67 linux systems administrator jobs at 45 companies in Compton, CA

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
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
2w
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Principal Linux Systems Administrator / Sr. Principal Linux Systems Administrator (AHT)
Redondo Beach, California, United States
$104k-$194k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
5+ YOELinux system administration (Red Hat), OS/hardware/network troubleshooting, RPM/package management, shell scripting, ability to obtain DoD Secret clearance, bachelors in CS or equivalent experience (5+ years).
Linux, Red Hat, RPM, VMware, shell scripting
2w
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Principal Linux Systems Administrator / Sr. Principal Linux Systems Administrator (AHT)
Redondo Beach, California, United States
$104k-$194k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEStrong Linux (Red Hat) system administration experience, OS/package management (RPM), shell scripting, hardware troubleshooting, ability to obtain DoD Secret clearance, bachelor's degree in CS or related (or equivalent experience).
Linux, Red Hat, VMware, RPM, Shell scripting
2d
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RHEL 8 Linux Systems Administrator
El Segundo, California, United States
$120k-$160k/yr OnsiteFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
5+ YOEActive Top Secret clearance with SCI/SAP eligibility, DoD 8140 certification (Security+/CISSP), 3+ years Linux administration (RHEL 8+), experience with air-gapped/high-security systems, Bash/Python scripting, and strong documentation skills.
RHEL 8, Bash, Python, Ansible, KVM, VMware, Podman, Docker, Kubernetes, SELinux, systemd, LVM, STIGs, CIS benchmarks
2d
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RHEL 8 Linux Systems Administrator
El Segundo, California, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
5+ YOEActive Top Secret/TS-SCI clearance, DoD 8140 certification (e.g., Security+, CISSP), 3+ years enterprise Linux (RHEL 8+) administration, Bash/Python scripting, SELinux/systemd/LVM knowledge, STIGs/CIS compliance, strong documentation skills.
RHEL 8, Bash, Python, SELinux, systemd, LVM, STIGs, CIS benchmarks, Ansible, KVM, VMware, Podman, Docker, Kubernetes
2d
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Sr Linux Administrator
Long Beach, California, United States
$103k-$155k/yr OnsiteFull Time
Relativity Space
Relativity Space: Designing and manufacturing 3D-printed rockets and launch vehicles.
6+ YOE6+ years Linux and Windows systems administration experience; expertise in Linux administration, Active Directory/DNS/DHCP, enterprise backups; networking troubleshooting; automation and documentation skills.
Azure, GCP, Active Directory, DNS, DHCP, Veeam, Commvault, Rubrik, Ansible, Puppet, Terraform, Bash, Python, PowerShell
2mo
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Linux Administrator
Irvine, California, United States
$100k-$115k/yr OnsiteFull Time
Boot Barn
Boot BarnNYSE: BOOT: Specialty retailer of western and work-related apparel and footwear.
3+ YOEBachelors or equivalent experience, 3+ years system administration, Windows Domain Group Policy, Microsoft Exchange/Office 365, PowerShell, Microsoft Windows Server, virtualization, networking, Azure, Kubernetes, Ansible, scripting, backup and restore, and willingness to work extended hours.
Microsoft Windows Server, Microsoft Active Directory, DNS, DHCP, SMB, NFS, Kubernetes, Ansible, PowerShell, Microsoft Exchange, Microsoft Office 365, Azure, PAM, MDM
1mo
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Linux System Administrator (Associate)
Seal Beach, California, United States
$79k-$133k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
Active Top Secret/SCI or recent Tier 5 (T5); experience with Linux (RHEL), AWS, system provisioning/patching, user administration; ability to obtain Security+ / IAT Level 2; U.S. person required; willingness to relocate if needed.
Red Hat, RHEL, AWS, Linux, Agile, Joint Special Access Program Implementation Guide (JSIG), Risk Management Framework (RMF)
1mo
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Linux System Administrator (Associate)
Seal Beach, California, United States
$79k-$133k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
Active U.S. Top Secret/TS-SCI clearance, U.S. citizenship, experience with Linux (RHEL) and AWS, knowledge of JSIG and RMF, ability to obtain Security+/IAT Level 2, willingness to relocate if needed.
Red Hat Enterprise Linux (RHEL), Linux, AWS, JSIG, RMF, Agile
3w
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IT Systems Administrator
Orange, California, United States
$80k-$115k/yr OnsiteFull Time
Winchester Interconnect
Winchester Interconnect: Designs and manufactures custom connectors and cable assemblies.
