175 security administrator jobs at 112 companies in Buena Park, CA

1w
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Data Security Administrator
Commerce, California, United States
$89k-$111k/yr HybridFull Time
AltaMed
AltaMed: Provides comprehensive healthcare services to underserved Southern California communities.
2+ YOEBachelor's degree in computer science, information technology, cybersecurity, or related field; 2–4 years in IT security or systems administration. Associate degree may qualify with experience.
Microsoft AZ-500/SC-200, CISSP, Security+, GCIH, GCIA
3mo
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System Security Administrator
Los Angeles, California, United States
HybridFull Time
Material
Material: Specialized inference cloud platform for high-performance AI workloads.
5+ YOEBS in CS/EE or related field; 5+ years systems engineering with cybersecurity; Microsoft administration; threat/endpoint monitoring; network security; MDM; PowerShell; relevant IT/cybersecurity certifications.
Microsoft Exchange, Entra ID, Purview, DLP, CrowdStrike, Darktrace, Fortinet, JAMF, PowerShell, Command-line
2mo
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Information Security Administrator
Chino, California, United States
$129k-$157k/yr OnsiteFull Time
Inland Empire Utilities Agency
Inland Empire Utilities Agency: Provides regional wastewater treatment and wholesale water distribution services.
5+ YOEFive years of information security governance and operations; knowledge of network monitoring, vulnerability management; experience with OT/ICS security is desirable; must hold valid California driver’s license and one security certification.
Firewalls, Endpoint protection, SIEM, VPNs, Microsoft 365, Azure, Windows servers, Linux servers, Active Directory
1mo
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Network Security Administrator
Tustin, California, United States
$150k-$180k/yr OnsiteFull Time
Design West Technologies
Design West Technologies: Designs and manufactures aerospace and defense electro-mechanical systems.
5+ YOE5–8 years in network/systems/cybersecurity; hands-on Palo Alto (NGFW, Prisma Access, Cortex XDR); Microsoft Windows Server, Linux, Microsoft Azure, Microsoft Entra ID; CMMC Level 2/NIST SP 800-171 knowledge; active or obtainable Secret clearance.
Palo Alto Networks, NGFW, Prisma Access, Cortex XDR, Microsoft Windows Server 2016\u00092022, Linux, Microsoft Azure, Microsoft Entra ID, Microsoft Active Directory, PowerShell, Bash
4w
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Classified Security Administrator (86017)
Ontario, California, United States
$3k-$4k/mo OnsiteFull Time
The Gill Corporation
The Gill Corporation: Manufactures high-performance composite materials and components for aerospace industries.
2+ YOEAbility to obtain U.S. Government Secret clearance, bachelor\u0002s degree, 2+ years related experience, knowledge of 32 CFR Part 117 (NISPOM), strong communication and MS Office/MS Project skills.
Microsoft Office, Microsoft Project
4w
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Classified Security Administrator (86017)
Ontario, California, United States
$80k-$96k/yr OnsiteFull Time
The Gill Corporation
The Gill Corporation: Manufacturer of high-performance composite materials for aerospace and aviation.
2+ YOEAbility to obtain/maintain U.S. Secret clearance, bachelor’s degree, 2+ years related experience, working knowledge of 32 CFR Part 117 (NISPOM), strong written/verbal communication, and Microsoft Office/Project skills.
Microsoft Office, Microsoft Project
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
2mo
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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
3d
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Systems Administrator
Brea, California, United States
$95k-$125k/yr OnsiteFull Time
Kirkhill
KirkhillNYSE: TDG: Manufactures high-performance elastomer products and seals for aerospace applications.
Hands-on hybrid cloud, Azure, networking, Windows Server, and security administration experience; active Secret clearance, U.S. citizenship, and CompTIA Security+ required.
Microsoft Azure, Entra ID, Microsoft Intune, PowerShell, Windows Server, Active Directory, Azure Foundry, Microsoft Purview, Microsoft Defender, Copilot, CMMC, NIST 800-171, RADIUS, VLAN, ACL, WAN, SSP, POA&M
1mo
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Systems Administrator
Glendale, California, United States
$105k-$145k/yr OnsiteFull Time
Brio Water Technology
Brio Water Technology: A market-leading water products brand offering home hydration solutions that combine technology and design to improve everyday hydration.
