90 windows system administrator jobs at 63 companies in Oak Park, CA

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Principal Windows System Administrator
El Segundo, California, United States
$96k-$182k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.
5+ YOERequires 5+ years relevant experience or an advanced degree with 3+ years, active Secret clearance, U.S. citizenship, Windows administration experience, and Security+ CE or equivalent within 6 months.
Active Directory, Exchange, WSUS, Hyper-V, VMware, Group Policy, Ivanti, Splunk, Tenable, Symantec, Nessus, HPE MSA, NetApp, DNS, DHCP, VMware vCenter, vSphere, ESXi, Virtual Desktop Infrastructure (VDI), Microsoft Hypervisor
1mo
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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
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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
5d
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Senior System Administrator
Playa Vista, California, United States
$97k-$154k/yr OnsiteFull Time
Inversion Space
Inversion Space: Building autonomous re-entry vehicles for global space-to-Earth cargo delivery.
5+ YOERequires 5+ years’ comparable experience, secure or defense environment experience, cloud, virtualization, networking, Windows/Linux administration, troubleshooting, and ability to obtain a U.S. government Secret/Top Secret clearance.
AWS, Microsoft Azure, Google Cloud Platform (GCP), Windows, Linux, Red Hat Enterprise Linux (RHEL), Docker, Kubernetes, PowerShell, Bash, Ansible, Terraform, AWS DevOps, AWS Solutions Architect, Google Professional Cloud Architect, Azure DevOps, Azure Solutions Architect
3mo
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IT System Administrator
Commerce, California, United States
$55k-$59k/yr OnsiteFull Time
JWCH Institute
JWCH Institute: Provides medical care and social services to underserved populations.
3+ YOE3+ years Windows server administration; associate degree or equivalent experience; strong AD, EHR, and IT infrastructure skills.
Windows Server, Active Directory, Office 365, NextGen EHR, EDR, Care Sentry, Welligent, Casewatch, antivirus, backup, monitoring
1mo
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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
2d
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System Administrator II
Colorado Springs or Irvine or Denver or Indianapolis or Grand Rapids or Lexington or Los Angeles or Louisville or Texas or San Francisco or United States
$110k-$120k/yr OnsiteFull Time
Trace3
Trace3: Provides IT consulting and technology solutions for enterprise digital transformation.
3+ YOERequires 3–5 years of Windows or Linux systems administration, Security+ certification, bachelor's degree or equivalent experience, Secret clearance eligibility, and enterprise infrastructure experience.
Active Directory, DNS, DHCP, Group Policy, VMware vSphere, ESXi, Hyper-V, Azure, AWS, GCC High, STIG, IAVA, NIST, FedRAMP, CMMC, RMF, PowerShell, Bash, Python, Ansible, SCCM, MECM, Chef, Puppet
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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System Administrator - Level 4
Pasadena, California, United States
$107k-$160k/yr OnsiteFull Time
Sophia Space
Sophia Space: Modular data center hardware for in-orbit computing and AI.
5+ YOE5+ years systems administration experience supporting mixed macOS/Windows/Linux environments; strong identity/access, MDM, networking, troubleshooting, documentation, and automation skills (Python/Bash/PowerShell).
Apple Business Manager, Google Workspace, Microsoft Entra ID, Intune, Python, Bash, PowerShell, MDM, SSO, SAML, SCIM, MFA, RBAC, VPNs, VLANs, Wi-Fi, Linux, NIST 800-171, CMMC
2mo
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Senior IT System Administrator
Long Beach, California, United States
$107k-$152k/yr OnsiteFull Time
Vast
Vast: Develops and operates commercial artificial-gravity space stations.
4+ YOE4+ years enterprise IT systems administration; expertise with Windows Server, Active Directory, Group Policy, endpoint management (JAMF/Intune/SCCM), patch management, scripting (PowerShell/Python/Bash), virtualization, and networking fundamentals.
Windows Server, Active Directory Domain Services, Group Policy, Configuration Manager (SCCM), JAMF, Linux, VMware, Hyper-V, PowerShell, Python, Bash, WSUS, Ivanti, Automox, NIST 800-53, CIS benchmarks, CMMC
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System Administrator
Los Angeles, California, United States
$60-$70/hr HybridContract
Cosm
Cosm: Operates immersive entertainment venues and develops shared reality technology.
5+ YOE5+ years infrastructure/system administration experience (media/VFX preferred). Expert Windows/Mac/Linux administration, system imaging, scripting (PowerShell/Bash/Python), render farm and storage management, AWS and monitoring tools.
