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73 linux administrator jobs at 49 companies in Alabama

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Cupertino, CA, US
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Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
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3mo
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Linux Administrator
Huntsville, Alabama, United States
OnsiteFull Time
Aviation & Missile Solutions
Aviation & Missile Solutions: Provides engineering and technical services for defense systems.
5+ YOE5+ years Linux administration; US citizen; located in Huntsville, AL area or willing to relocate; DoD Secret clearance; lab environment focus; Bachelor’s preferred.
Linux, Windows
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2d
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Senior Linux Administrator
Huntsville, Alabama, United States
OnsiteFull Time
Systems Planning and Analysis
Systems Planning and Analysis: Provides technical and analytical support to national security agencies.
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
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2w
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IT Linux System Administrator 2
Centennial or Cape Canaveral or Decatur or Vandenberg AFB
$82k-$136k/yr OnsiteFull Time
United Launch Alliance
United Launch Alliance: Aerospace providing space launch services for satellites.
2+ YOEBachelor in STEM or equivalent, minimum 2 years related experience, foundational Linux administration (RHEL/Rocky/AlmaLinux/Ubuntu), ability to obtain DoD TS/SCI, US citizenship required, basic networking and troubleshooting skills.
RHEL, Rocky, AlmaLinux, Ubuntu, Bash, Python, Ansible
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1w
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Linux System Administrator
Huntsville, Alabama, United States
OnsiteFull Time
INTUITIVE
INTUITIVE: Aerospace engineering firm providing technical solutions for defense programs.
3+ YOEBS/BA and 3+ years related experience; Security+; experience administering RHEL/Ubuntu, virtualization (VMware), NAS/SAN, networking, backups; scripting in Bash/Python/Perl; ability to obtain/maintain security clearance.
Bash, Python, Perl, Solaris, Linux, UNIX, RHEL, Ubuntu, VMware, NAS, SAN, GitLab, Docker, Okta, STIG, VMware vSphere, Microsoft Active Directory, PowerShell
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2w
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Linux Systems Administrator / Secret / Onsite: Huntsville, AL
Huntsville, Alabama, United States
OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
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
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1w
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Principal Linux System Administrator- must have active secret clearance
Huntsville, Alabama, United States
$87k-$165k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
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
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3w
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Linux Systems Administrator PR Lead - Kwajalein Atoll - 3856
Huntsville or Huntsville or Marshall Islands
OnsiteFull Time
RGNext
RGNext: Operates and maintains space launch and missile defense ranges.
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
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3w
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Ansible/Linux Automation Engineer - Huntsville, Alabama
Huntsville, Alabama, United States
OnsiteFull Time
Davidson Technologies
Davidson Technologies: Delivers engineering and technology solutions for national security missions.
2+ YOEExperience building Ansible automation, 2+ years Linux administration (RHEL/CentOS/Ubuntu), Bash/Posix scripting, Git, complex infrastructure troubleshooting, CI/CD integration, and active DoD Secret clearance.
Ansible, Linux, RHEL, CentOS, Ubuntu, Bash/Posix, Git, CI/CD, Dev-Ops, DecSecOps, Windows Server, PowerShell
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6d
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Intermediate System Administrator (Linux/OpenShift) - PAE Fires IT Support (AL, Huntsville)
Huntsville, Alabama, United States
OnsiteFull Time
Technology Automation & Management (TeAM)
Technology Automation & Management (TeAM): Provides IT and program management services to federal agencies.
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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2mo
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Atlassian Administrator
San Diego or Colorado or Huntsville or Tupelo
$72k-$110k/yr HybridFull Time
General Atomics
General Atomics: Designs and manufactures unmanned aircraft and nuclear technology systems.
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
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2w
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System Administrator
Redstone, Alabama, United States
OnsiteFull Time
QBE
QBE: Provides technology and security services for federal defense agencies.
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 Lead
Huntsville, Alabama, United States
$130k-$145k/yr OnsiteFull Time
Aegis Aerospace
Aegis Aerospace: A woman-owned space and technology supporting Department of Defense and NASA missions with engineering and technology services.
10+ YOE0.5+ MgmtActive DoD Secret clearance, 10+ years work experience, 5+ years related experience, 6+ months leadership, DoD 8570.01 IAT Level II (e.g., CompTIA Security+), Linux and Windows administration, virtualization and scripting experience.
