30 active directory administrator jobs at 29 companies in Ladera Ranch, CA

1w
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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)
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
1mo
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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
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
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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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IT Administrator
Carson or Santa Fe Springs
OnsiteFull Time
Woojin IS America
Woojin IS America: Manufactures and refurbishes electric equipment for rail vehicles.
2+ YOE2+ years IT admin/help-desk experience; strong Windows and Microsoft 365 skills; experience with Active Directory, Azure AD/Intune, VPN, networking, endpoint security, asset management, and troubleshooting.
Windows, Microsoft 365, Microsoft Office 365, Active Directory, Azure AD (Entra ID), Microsoft Intune, VPN, Microsoft Outlook, Microsoft Teams, Microsoft Azure, AWS, ERP, CRM, VoIP
6d
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Site IT System Administrator
Chino, California, United States
$80k-$105k/yr HybridFull Time
Luna Innovations
Luna InnovationsOTC Markets: LUNA: Develops advanced fiber-optic sensing and optical testing solutions.
3+ YOERequires 3+ years in IT support or systems administration, Windows, Active Directory, networking, Windows Server, virtualization, asset and vendor management, and an associate-level IT education or equivalent experience.
Active Directory, Microsoft Entra ID, Windows Server, Microsoft 365, Microsoft Azure, VMware, Hyper-V, Microsoft Office, DNS, DHCP, VPN, Intune, SonicWall, CompTIA A+, CompTIA Network+, CompTIA Security+
2w
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Systems Administrator
El Segundo, California, United States
$55k-$75k/yr OnsiteFull Time
Tecolote Research
Tecolote Research: Provides defense acquisition consulting, analytics, and software solutions.
Support Microsoft 365/Exchange/Intune, endpoint and tier-two helpdesk, maintain servers and SAN, administer Active Directory/DNS/DHCP/Group Policy, troubleshoot hardware, VMware exposure, scripting (PowerShell/Python), security frameworks and relevant certifications.
Microsoft 365, Exchange Online, Intune, Dell PowerEdge, PureStorage, Ubiquiti, Unifi, Active Directory, DNS, DHCP, Group Policy, VMware, vSphere, vCenter, ESXi, Horizon View, Zscaler, ZIA, ZPA, ZDX, AWS, EC2, S3, Terraform, PowerShell, Python
1mo
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Sr. Systems Administrator
Vista, California, United States
$73k-$143k/yr OnsiteFull Time
Watkins Wellness
Watkins Wellness: Manufacturer of hot tubs and home wellness products.
5+ YOE5–7 years IT experience; strong Microsoft Active Directory, SCCM/Intune, Azure, VMware vSphere, PowerShell, Okta/EntraID, and cybersecurity knowledge; college degree or IT certification preferred.
Microsoft Active Directory, DNS, DHCP, Group Policy, EntraID, Microsoft SCCM, Microsoft Intune, Azure, VMware vSphere, Okta, PowerShell
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
4d
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Network & IT Infrastructure Administrator
Los Angeles, California, United States
$70k-$100k/yr OnsiteFull Time
SBT Global
SBT Global: Provides integrated IT consulting and global logistics management services.
3+ YOEBachelor's degree and 3+ years in network administration, infrastructure operations, or IT support; experience with Cisco networking, Windows Server, Active Directory, troubleshooting, and Microsoft Office required.
LAN/WAN, WLAN, VPN, Cisco Routers, Cisco Switches, Cisco Firewalls, Cisco Wireless Infrastructure, Windows Server, Active Directory, Microsoft Office Suite, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint, Microsoft Word, Cisco Meraki, Microsoft Entra ID, Microsoft 365, IPSec, SSL VPN, IDS/IPS, VoIP, Unified Communications
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IT Systems Administrator
Riverside, California, United States
$110k-$130k/yr OnsiteFull Time
ENC
ENC: Manufacturer of heavy-duty transit buses and shuttle vehicles.
3+ YOERequires 3+ years of desktop and systems support, Windows laptops and servers, Microsoft 365, Active Directory, Hyper-V, networking, security, documentation, and customer-service skills.
Windows 10, Windows 11, Windows Server 2025, Microsoft Hyper-V, Microsoft 365, Active Directory, Microsoft Entra ID, Group Policy, Exchange Online, Teams, SharePoint, OneDrive, DNS, DHCP, RingCentral, Cisco, Cisco Meraki, Unitrends, TeamViewer, VPN, VLANs
2mo
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Server Administrator (on-site) (no relo)
Alhambra, California, United States
$44-$51/hr OnsiteFull Time
AHMC Healthcare
AHMC Healthcare: Provider of acute care hospital and emergency medical services.
4+ YOE4+ years server administration experience; expertise with Windows Server, Linux, Active Directory, DNS, DHCP, GPOs, VMware vSphere/ESXi and Microsoft Hyper-V; DR/BC planning; Tier 3 Exchange support; healthcare/HIPAA compliance.
Dell PowerEdge, HP ProLiant, Windows Server, Linux, VMware vSphere/ESXi, Microsoft Hyper-V, Active Directory, Group Policy Objects (GPOs), DNS, DHCP, Microsoft Exchange, SAN, NAS
3w
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Service Desk Administrator
Johnston or Melbourne or Tempe or Austin or Aurora or Greenwood Village or Corona or St. Paul or St. Louis or Sioux Falls or McHenry or Houston or Cedar Rapids
$50k-$81k/yr OnsiteFull Time
HR Green
HR Green: Provides engineering and technical consulting for infrastructure and community projects.