8+ YOE8+ years systems administration experience in multi-site manufacturing; 8+ years SQL/database administration; proficiency with Windows Server, Linux/Unix, virtualization, cloud platforms, networking, backup/DR, and cybersecurity.
Google Enterprise, ADP, Crowdstrike Falcon, Tanium, Microsoft Active Directory, GlobalShop, SQL, Microsoft Windows Server, Linux/Unix, VMware, Microsoft Hyper-V, AWS, Microsoft Azure, Google Cloud
1mo
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IT Systems Administrator
Seal Beach, California, United States
$86k-$150k/yr OnsiteFull Time
AstroForge
AstroForge: Mines and refines valuable minerals from near-Earth asteroids.
3+ YOE3+ years in IT systems administration with cross-platform support (macOS, Windows, Linux); network administration; IAM; cloud and SaaS management; ITAR/CMMC awareness.
macOS, Windows, Linux, routing, switching, VPNs, firewalls, wireless, Active Directory, Azure AD, Okta, AWS, GCP, Azure, Google Workspace, Microsoft 365, Slack, Zoom, GitHub, Bash, PowerShell, Python, Jamf, Intune, NIST CSF, CIS Controls, CompTIA Security+, Network+
1mo
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Senior Systems Administrator
Costa Mesa, California, United States
$146k-$194k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
8+ YOE8+ years designing and implementing classified IT systems; experience with air-gapped systems, physical hardware, virtualization (VMware/Podman), Windows and Linux administration, DISA STIG hardening, NIST 800-53/RMF familiarity, automation, DoD 8570/8140 baseline certification, and active U.S. Top Secret clearance.
Lattice OS, Microsoft Windows, Microsoft Windows Server, Linux, VMware, Podman, Ansible, DISA STIGs, NIST 800-53, Risk Management Framework (RMF)
3w
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Systems Administrator
Los Angeles, California, United States
$85k-$120k/yr OnsiteFull Time
Antares
Antares: Designing and manufacturing microreactors for defense and space missions.
2+ YOE2+ years IT support/systems administration experience; Microsoft 365/Entra ID/Intune knowledge; endpoint, networking, and cloud (Azure/AWS) familiarity; PowerShell and troubleshooting skills; compliance/audit documentation experience.
Microsoft 365, Microsoft Entra ID, Microsoft Intune, Microsoft Defender, Microsoft Exchange, Microsoft Teams, Microsoft SharePoint, Windows, macOS, Linux, PowerShell, Microsoft Azure, AWS, GCC High, Ubiquiti, UniFi, Zoom, PSA, RMM, VPN, LAN, WAN, WiFi, TCP/IP, DNS, DHCP, VLAN, NAC
4w
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Senior Systems Administrator
Torrance, California, United States
$110k-$137k/yr OnsiteFull Time
Red Cat Holdings
Red Cat HoldingsNASDAQ: RCAT: Providing all-domain drone and robotic solutions for defense.
7+ YOE7+ years systems administration experience, 3+ years in senior/lead capacity. Strong Windows, Linux, Microsoft 365, Azure/AWS, identity, endpoint, backup, monitoring, Jira/Confluence, scripting (PowerShell/Python/Bash), security and incident response. US work authorization required for ITAR/EAR roles.
Microsoft 365, Microsoft GCC High, Windows, Linux, macOS, Entra ID, Active Directory, DNS, DHCP, Group Policy, Azure, AWS, PowerShell, Jira, Jira Service Management, Confluence, Smartsheet, Adobe Acrobat, SolidWorks PDM, GitLab, GitHub, Jenkins Build Server, Microsoft Intune, Microsoft Autopilot, Microsoft Defender, Microsoft Purview, Exchange Online Protection, VMware, Python, Bash
4w
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Senior Systems Administrator
Torrance, California, United States
$110k-$137k/yr OnsiteFull Time
Red Cat Holdings
Red Cat HoldingsNASDAQ: RCAT: Manufacturing tactical drone systems for defense and security.
7+ YOE7+ years systems administration experience (3+ in senior/lead capacity). Strong Windows/Linux/macOS, Active Directory/Entra ID, Azure/AWS, endpoint, backup, monitoring, and incident response skills; Jira/Confluence experience; strong communication and troubleshooting; background check and U.S. work authorization required for export‑restricted roles...
