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114 security administrator jobs at 78 companies in Riverside, CA

2mo
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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
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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
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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
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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
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4d
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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
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3w
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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
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3w
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Network Administrator
La Mirada, California, United States
$63k-$93k/yr OnsiteFull Time
Solid State Devices, Inc.
Solid State Devices, Inc.: Manufacturer of high-reliability power semiconductors for aerospace and defense.
4+ YOEMinimum 4 years network administration experience, associate/bachelor's in IT or equivalent, relevant certifications preferred (CompTIA Network+, CCNA/CCNP, Microsoft Azure Administrator, JNCIA). Strong troubleshooting, security, and communication skills.
Cisco routers, Cisco switches, firewalls, wireless access points, Windows Server, Linux/Unix, SolarWinds, Wireshark, Nagios, Active Directory, VMware, TCP/IP, DNS, DHCP, SNMP, FTP
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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
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Systems Administrator
Victorville, California, United States
$79k-$100k/yr RemoteFull Time
Dynamic Solutions Technology
Dynamic Solutions Technology: Provides IT, engineering, and program management services to government agencies.
5+ YOE5+ years systems administration experience supporting Microsoft Windows environments; account management, troubleshooting, hardware/software installation, patching, backups; BS in IT or equivalent experience; certification like CompTIA Security+/Network+/A+, MCP, or MCSA; travel required.
Microsoft Windows, Microsoft Office
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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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2mo
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Security Officer
Ontario, California, United States
OnsiteFull Time
Weiser Security Services
Weiser Security Services: Security services provider that protects assets and people.
Experience in security operations preferred; ability to stand for long hours; willingness to work extended hours; patrols and reporting as required.
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2d
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Systems Administrator III
New York or Los Angeles
$96k-$154k/yr OnsiteFull Time
Kapitus
Kapitus: Providing flexible financing and capital solutions for small businesses.
5+ YOE5+ years systems administration with Azure, Microsoft 365, AD, virtualization, IaC and security experience; fintech/regulatory familiarity; scripting and automation skills; bachelor's or equivalent experience.
Microsoft Azure, Microsoft 365, Exchange Online, Teams, SharePoint, OneDrive, Microsoft Intune, JAMF, Terraform, Ansible, Puppet, PowerShell, Python, Bash, VMware vSphere, Citrix Virtual Desktops, Cisco Meraki, SIEM, EDR, ServiceNow, Jira Service Management, Salesforce
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1w
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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
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1w
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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
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2mo
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Site Security Manager, USARC DEERS/RAPIDS
Hoover or Pago Pago or Los Alamitos or Los Angeles or Mountain View or Aurora or Orlando or Fort Gillem or Fort Shafter or Darien or Arlington Heights or Forest Park or Fort Knox or Devens or Livonia or Saipan or Vicksburg or Charlotte or Fort Bragg or Londonderry or Fort Totten or Rochester or Williamsport or Johnstown or Moon Township or Fort Buchanan or Greenville or Grand Prairie or Houston or Salt Lake City or Abingdon or Marysville or Vancouver
OnsiteFull Time
Yorktown Systems Group
Yorktown Systems Group: Provides professional services and training to government agencies.
1+ YOEHigh school diploma and 1 year customer service experience; proficient in MS Office; RAPIDS certification required; administrative and security duties.
Microsoft Word, Outlook, RAPIDS, scanners, copiers, keyboard, mouse
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3d
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Systems Administrator
Anaheim, California, United States
$90k-$95k/yr OnsiteFull Time
Think Together
Think Together: Providing high-quality after-school and early learning educational programs.
5+ YOEBachelor's in IT or related,5+ years experience, experience with networking equipment, server and security protocols, Active Directory, and supporting Tier I/II technicians.
VMWare, Ubiquiti, Linux, RDP, Active Directory, Intune, Azure, O365, Office 365, Microsoft Excel, Microsoft Word, Microsoft Outlook, Endpoint Protection, Anti-Virus, Firewalls, routers
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2mo
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Network & Systems Administrator
Newport Beach, California, United States
$90k-$130k/yr OnsiteFull Time
Best Choice Products
Best Choice Products: E-commerce retailer of home, garden, and family consumer products.
3+ YOEBachelor’s degree in MIS/IS/CS/CE; 3-5 years hands-on network and systems administration; cloud infra experience; strong networking and Microsoft tech skills; IT security and project experience.
Microsoft 365, Azure, Entra ID, Exchange Online, Teams, SharePoint, DNS, NetSuite, Jira, Confluence, Slack, Warehouse Management Systems, Virtualization, IDS/IPS, Antivirus, Email Security
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1w
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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
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Test Center Administrator/Proctor-Part Time
Riverside, California, United States
$19/hr OnsitePart Time
PSI Services
PSI Services: Provides secure testing and professional certification assessment solutions.
High school diploma or equivalent, US citizenship required, basic computer skills, strong communication, customer service experience preferred; ability to stand/walk up to 40% of shift and commit to exam security.
Microsoft Office
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Atlassian Administrator II
Cape Canaveral or Long Beach or Stennis Space Center
$100k-$138k/yr OnsiteFull Time
Relativity Space
Relativity Space: Designing and manufacturing 3D-printed rockets and launch vehicles.
Administer and configure Jira and Confluence, partner with stakeholders to design platform solutions, enforce governance and security, troubleshoot integrations, and deliver training and documentation.
Jira, Confluence, ServiceNow, Microsoft SharePoint, PowerShell, Python, Java, Google Cloud Platform (GCP), Kubernetes, Atlassian
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