1+ YOE1–5 years help desk/IT support experience; working knowledge of Windows 11, Microsoft 365, Citrix, SCCM, Active Directory; valid driver’s license and reliable transportation.
Windows 11, Microsoft 365, Outlook, Teams, OneDrive, Citrix, SCCM, Active Directory, Entra ID (Azure AD)
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IT & Systems Administrator - SoCal Region
San Diego or Vista or San Juan Capistrano or Redondo Beach or Orange or Oceanside or California
$38-$46/hr HybridFull Time
Devil Mountain Wholesale Nursery
Devil Mountain Wholesale Nursery: Wholesale producer and distributor of landscape plants and trees.
5+ YOERequires 5+ years of IT administration and end-user support, Microsoft 365 and Entra ID experience, endpoint management, PowerShell, Windows Server, Active Directory, networking, a California driver's license, and regular regional travel.
Microsoft 365, Exchange Online, Microsoft SharePoint, OneDrive, Microsoft Teams, Entra ID (Azure AD), Entra Connect, Active Directory, Microsoft Intune, PowerShell, NetSuite, Celigo, RingCentral, Point-of-sale systems, Windows Server, RMM, VMWare, MS-102, AZ-104, SC-300, MD-102
2mo
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Junior IT Systems Administrator (part-time)
Pasadena or United States
$35-$45/hr HybridPart Time
Carbon Mapper
Carbon Mapper: Detects and quantifies greenhouse gas emissions using satellite technology.
1+ YOE1–3 years systems administration or IT support experience; experience with Active Directory/Microsoft Entra ID, MDM (Addigy, Jamf, Intune), Windows/macOS endpoints, networking fundamentals, cloud services, and ability to travel to Pasadena-area sites and lift up to 50 lbs.
Windows, macOS, Active Directory, Microsoft Entra ID (Azure AD), Addigy, Jamf, Microsoft Intune, TCP/IP, DNS, DHCP, VLANs, Windows 10/11, Windows Server, Cisco, Fortinet, pfSense, Meraki, Microsoft 365, Google Workspace, Exchange Online, Microsoft Teams, SharePoint, Microsoft Intune/Endpoint Manager, Freshservice, Freshworks, ServiceNow, Ubuntu, RHEL, CentOS, PowerShell, Bash, VMware vSphere, Microsoft Hyper-V, Proxmox, Microsoft Azure, Amazon Web Services (AWS), Google Cloud Platform (GCP)
1mo
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Senior IT Network and Security Administrator Engineer
Placentia, California, United States
$100k-$135k/yr OnsiteFull Time
Arlon Graphics
Arlon Graphics: Manufactures pressure-sensitive vinyl films for signage and vehicle graphics.
7+ YOEBachelor's degree in computer science,7+ years relevant experience,knowledge of networks,Windows servers,VMware,Active Directory,network security,backup and disaster recovery,telecom,ITIL and strong communication skills.
VMware, Active Directory, Microsoft Outlook, Mimecast, Avaya
6d
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Onsite IT Systems Administrator / IT Support Specialist
Rancho Santa Margarita, California, United States
$35-$55/hr OnsiteFull Time
Melissa
Melissa: Provides global address, identity, and contact data quality solutions.
Experience administering Windows, Linux, Hyper-V, servers, desktops, VPN, Active Directory, Exchange, hardware, networking, security, updates, backups, and compliance documentation; strong communication and problem-solving skills.
Windows, Linux, Hyper-V, VPN, MS Office, Dell, PERC, Hardware RAID, RAID, Windows Active Directory, MS Exchange, Ubuntu, Debian, AWS, Azure, HP, Aruba, Ethernet, SOC2, ISO 27001, FedRAMP, E-Verify
1mo
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MSP Systems Asministrator - On-Site in Huntington Beach
Huntington Beach, California, United States
OnsiteFull Time
CAL IT Group
CAL IT Group: Provider of managed IT, cybersecurity, and cloud services.
4+ YOE4+ years systems/infrastructure experience (MSP preferred); Microsoft certifications (MCSA, AZ-104, MS-102) or equivalent; hands-on Windows Server, Active Directory, Microsoft 365, virtualization, Azure/AWS, networking, backup/DR; valid driver's license; on-call participation.
Windows Server 2016, Windows Server 2019, Windows Server 2022, Active Directory, Group Policy, DNS, DHCP, VMware ESXi, Hyper-V, Microsoft Azure, Microsoft 365, Datto, Veeam, Acronis
2d
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IT Systems Coordinator
Duarte, California, United States
OnsiteFull Time
Value Windows & Doors
Value Windows & Doors: Manufacturer of high-performance custom windows and doors.
3+ YOERequires 3+ years of IT support, systems administration, or network support experience; Microsoft 365, Active Directory, Windows, networking, and ERP experience; degree preferred or equivalent experience.
Microsoft 365, Active Directory, Oracle NetSuite, A+W, VPN, VoIP, SQL Server, SAP, Epicor, Microsoft Dynamics, Windows