required.
Linux, UNIX, Red Hat Enterprise Linux, 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, VMware vCenter, ESXi, KVM, STIG, RMF
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Mid-Level Linux System Administrator IRES - HSV
Huntsville or Madison County
$95k-$135k/yr OnsiteFull Time
3+ YOERequires 3+ years of Linux administration, scripting, virtualization, networking, storage, configuration management, current IAT Level II certification, and active DoW Secret clearance; must obtain Top Secret clearance.
Linux, Red Hat Enterprise Linux, Red Hat Satellite, Ansible, vCenter, Bash, Python, OpenShift, Windows, LDAP, SSSD, Active Directory, DNS, DHCP, NTP, SSH, LVM, NFS, Windows Server, Windows 10, Windows 11, WSUS, SCCM, PowerShell, GPO, VMware vSphere, RSA, PKI, BMC Remedy
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System Administrator (Linux)
Huntsville, Alabama, United States
OnsiteFull Time
5+ YOERequires 5–8 years of systems administration experience, Linux and RHEL expertise, Cisco networking, GitLab, Linux certification, DoD 8570 IAT II certification, bachelor's degree, and active DoD Secret clearance.
Linux, Windows, GitLab, RHEL, Cisco IOS, VMware ESXi, bash, Python, Ansible, HBSS, RSA
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
1w
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Senior Linux System Admin - Marshal Flight Ce
Huntsville, Alabama, United States
$120k/yr HybridFull Time
12+ YOEBachelor's degree in a technical field, 12 years of systems or IT infrastructure experience, Linux/UNIX and Windows Server administration, virtualization experience, U.S. citizenship, and ability to obtain Public Trust clearance.
Linux, UNIX, Windows Server, VMware, OpenShift, Red Hat, RHCSA, RHCE, CompTIA Security+, Cisco CCNA, Cisco CCNP, Nexsan, Dell Unity, iDRAC, IPMI, Python, Cisco Software Defined Networking, DevSecOps
4w
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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
4d
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Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
5+ YOEU.S. citizenship, active Secret clearance, and 5+ years of systems administration, networking, or IT infrastructure experience with Windows/Linux and secure network environments; bachelor's degree or 10+ years' experience.
Windows, Linux, Local Area Network (LAN), Wide Area Network (WAN), Red Hat Enterprise Linux (RHEL), DevSecOps, Infrastructure as Code (IaC), continuous integration/continuous deployment (CI/CD), version control, Trellix
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
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System Administrator Lead
Huntsville, Alabama, United States
OnsiteFull Time
7+ YOERequires 7+ years of system administration, 3+ years Linux administration, classified air-gapped network experience, Secret clearance, ability to obtain TS/SCI and polygraph, and DoD IAT Level II certification.
Linux, Red Hat, Ubuntu, CentOS, Cisco, WAN, LAN, Matlab, Python, GitLab, Jenkins, Kubernetes, Active Directory, LDAP, User Access Control, Splunk, ELK, Tenable Nessus, NetApp, Synology, Wireshark, Snort, PRTG, SCAP, SCC Tool, OpenSCAP, VMWare vSphere, EXSI, TACLANE, NIST, DFARS, Red Hat Satellite, Ansible
1w
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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
1w
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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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Lead System Administrator
Arnold AFB, Tennessee, United States
$108k-$167k/yr OnsiteFull Time
8+ YOEBachelor's in IT or equivalent experience, 8+ years IT experience (11+ for higher grade), ability to obtain security clearance, commit to DoD 8140 certifications within 6 months, Windows/Linux administration, imaging/deployment, scripting, virtualization.
Active Directory, DNS, DHCP, GPOs, PowerShell, SCCM, WSUS, WDS, MDT, NetApp ONTAP, Red Hat IdM, Red Hat Enterprise Linux, Linux, Bash, Python, VMware vSphere, Citrix XenDesktop/XenApp, TCP/IP, SSH
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
2w
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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
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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
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Network Administrator
Huntsville, Alabama, United States
OnsiteFull Time
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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