37 windows systems administrator jobs at 24 companies in Oxnard, CA

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Principal Windows Systems Administrator - Top Secret required
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 Top Secret clearance, bachelor\u0002s+5yrs (or master\u0002s+3yrs) experience, CompTIA Security+ CE or equivalent, OS certification, NetApp and backup experience, VMware and Windows administration skills.
Redhat Enterprise Linux, NetApp, iscsi, NAS, SAN, Veritas Netbackup, BackupExec, Veeam, VMware, VDS, Microsoft Windows, Splunk, Nessus, Symantec, SCCM, Microsoft Visio, Cisco, Brocade
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
2w
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Classified Windows System Administrator
El Segundo or Chantilly
$75k-$113k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
3+ YOETS/SCI clearance and U.S. citizenship required. 3+ years enterprise Windows administration, 2+ years virtualization (VMware or Hyper-V). Must meet DoD 8570.01-m IAT Level II (CompTIA Security+). Experience with Citrix, Active Directory, NFS, and EM environments preferred.
Citrix, Windows Terminal Server, VMware, Hyper-V, Windows Admin Center, MS SQL, Puppet, PowerShell DSC, Ansible, Bash, PowerShell, Terraform, Python, NFS, Active Directory
1d
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Journeyman Systems Administrator
Camarillo or Point Mugu
$125k-$150k/yr OnsiteFull Time
Saalex
Saalex: Provides engineering, IT, and mission support for defense agencies.
5+ YOERequires 5+ years of systems administration experience, Windows or UNIX/Linux expertise, Security+ or equivalent certification, high school diploma/GED, and active Top Secret clearance with SAP eligibility.
Windows, UNIX, Linux, Windows Server, Risk Management Framework (RMF), Authority to Operate (ATO), Information Assurance (IA), STIG, ACAS, IAVM, Configuration Control Board (CCB), Configuration Management Plans (CMPs)
3d
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Senior Systems Administrator
Goleta, California, United States
$65k-$85k/yr OnsiteFull Time
Tecolote Research
Tecolote Research: Provides defense acquisition consulting, analytics, and software solutions.
4+ YOE4+ years systems administration experience with AWS, Microsoft 365/Intune, VMware and Zscaler; strong troubleshooting, scripting/automation and documentation skills; ability to operate independently.
AWS, Terraform, Microsoft 365, Exchange Online, Intune, Zscaler, ZIA, ZPA, ZDX, VMware vSphere, vCenter, ESXi, Horizon View, Windows Server, AD, DNS, DHCP, IIS, BitLocker, PowerShell, Python, Defender, Unifi, PowerEdge, SANs
4w
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Senior Systems Administrator - Desktop
Port Hueneme, California, United States
$95k-$135k/yr OnsiteFull Time
HII
HIINYSE: HII: Builds naval ships and provides global defense technology solutions.
5+ YOEActive TS/SCI clearance required; 5+ years desktop administration; expertise with Windows/ThinLinux, Citrix Zendesktop, appV, Windows Terminal Services, MECM/SCCM, endpoint security, SRG/STIG security baselines, hardware/software lifecycle and troubleshooting.
Windows, ThinLinux, Citrix Zendesktop, appV, Windows Terminal Services, MECM, SCCM
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Network Systems Administrator
El Segundo, California, United States
$71k-$119k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
1+ YOEProvide day-to-day administration of secure Windows networks for classified environments; maintain servers, firewalls, backups, and support customers. Must hold TS/SCI and meet DoD IAT II certification requirements.
Microsoft Windows Server, Microsoft Exchange Server
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Infrastructure & Systems Administrator
El Segundo, California, United States
$80k-$100k/yr OnsiteFull Time
Space Kinetic
Space Kinetic: Developing propellant-free systems for deploying payloads in space.