Microsoft 365, Microsoft GCC High, Windows Server, Windows, Linux, macOS, Microsoft Entra ID, Microsoft Azure AD, Active Directory, DNS, DHCP, Group Policy, Microsoft Exchange Online, Microsoft SharePoint, Microsoft Teams, Microsoft OneDrive, Microsoft Exchange Online Protection, Azure, AWS, Jira, Jira Service Management, Confluence, Smartsheet, Adobe Acrobat, SolidWorks PDM, GitLab, GitHub, Jenkins Build Server, PowerShell, Python, Bash, Microsoft Intune, Microsoft Autopilot, Microsoft Defender, Microsoft Purview, VMware
1w
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Information Systems Administrator
Hawthorne, California, United States
OnsiteFull Time
Quantum Space
Quantum Space: Developing maneuverable spacecraft platforms for defense and commercial missions.
4+ YOE4+ years in system administration/DevOps/cloud/network support; experience with Linux/macOS/Windows, scripting (BASH/Shell/YAML), IaC (Terraform/Ansible/Puppet), Azure/AWS, IdP/SAML, cybersecurity (CompTIA Security+), and ability to obtain/maintain security clearance.
Linux, macOS, Windows, BASH, Shell, YAML, Terraform, Ansible, Puppet, Microsoft Azure, Amazon Web Services, IdP, SAML
4w
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Sr. Principal Systems Administrator
El Segundo or United States
$118k-$225k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
8+ YOEU.S. citizen with active Secret DoD clearance, typically 8+ years' systems administration experience (or Advanced Degree +5 years). Experience with Red Hat Enterprise Linux, Microsoft Windows/AD, VMware, storage, backups, and security; CompTIA Security+ CE (DoDD 8140/8570) required within 6 months.
Red Hat Enterprise Linux, Active Directory, DNS, DHCP, VMware, VMware vCenter, vSphere, ESX, Splunk, Linux, Windows 10, Windows 11, Microsoft WSUS, Microsoft SCCM, Microsoft Exchange, NAS, SAN
3w
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Network Systems Administrator
San Salvador or Los Angeles
OnsiteFull Time
AireSpring
AireSpring: Provides managed connectivity, cloud communications, and network security services.
7+ YOE7–8 years experience designing, configuring, and maintaining Windows and Linux platforms, hypervisors (KVM, ESXi, Hyper-V), network services (SD-WAN, IPsec, SBCs, QoS, TACACS), automation and scripting, HA systems, and system troubleshooting.
Windows, Linux, KVM, ESXi, Hyper-V, Dell, HP, Intel, Super Micro, SSHd, IPsec, SBCs, QoS, AAA, TACACS, syslog, iPerf, firewalld, SQL, ACLs, VRFs, RAID
2w
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Systems Administrator IV
Lancaster or Palmdale or Edwards AFB
$97k-$130k/yr OnsiteFull Time
JT4
JT4NYSE: AMTM: Provides engineering and technical support for military test ranges.
9+ YOEBachelor's or equivalent, minimum 9 years systems experience, US citizenship, valid driver's license, ability to obtain security clearance, experience with Windows and Red Hat Enterprise Linux, VMware/VxRail, NAS/SAN, and CompTIA Security+ within 180 days.
Windows, Red Hat Enterprise Linux, VxRail, VMware, ESXi, vCenter, vSAN, Network-Attached Storage (NAS), Storage Area Network (SAN)
1mo
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Enterprise Systems Administrator
Dominguez Hills, California, United States
$8k-$9k/mo OnsiteFull Time
California State University
California State University: Public university system providing higher education and academic research.
4+ YOEBachelor’s degree in related field and four years of relevant experience; strong knowledge of enterprise infrastructure, Windows/Linux, cloud, AD, virtualization, scripting; AWS/Azure; O365; disaster recovery.
Windows, Linux, Active Directory, O365, Cloud services, AWS, Azure, Virtualization, Scripting, Backup and recovery, Data center
10h
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DreamWorks Technology - Systems Administrator, Operations
Glendale, California, United States
$70k-$85k/yr OnsiteFull Time
NBCUniversal
NBCUniversalNASDAQ: CMCSA: Produces and distributes entertainment content and theme park experiences.
3+ YOE3+ years supporting UNIX/Linux and/or Windows in enterprise environments; undergraduate degree or equivalent; experience with AD, networking, scripting (Bash, Python, PowerShell, Perl); strong troubleshooting and customer service skills.
SSH, rsync, Active Directory, Group Policies, File Sharing, Print Services, Bash, Python, Microsoft PowerShell, Perl, Gmail, Google Suite, Jira, Linux, OSX, Windows