62 linux administrator jobs at 37 companies in Trinity, AL
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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
1w
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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
4d
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Principal Linux Systems Administrator - Secret
Huntsville, Alabama, United States
OnsiteFull Time
3+ YOERequires 3–9 years of IT experience depending on education, Linux server administration in classified environments, IAT II certification, and current U.S. Secret clearance. Linux, networking, virtualization, and scripting experience preferred.
Linux, Windows, ServiceNow, JIRA, Docker, Kubernetes, VMware, HBSS, SolarWinds, Splunk, Windows, Linux, Solaris, OS X, UNIX
4d
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Principal Linux Systems Administrator - Secret
Huntsville or United States
OnsiteFull Time
3+ YOERequires Linux server administration in classified environments, Secret clearance, and IAT Level II certification. Requires 3–9 years of IT experience depending on education; bachelor's degree and Security+ CE preferred.
Linux, Windows, ServiceNow, JIRA, Docker, Kubernetes, VMWare, HBSS, SolarWinds, Splunk, Windows Server, Solaris, OSX, UNIX
1w
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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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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
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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
2w
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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
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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
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Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
2+ YOEBachelor's degree in a technical field, 2 years of enterprise IT experience, Windows administration expertise, Linux and macOS knowledge, networking skills, troubleshooting ability, and active Secret clearance.
Windows, Linux, Apple macOS
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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
2w
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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
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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
2d
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System Administrator (Intermediate)
Huntsville or Alabama
OnsiteFull Time
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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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
3w
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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
1w
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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
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
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