4+ YOE4+ years systems administration experience, Microsoft 365/Google Workspace/Entra ID/Active Directory administration, endpoint and security tooling, networking fundamentals, PowerShell, Azure Site Recovery or comparable recovery experience.
Microsoft 365, Google Workspace, Microsoft Entra ID, Microsoft Active Directory, Microsoft Exchange Online, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive, PowerShell, Azure Site Recovery, Azure, AWS, CrowdStrike, Datadog, NinjaOne, PDQ, EDR
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)
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
2w
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Database Administrator
Pasadena, California, United States
$50-$77/hr OnsiteFull Time, Contract
Columbus Technologies and Services
Columbus Technologies and Services: Provides technical and engineering services for government aerospace missions.
4+ YOEBachelor's degree and 4+ years of IT experience required, with enterprise database administration expertise, Oracle, MySQL, MS-SQL, PostgreSQL, SQL, PL/SQL, shell scripting, and database security knowledge.
Oracle, MySQL, Microsoft SQL Server, PostgreSQL, SQL, PL/SQL, WebLogic, Apache, Tomcat, NetApp SnapCenter, Oracle E-Business Suite, EM24ai, AWS RDS, Azure SQL, OCI, Python
2mo
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Network Administrator
Los Angeles, California, United States
OnsiteFull Time
Cosm
Cosm: Operates immersive entertainment venues and develops shared reality technology.
6+ YOE6+ years IT experience, 4+ years network administration, CCNA required; strong hands-on Palo Alto/Arista/Cisco experience, familiarity with BGP, Python/Ansible, cloud networking (AWS), and network security.
Arista, Palo Alto, Panorama, PAN-OS, CloudVision, Cisco, Python, Ansible, Pulumi, AWS, Ruckus, Dell, BGP, CI/CD
3w
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Fabric Administrator
Austin or Boston or Charleston or Charlotte or Chicago or Dallas or Durham or Harrisburg or Houston or Irvine or Kansas City or Los Angeles or Miami or Nashville or New York or Newark or Palo Alto or Pittsburgh or Portland or Raleigh or San Francisco or Seattle or Washington or Wilmington
$98k-$184k/yr HybridFull Time
K&L Gates
K&L Gates: Global law firm providing comprehensive legal and regulatory counsel.
5+ YOESenior technical lead for Microsoft Fabric with 5+ years Azure experience, 2+ years production Fabric experience, advanced SQL, governance/security, CI/CD, Purview, Entra ID, gateway and capacity administration.
Microsoft Fabric, OneLake, Microsoft Entra ID, Microsoft Purview, Azure DevOps, GitHub Actions, Power BI, ServiceNow, PowerShell, Python, Fabric Capacity Metrics App, Fabric Deployment Pipelines, Fabric REST API
6d
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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
1d
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Senior Network Administrator
Los Angeles or Washington or San Francisco or San Diego or Seattle or London
$120k-$180k/yr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
5+ YOEBachelor's degree or equivalent experience, 5–8 years in network administration or engineering, enterprise production network experience, and eligibility for Secret clearance; Cisco, Juniper, Palo Alto, or Fortinet experience required.
Cisco, Juniper, Palo Alto, Fortinet, Wireshark, tcpdump, Splunk, ArcSight, Ansible, Python, Microsoft 365 GCC High, CCNA, CCNP, Network+, Security+, CISSP
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
1w
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Secure Storage Administrator
Edwards Air Force Base or Lancaster or Palmdale
$97k-$130k/yr OnsiteFull Time
JT4
JT4NYSE: AMTM: Provides engineering and technical support for military test ranges.
9+ YOEBachelor's degree or equivalent experience, 9+ years in computer systems, operating system administration, driver’s license, U.S. citizenship, and ability to obtain and maintain security clearance.
Red Hat Enterprise Linux, OpenShift, Docker, Kubernetes, Podman, BASH, PowerShell, Python, Ansible, SAN
1mo
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Senior IT Administrator
El Segundo, California, United States
$99k-$117k/yr OnsiteFull Time
CesiumAstro
CesiumAstro: Develops phased array communication systems for satellites and aircraft.
5+ YOE5+ years IT support/systems administration, strong AD/Azure AD/Entra ID, M365 and Intune skills, AWS experience, IT security knowledge, advanced troubleshooting, and strong communication.
Active Directory, Azure AD/Entra ID, Microsoft Outlook, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive, Microsoft Purview, Intune, AWS, VPN