241 windows administrator jobs at 171 companies in La Puente, 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
4d
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System Administrator
Fort Worth or San Dimas or Piney Flats or Conyers or Goodyear
OnsiteFull Time
KPS Global
KPS Global: A North American manufacturer and installer of walk-in coolers and freezers for retail, industrial, and scientific applications.
5+ YOERequires 5–7 years of systems administration experience, hands-on Azure and Microsoft 365 administration, Windows Server expertise, backup and recovery, security monitoring, incident response, and complex troubleshooting.
Windows Server, Active Directory, Group Policy, DNS/DHCP, Microsoft 365, Exchange Online, Microsoft SharePoint Online, Microsoft Teams, Entra ID, Microsoft Azure, Microsoft Intune, Endpoint Detection and Response (EDR), Privileged Access Management (PAM), Multi-Factor Authentication (MFA), NIST, CIS Controls
3w
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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
1w
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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
1d
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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
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Systems Administrator
Brea, California, United States
$85k-$120k/yr OnsiteFull Time
Air Treatment Corporation
Air Treatment Corporation: Sells and services commercial HVAC and refrigeration systems.
Bachelor's degree or equivalent experience, systems administration experience, Windows Server, Hyper-V, networking, security, cloud platforms, scripting, Active Directory, backups, and on-call support.
Windows Server, Windows Hyper-V, AWS, Azure, Bash, PowerShell, Python, Active Directory, Group Policy, Microsoft Certified Solutions Expert (MCSE)
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Network Administrator
Los Angeles or Monterey Park
$120k-$160k/yr OnsiteFull Time
Cumming Group
Cumming Group: International consultancy providing construction project and cost management services.
7+ YOEBachelor's degree in computer science or related field and 7 years of systems and network administration experience. Requires Windows, networking protocols, security, virtualization, cloud, troubleshooting, and automation expertise.
Microsoft Windows, Windows Servers, DNS, DHCP, SMTP, HTTP, HTTPS, SFTP, Microsoft Active Directory Services, Entra ID, Office 365, Microsoft SharePoint, VPN Appliances, Cisco Meraki Appliances, Enterprise Antivirus, CrowdStrike, Zoom Administration, Microsoft Teams, VPNs, ACLs, IPSEC, SSL, PowerShell, VMware, Hyper-V, Rubrik Backup and Recovery, Nessus, Splunk
1d
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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
3mo
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System Administrator
Panorama City, California, United States
$40-$50/hr OnsiteFull Time
PureTek
PureTek: Manufactures pharmaceuticals, nutritional supplements, and personal care products.
3+ YOE3+ years IT support or system administration experience; strong Windows Server/Active Directory, Microsoft 365, endpoint support, networking, RMM, backup monitoring, troubleshooting, and documentation skills.
Windows Server, Active Directory, DNS, DHCP, Group Policy, File Server, Print Server, Microsoft 365, Exchange Online, Microsoft Teams, SharePoint, OneDrive, Entra ID, Windows 10, Windows 11, Microsoft Office, VPN, NinjaOne, Meraki, SentinelOne, Microsoft Defender, ERP, Power BI, RMM
2d
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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
3d
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Network Administrator
Rancho Cucamonga, California, United States
$122k-$159k/yr OnsiteFull Time
Cucamonga Valley Water District
Cucamonga Valley Water District: Provides water, wastewater, and recycled water utility services.
5+ YOERequires 5 years of enterprise systems and LAN/WAN administration experience, a bachelor's degree, CCNA or CCNP, California Class C driver's license, and expertise in networks, cloud infrastructure, Windows servers, security, and Microsoft O365.
SIEM, IPS, NIST, CIS, ISO 27001, COBIT, PCI DSS, Microsoft O365, Active Directory, Windows, LAN, WAN, Intranet, Internet, VMware, Palo Alto, Microsoft
1mo
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Senior Systems Administrator
Anaheim, California, United States
$85k-$105k/yr OnsiteFull Time
Quantum Electronic Payments
Quantum Electronic Payments: Provides payment processing solutions and merchant services for businesses.
5+ YOE5+ years systems administration experience with Microsoft 365, Active Directory, Windows, networking, endpoint security, backups, and documentation; strong troubleshooting and communication skills.
Microsoft 365, Active Directory, Windows, DNS, DHCP, VPN, PowerShell, SIEM, EDR/MDR
2mo
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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+
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
Irvine, California, United States
$97k-$119k/hr OnsiteFull Time
CTC Global
CTC Global: Manufactures advanced composite cores for high-voltage electricity transmission cables.
7+ YOE7+ years systems administration and infrastructure experience supporting Windows Server, virtualization, cloud, networking and OT (PLCs/SCADA); Bachelor\u0002s or equivalent experience; preferred networking and security certifications.
Windows Server, Active Directory, DNS, DHCP, VMware, Hyper-V, Azure, Microsoft M365, PLCs, SCADA, HMI, TCP/IP, VLANs, Firewall, VPN
2w
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Network Administrator Sr.
Riverside, California, United States
OnsiteFull Time
Provident Savings Bank
Provident Savings BankNASDAQ: PROV: Community bank providing personal, business, and mortgage banking services.
7+ YOERequires 7+ years of IT experience, 4+ years in network or system administration, CompTIA Server+ or Network+ or equivalent, CA driver's license, and experience with Windows Server, networking, security, and PowerShell.
Windows Server, Active Directory, SAN, TCP/IP, DNS, DHCP, VPN, PowerShell, Firewalls, IDS, Endpoint Protection, IPS
2mo
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Test Center Administrator (Prometric)
Diamond Bar, California, United States
OnsitePart Time
Sylvan Learning
Sylvan Learning: Personalized K-12 tutoring and test preparation services.
1+ YOEHigh School Diploma required; 1-2 years customer service experience; ability to read instructions; strong report writing; familiarity with Windows and browser use.
Windows, Internet Browser
2d
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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
1mo
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HSSE Administrator
Long Beach, California, United States
$70k-$80k/yr OnsiteFull Time
Curtin Maritime
Curtin Maritime: American marine solutions providing transportation and construction services.
Maintain HSSE records, support compliance and reporting, assist audits and permits, coordinate vendors, and provide administrative support for maritime operations.
Windows, Microsoft 365