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45 linux systems administrator jobs at 32 companies in Alabama

2w
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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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1mo
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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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1mo
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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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Mid-Level Linux System Administrator
Huntsville or United States
OnsiteFull Time
Torch Technologies
Torch Technologies: Provides research and engineering services to the defense industry.
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
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13h
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Senior Linux System Admin - Marshal Flight Ce
Huntsville, Alabama, United States
$120k/yr HybridFull Time
Altech Solutions
Altech Solutions: A federal IT services supporting NASA cyber, infrastructure, field support, and data analytics programs.
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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4d
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IT Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
Chickasaw Nation Industries
Chickasaw Nation Industries: Provides federal contracting, engineering, 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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1w
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Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
Barrios Technology
Barrios Technology: Engineering and technology services for human spaceflight missions.
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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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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1w
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Systems Administrator – Operational Technology (OT)
Huntsville, Alabama, United States
$87k-$165k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
5+ YOEU.S. citizen able to obtain DoD Secret clearance; 5+ years systems administration experience or 3+ with advanced degree; Windows/Linux administration, DNS/DHCP/AD, OT network experience; obtain DoDD 8140/8570 (CompTIA Security+ or equivalent) within 6 months.
Windows Server, Linux, DNS, DHCP, Active Directory, MDT, WSUS, MECM, Windows 10, Windows 11
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2mo
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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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3w
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Classified Systems Administrator
Huntsville, Alabama, United States
$95k-$143k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national 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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2mo
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Systems Analyst II - Linux
Birmingham, Alabama, United States
$82k-$132k/yr HybridFull Time
UAB Medicine
UAB Medicine: Academic health system providing patient care and medical education.
3+ YOEAssociate degree or equivalent, 3+ years Linux system administration experience, expertise with Red Hat/Oracle Linux, Bash/Python/Perl scripting, networking, virtualization, SAN storage, monitoring tools, and on-call support.
Red Hat Enterprise, Oracle Enterprise, Bash, Python, Perl, Microsoft Active Directory, Tanium, VMware, HyperV, SAN enterprise storage, Xymon, Zabbix, Nagios, VMware vRealize Operations Manager, AWS, Azure, Docker, Kubernetes
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1mo
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Systems Administrator Intermediate
Huntsville, Alabama, United States
$90k-$105k/yr OnsiteFull Time
KaiHonua
KaiHonua: Provides IT and cybersecurity services for federal government agencies.
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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2mo
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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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1w
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Senior Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
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
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1w
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Senior Systems Administrator
Huntsville, Alabama, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
5+ YOEActive Secret clearance with ability to obtain TS/SCI, bachelor\u0002s or equivalent experience, 5+ years experience, DoD 8570 IAT II+ certification, experience with RHEL/Ubuntu/Windows/ESXi, US passport within 30 days, willingness to travel up to 50%.
RHEL, Ubuntu, Windows 11, Windows Server, ESXi
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2mo
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Systems Administrator 2nd shift
Huntsville, Alabama, United States
$51k-$82k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
Provide end-user technical support, install and maintain PCs and network equipment, troubleshoot issues, and support 24/7 operations.
Windows, Linux, Cisco Packet Tracer, Networking, PBX, Servers, Telephones, Cables, Network software
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1mo
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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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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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2d
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System Administrator, Jr.
Panama City or Huntsville
OnsiteFull Time
Mission Multiplier
Mission Multiplier: Provides cybersecurity subject matter expertise and innovative security solutions.
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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