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18 linux system administrator jobs at 10 companies in Oxnard, CA

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Cupertino, CA, US
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2w
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Linux System Admin
El Segundo, California, United States
$96k-$182k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.
5+ YOERequires active transferable U.S. Top Secret clearance, typically a university degree plus 5+ years experience (or advanced degree +3 years); Linux, AD/VMware/admin, backup/recovery, security hardening experience; must obtain DoDD 8140/8570 (CompTIA Security+ CE or equivalent) within 6 months.
Linux, Kerberos, LDAP, Centrify, Symantec NetBackup, VMware vCenter, vSphere, ESXi, Active Directory, SMTP, DHCP, DNS, NIS, CIFS, NFS, Samba, HP MSA, Microsoft WSUS, MECM, Exchange
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1mo
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Principal System Administrator Windows or Linux
El Segundo, California, United States
$96k-$182k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.
5+ YOEActive transferable U.S. Top Secret clearance and U.S. citizenship required; typically 5+ years relevant experience (or 3+ with advanced degree); experience with Microsoft Windows and/or RedHat Enterprise Linux, ESXi/vCenter, Windows domains, DNS/DHCP/AD, backups, hardware RAID, containers, and cybersecurity; must obtain DoDD 8140/8570 (CompTIA Sec...
Microsoft Windows, RedHat Enterprise Linux, ESXi, VCenter, Windows Server, Ansible, DNS, DHCP, AD
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3d
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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
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15h
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System Administrator
Port Hueneme, California, United States
$40k-$80k/yr OnsiteFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
2+ YOEBachelors +2 years (or 6 years experience) and DoD 8570 cybersecurity certifications; IAT Level II (or obtain within 6 months); Secret clearance; Linux, Windows Server, virtualization, SolarWinds experience required.
Linux, SolarWinds, Windows Server, Active Directory, Group Policy, vmWare, ESXi
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15h
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System Administrator
Port Hueneme, California, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
2+ YOEBachelors +2 years (or 4 additional years experience), DoD 8570 baseline cert (Security+), IAT Level II or ability to obtain, experience with Linux, SolarWinds, Windows Server, Active Directory, virtualization (vmWare/ESXi), Secret clearance.
Linux, SolarWinds, Windows Server, Active Directory, Group Policy, vmWare, ESXi
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3d
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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
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1mo
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System Administrator (System Administrator, willing to consider all levels)
Goleta, California, United States
$85k-$145k/yr HybridFull Time
Redwire
RedwireNYSE: RDW: Manufactures infrastructure and hardware components for diverse space missions.
2+ YOEProvide IT support and systems administration in a hybrid Active Directory/Azure AD environment; desktop, server, network troubleshooting; must have or obtain CompTIA Security+ within 90 days; 2+ years IT experience or equivalent.
Microsoft Office 365, Microsoft Azure Active Directory, Microsoft Active Directory, Windows Server, Windows 10, Windows 11, macOS, Linux, VLAN, Zero Trust Architecture, 802.1x, Microsoft Teams
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4w
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System Administrator, IT Services
Calabasas, California, United States
$90k-$100k/yr OnsiteFull Time
AmaWaterways
AmaWaterways: Provides luxury river cruise vacations on international waterways.
3+ YOE3–5 years system administration experience; Associate's or Bachelor's in IT/CS/IS or equivalent; hands-on with VMware, Citrix, Microsoft 365/Entra, Azure/AWS, 8x8, Cisco, Intune, PowerShell, ITSM and backup/patch management; participates in on-call rotation.
VMware vSphere, ESXi, vCenter, Citrix Cloud, Citrix DaaS, Citrix Virtual Apps and Desktops, Microsoft 365, Microsoft Exchange Online, Microsoft Teams, Microsoft SharePoint Online, OneDrive, Active Directory, Microsoft Entra ID, Microsoft Azure, AWS, 8x8, Cisco, Windows Server, Linux, Microsoft Intune, Windows 10, Windows 11, macOS, ServiceNow, Jira Service Management, Freshservice, PowerShell, Microsoft Office, Veeam, Microsoft Teams Rooms
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1w
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Information System Administrator
Thousand Oaks or Camarillo
$78k-$104k/yr OnsiteFull Time
Teledyne Technologies
Teledyne TechnologiesNYSE: TDY: Manufactures sensors, cameras, and electronics for aerospace and defense.
5+ YOE5+ years system administration in classified/government environments; expertise in Windows Server, Active Directory, virtualization, enterprise storage, Cisco networking, cybersecurity frameworks (RMF/NIST), and DoD 8140 IAT Level II (Security+ or higher); active Secret clearance and U.S. citizenship required.
Windows Server, Active Directory, VMware, Hyper-V, Dell EMC Unity, Cisco, IDS/IPS, RMF, NIST 800-53, ITIL, Linux
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3w
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System Administrator, IT Services (Cloud, Network, & Security)
Calabasas, California, United States
$100k-$125k/yr OnsiteFull Time
AmaWaterways
AmaWaterways: Provides luxury river cruise vacations on international waterways.