3+ YOERequires 3–7 years supporting IT infrastructure or enterprise systems; Windows Server, Linux, Microsoft 365, networking, virtualization, backups, scripting, and cybersecurity experience. Degree optional with substantial experience.
Windows Server, Linux, Ubuntu, Rocky Linux, Proxmox, Microsoft 365, Microsoft Entra ID, Microsoft Intune, Microsoft Exchange Online, Microsoft SharePoint, PowerShell, Bash, Docker, Kubernetes, Python, Ansible, TCP/IP, VLANs, VPNs, CMMC
1mo
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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
1mo
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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
2d
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System Administrator
Point Mugu, California, United States
$130k-$145k/yr OnsiteFull Time
ASEC
ASEC: Provides engineering and flight support services for military aviation.
5+ YOERequires U.S. citizenship, active DoD Top Secret clearance, CompTIA Security+, five years of related system administration experience preferred, VMware, Windows, DNS, policies, and Active Directory experience.
ACAS, Evaluate STIG, DISA STIG, FISMA, NIST 800-53, DoD SRG, vCenter, VMware, Windows, Linux, Host Based Security Systems (HBSS), Domain Name System (DNS), Microsoft Active Directory (AD), Windows PowerShell
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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.
0+ YOEBachelor's or equivalent experience, DoD 8570 baseline certification (Security+), IAT Level II (or obtain within 6 months), Secret clearance, Linux/Windows Server, SolarWinds, VMware/ESXi experience, systems administration/cybersecurity experience.
Linux, SolarWinds, Windows Server, Active Directory, Group Policy, VMware, ESXi
1w
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System Administrator I
Goleta, California, United States
$75k-$85k/yr OnsiteFull Time
Atomica
Atomica: Operates the largest MEMS foundry in the United States
2+ YOE2+ years IT systems support experience, Microsoft 365 administration, desktop (Windows/Linux/macOS), Active Directory, DELL/HP/Cisco hardware, documentation skills, customer-focused communication; PowerShell and cloud exposure preferred.
Microsoft 365, Windows, Linux, macOS, Active Directory, DELL, HP, Cisco, Microsoft PowerPoint, Microsoft Visio, Microsoft Word, Microsoft Excel, PowerShell, CRM, ERP, MES
1w
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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.
0+ YOEBachelor's or 4 yrs experience in lieu; DoD 8570 baseline (Security+) and IAT Level II; Linux, Windows Server, Active Directory, VMware/ESXi, SolarWinds experience; Secret clearance; ability to support deployable C4I systems.
Linux, SolarWinds, Windows Server, Active Directory, Group Policy, VMware, ESXi
2w
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IT System Administrator
Los Angeles or El Segundo or Hawthorne
$80k-$100k/yr OnsiteFull Time
Freeform
Freeform: Deploys autonomous AI-powered metal 3D printing factories.
1+ YOE1+ years system administration experience with on-prem infrastructure, Windows/Linux administration, Active Directory/Azure AD, endpoint management (Intune,GPO), networking, AV support, lifting ability, and security-first mindset.
Kubernetes (k8s), Ansible, PowerShell DSC, AWS, Azure, GCP, Grafana, Prometheus, Python, Bash, PowerShell, Siemens Teamcenter, MATLAB, Visual Studio, Active Directory, Azure AD / Entra ID, Microsoft Intune, Group Policy (GPOs), SAN
1mo
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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
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
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
6h
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Application Administrator Assoc
El Segundo, California, United States
$74k-$93k/yr OnsiteFull Time
Kinecta Federal Credit Union
Kinecta Federal Credit Union: Member-owned cooperative providing banking, loans, and investment services.
1+ YOERequires nCino and Salesforce experience, 1–2 years of system administration, 5 years in financial services with commercial loan exposure, and a bachelor's degree or applicable technical experience.
nCino, Salesforce, Salesforce Financial Services Cloud, CASH, SilverLake, Symitar, Microsoft Windows, Microsoft Word, Microsoft Excel
1mo
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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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