Microsoft Windows, Linux, VMware, OpenShift
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1mo
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Administrator Epic Systems
Mobile, Alabama, United States
OnsiteFull Time
Infirmary Health
Infirmary Health: Largest non-profit healthcare provider in Alabama.
3+ YOEBachelor's in IT-related field, 3+ years supporting Epic EHR administration, Epic technical certifications required within 12 months, knowledge of enterprise healthcare IT, InterSystems IRIS, Linux/Unix, shell scripting, and SQL.
Epic, Hyperspace Web, Interconnect, Web BLOB, Epic Print Service, InterSystems IRIS, Linux, Unix, Perl, awk, sed, SQL
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1w
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2026-07 Principal Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
1st Edge
1st Edge: Develops artificial intelligence and software solutions for defense agencies.
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
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3w
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Information Systems Administrator, Journeyman
Montgomery, Alabama, United States
OnsiteFull Time
Torch Technologies
Torch Technologies: Provides research and engineering services to the defense industry.
3+ YOEUS citizen with active Secret clearance, Bachelor's degree or equivalent experience, 3+ years technical experience (with DoD experience), hands-on AWS/GitLab/Linux administration, infrastructure automation, and DoD cybersecurity controls.
Amazon Web Services, AWS GovCloud, EC2, S3, RDS, IAM, VPC, CloudWatch, CloudTrail, Atlassian Toolsuite, GitLab, GitLab CI/CD, RHEL, Amazon Linux, Ubuntu, CloudFormation, Terraform, Docker, Kubernetes, EKS, SAST, DAST, Cloud One, Jira, Jira Service Desk, Confluence, Bitbucket, Artifactory, Jenkins, Maven, Microsoft MS Build, Gradle, SonarQube, Checkmarx, Python, Script Runner, SIL, Azure GovCloud
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1d
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System Administrator II
Huntsville, Alabama, United States
OnsiteFull Time
Technology Service Corporation
Technology Service Corporation: Develops advanced sensor systems and engineering solutions for defense.
2+ YOEAssociate's or Bachelor's (or equivalent experience), minimum 2 years IT support experience, U.S. citizenship and eligibility for DoD Secret clearance, experience with Microsoft 365, Active Directory, Linux, MacOS, and strong organizational skills.
Microsoft 365 GCC High, Microsoft SharePoint Online, Microsoft Exchange, Active Directory, Group Policy, Entra ID, Intune, Linux, Red Hat, Ubuntu, Red Hat Satellite Server, Mac OS, Azure
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3mo
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System Administrator-SR
Huntsville, Alabama, United States
OnsiteFull Time
Constellation West
Constellation West: Provides mission-critical technology services for federal government agencies.
8+ YOE8+ years experience; 4-year degree or 4 extra years experience in lieu; onsite Huntsville, AL; Active SECRET clearance; DoD 8140 Security+; Windows/Linux admin; AD, virtualization; STIG compliance; hardware/software support.
Windows, Linux, Active Directory, Virtualization, STIGs, Security+, DoD 8140
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2w
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System Administrator: HSV-26109
Huntsville, Alabama, United States
OnsiteFull Time
deciBel Research
deciBel Research: Developing advanced radar and sensor technologies for defense missions.
Bachelor's in STEM, active Secret clearance, DOD 8140 IAT Level II or higher, systems administration experience on Microsoft Windows or RedHat Enterprise Linux, scripting (Python/Perl/Bash/PowerShell), and DevOps/tooling knowledge.
Microsoft Windows, RedHat Enterprise Linux (RHEL), Python, Perl, Bash, PowerShell, Kubernetes, Nexus, Docker, GitLab, ACAS, SAN, NAS
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1mo
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Systems Administrator 2nd shift
Huntsville, Alabama, United States
$51k-$82k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
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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1mo
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Network Administrator Lead
Huntsville, Alabama, United States
OnsiteFull Time
PeopleTec
PeopleTec: Provides technical services and solutions to defense agencies.
8+ YOERequires U.S. citizenship and active DoD Secret clearance; 8+ years network engineering experience; bachelor\u0002s in STEM; DoD 8140/8570 IAT/IAM Level II (e.g., Security+, CySA+) and experience with TSN, TTE, VMware, Windows Server, Active Directory, Linux, Cisco, network analysis tools, and scripting (Python/PowerShell/Bash).
Time-Sensitive Networking (TSN), Time-Triggered Ethernet (TTE), VMware, Windows Server, Active Directory, Linux, Cisco, Wireshark, SolarWinds, Python, PowerShell, Bash, VLANs, QoS, FRER, MBSE
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