Windows, Mac, Linux, WDS, WSUS, SCCM, ECM, PDQ Deploy, PowerShell, Bash, Python, HP Anyware, Parsec, Splashtop, Jump Desktop, Nuke, Resolve, Cinema 4D, Houdini, Thinkbox Deadline, AWS Deadline Cloud, RenderMan, LogicMonitor, Grafana, S3, EC2, VPC, Intune, Apple Business, JAMF Pro, Cisco Prime, Arista CloudVision, Aruba Central, Ruckus SmartZone
2mo
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System Administrator
Glendale, California, United States
$103k-$130k/yr OnsiteFull Time
Front Porch
Front Porch: Front Porch provides senior living and affordable housing communities.
2+ YOEMaintain and secure servers, networks, backups and monitoring; provide onsite and remote Tier I/II support, on-call coverage, and perform maintenance and disaster recovery tasks.
VMware, Windows Server, Linux, HPE, Pure, Veeam, Veeam Backup and Replication, Backup Exec, VMware Horizon, Citrix, Citrix NetScaler, Azure Windows Virtual Desktop, Active Directory, Exchange, Exchange Online, Group Policy, DNS, DFS, DHCP, SQL, PKI, SharePoint, SCCM, Azure, Skype for Business, Teams, ADFS, M365, Nagios, ManageEngine, Microsoft monitoring solutions, Cisco AnyConnect, iLO, TeamViewer, Remote Desktop, VNC, SSH, telnet, FTP, SDWAN
2mo
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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
2w
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Systems Administrator
Woodland Hills, California, United States
$105k-$115k/yr OnsiteFull Time
Los Angeles Rams
Los Angeles Rams: Operates a professional American football team.
5+ YOERequires 5+ years of systems administration experience, Microsoft enterprise technologies, hybrid cloud, identity platforms, Windows Server, virtualization, Intune, PowerShell, networking, and monitoring platforms.
Microsoft 365, Microsoft Entra ID, Active Directory, Exchange Online, Microsoft Teams, Microsoft SharePoint Online, Windows Server, VMware, Hyper-V, Microsoft Intune, PowerShell, SAML, SCIM, SSO, DNS, DHCP, SMB, iSCSI, Azure, Linux, Red Hat Enterprise Linux, SQL, Databricks, Jira Service Management
4d
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Systems Administrator
Santa Clarita, California, United States
$32-$37/hr OnsiteFull Time
California Institute of the Arts
California Institute of the Arts: A private, non-profit university specializing in visual and performing arts.
3+ YOEThree years of relevant systems administration experience preferred in academia; expertise with Mac, Windows, and Unix; Microsoft Office, Google, and Adobe applications; hardware troubleshooting and communication skills.
Mac, Windows, Unix, Microsoft Office, Google, Adobe
1w
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Systems Administrator
Simi Valley or Albuquerque
$101k-$153k/yr OnsiteFull Time
AeroVironment
AeroVironmentNASDAQ: AVAV: Designs and manufactures unmanned aircraft and tactical missile systems.
5+ YOEFive or more years in identity management, systems administration, or IT operations; Okta, Active Directory, Windows Server, IAM, RBAC, SSO, MFA, troubleshooting, documentation, and ticketing experience required.
Okta, Microsoft Active Directory, Windows Server, macOS, Linux, Jamf, Microsoft Entra ID, Microsoft 365, PowerShell
5d
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Systems Administrator
La Jolla or Temecula or El Segundo or Beverly Hills or Newport Beach or San Diego or San Diego or California
$91k-$122k/yr OnsiteFull Time
CalPrivate Bank
CalPrivate BankOTCQX: PBAM: Provides commercial banking, private banking, and specialized lending services.
Several years of systems administration or enterprise IT support experience, with strong Windows Server, Active Directory, VMware, Entra ID, Intune, networking, backup, security, troubleshooting, and documentation expertise.
Active Directory, VMware, Microsoft Entra ID, Microsoft Intune, DHCP, DNS, Windows Server, Group Policy, IAM, PAM, VPN, LAN/WAN, TCP/IP
4d
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Systems Administrator
Santa Clarita, California, United States
$32-$37/hr OnsiteFull Time
California Institute of the Arts
California Institute of the Arts: Provides degree-granting education in visual and performing arts.
3+ YOEThree years of relevant systems administration experience, preferably academic; expertise with Mac, Windows, and Unix; Microsoft Office, Google, and Adobe proficiency; related undergraduate degree or equivalent experience.
Mac, Windows, Unix, Microsoft Office, Google, Adobe
2mo
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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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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)

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