3+ YOE3+ years system administration experience with cloud (Azure/AWS), Cisco networking, security practices, VMware/Citrix, Microsoft 365/Entra ID, PowerShell scripting, and strong documentation and customer-service skills.
Microsoft Azure, AWS, Cisco, Microsoft Entra ID, Azure Policy, Microsoft Defender for Cloud, AWS Security Hub, AWS Config, VMware vSphere, ESXi, vCenter, Citrix Cloud, Citrix DaaS, Microsoft 365, Exchange Online, Microsoft Teams, SharePoint Online, OneDrive, Active Directory, 8x8, Microsoft Defender, EDR, AV, SIEM, Microsoft Intune, PowerShell, Azure CLI, AWS CLI, ITSM, Microsoft Office, Veeam, Windows Server, Linux, BitLocker, FileVault, DNS, DHCP, NTP, IPAM
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1mo
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Systems Administrator
Port Hueneme, California, United States
$108k-$145k/yr OnsiteFull Time
Resource Management Concepts
Resource Management Concepts: Provides IT, cybersecurity, and engineering solutions to government agencies.
3+ YOEBachelor's in CS/IS/Engineering, 3+ years systems administration experience, active Top Secret (T5) clearance, IAT Level II (DoD 8570/8140) certification required; experience with Windows/Linux, virtualization, and cybersecurity.
Windows, Linux, firewalls, antivirus solutions, intrusion detection systems, virtualization
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1mo
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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
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5d
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Sr. Windows and Linux Multi - Discipline SysAdmin
El Segundo, California, United States
$96k-$182k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
5+ YOEActive transferable U.S. Secret clearance, 5+ years systems administration experience with Windows and Linux, DoDD 8140/8570 compliance (CompTIA Security+ CE or equivalent within 6 months), and experience with AD, DNS, DHCP, backups, and virtualization.
Red Hat Enterprise Linux, Microsoft Windows, DNS, DHCP, Microsoft Active Directory, VMware vSphere, ESXi, vCenter, Chef, Ansible, Puppet, CFEngine, NetApp FAS8000, AWS, Azure, MatLab, Subversion, MDT, WSUS, MECM, Horizon
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3w
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IT Systems Administrator - Millennium Space Systems
El Segundo, California, United States
$103k-$174k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
Maintain and configure secure enterprise and air-gapped systems; administer Windows Server, VMware, and Red Hat Linux; obtain DoD IAT/ Security+ certifications; active U.S. TS/SCI security clearance required.
Windows Server, Windows 10, VMware vCenter, VMware vSphere, Red Hat Linux, Active Directory (AD), VEEAM Backup Suite, Power Protect Data Manager, Cisco, Palo Alto, Juniper, DNS, Group Policy, Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft Project, DoD STIGs
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3w
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IT Systems Administrator - Millennium Space Systems
El Segundo, California, United States
$103k-$174k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
Maintain and administer secure enterprise and air-gapped systems (Windows Server, VMware, Red Hat Linux); provide Tier II support; maintain documentation; must hold an active U.S. Top Secret/SCI clearance and be a U.S. Person.
Windows Server, Windows 10, VMware vCenter, vSphere, Red Hat Linux, Active Directory, DoD STIGs, Cisco, Palo Alto, Juniper, VEEAM Backup Suite, Power Protect Data Manager, DNS, Group Policies, Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft Project
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2mo
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#2651 Network Systems Engineer (NE30)
Port Hueneme, California, United States
$93k-$110k/yr OnsiteFull Time
AdvantEdge Technology
AdvantEdge Technology: Provides engineering and technical support services for naval systems.
4+ YOEFull-time network systems engineer with 4+ years of network administration experience or 10+ years with no degree; Windows/Linux, certifications; able to document and support network hardware and systems.
Windows Server, Linux, Unix, Red Hat Linux, Microsoft Office, Azure Fundamentals, LPIC
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1mo
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Software Deployment & Integration Engineer
El Segundo or Hawthorne or Los Angeles or Washington or San Francisco or San Diego or Seattle or London
$145k-$220k/yr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
3+ YOEBachelor's in STEM or equivalent experience, 3+ years in systems/software integration or test engineering, strong Linux administration, Python/Bash scripting, networking, system bring-up, test automation, and clear technical documentation skills.
Python, Bash, Linux, Ubuntu, Docker, Microsoft Azure CLI, Jsonnet, Ansible, Playwright, Selenium, Cypress, chrony, linuxptp, timemaster, PTP, NTP, GNSS
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1mo
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Co-Director, CSC, Head Computation Strategies, California Nanosystems Institute
Santa Barbara, California, United States
$120k-$165k/yr OnsiteFull Time
University of California
University of California: A public research university system providing education and healthcare.
5+ YOEMaster's degree in science or engineering or Bachelor's with 5+ years' equivalent experience; proven Linux systems administration, HPC experience, programming/debugging skills, and familiarity with Infiniband, Warewulf, and Slurm.
Linux, Windows, macOS, Infiniband, Warewulf, Slurm
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