131 security administrator jobs at 81 companies in Reseda, 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
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
1mo
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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
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
2w
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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
1mo
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Contracts Administrator
Annapolis Junction or Albuquerque or Germantown or Dayton or Simi Valley
$71k-$100k/yr HybridFull Time
AeroVironment
AeroVironmentNASDAQ: AVAV: Designs and manufactures unmanned aircraft and tactical missile systems.
1+ YOEAssociates/Bachelor in Business Administration (or equivalent), 1+ years relevant experience, knowledge of FAR/DFARS and government contracting, U.S. citizenship and ability to obtain security clearance, Microsoft Office proficiency.
Microsoft Office Suite, Microsoft Word, Microsoft PowerPoint, Microsoft Excel
1mo
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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
19h
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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
5d
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System Administrator
Port Hueneme, California, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
0+ YOEBachelor's or equivalent experience, DoD 8570 baseline certification (Security+), IAT Level II (or obtain within 6 months), Secret clearance, Linux/Windows Server, SolarWinds, VMware/ESXi experience, systems administration/cybersecurity experience.
Linux, SolarWinds, Windows Server, Active Directory, Group Policy, VMware, ESXi
2w
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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
2w
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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
4d
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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
3mo
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Security Guard
Dartmouth, Nova Scotia, Canada
OnsiteContract, Full Time
AFIMAC
AFIMAC: Provides specialized security, risk management, and crisis response services.
Experience as security guard; ability to travel within Nova Scotia; 84-hour weeks; English proficiency; Canadian resident; de-escalation; report writing.
2w
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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
19h
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Senior IT Administrator
Sherman Oaks, California, United States
HybridFull Time
Oxford Road
Oxford Road: Audio and creator-based performance advertising agency.
5+ YOE5+ years in IT systems administration/endpoint management, hands-on MDM/EMM (Jamf or Intune), IAM (Okta/Azure AD/Google Workspace), SaaS admin (Salesforce/Qlik/Tableau), security and incident response experience, and people management skills.
Jamf, Intune, Okta, Azure AD, Google Workspace, Salesforce, Qlik, Tableau
1mo
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Information Systems Administrator
Hawthorne, California, United States
OnsiteFull Time
Quantum Space
Quantum Space: Developing maneuverable spacecraft platforms for defense and commercial missions.
4+ YOE4+ years in system administration/DevOps/cloud/network support; experience with Linux/macOS/Windows, scripting (BASH/Shell/YAML), IaC (Terraform/Ansible/Puppet), Azure/AWS, IdP/SAML, cybersecurity (CompTIA Security+), and ability to obtain/maintain security clearance.
Linux, macOS, Windows, BASH, Shell, YAML, Terraform, Ansible, Puppet, Microsoft Azure, Amazon Web Services, IdP, SAML
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
1mo
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Sr. Principal Systems Administrator
El Segundo or United States
$118k-$225k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
8+ YOEU.S. citizen with active Secret DoD clearance, typically 8+ years' systems administration experience (or Advanced Degree +5 years). Experience with Red Hat Enterprise Linux, Microsoft Windows/AD, VMware, storage, backups, and security; CompTIA Security+ CE (DoDD 8140/8570) required within 6 months.
Red Hat Enterprise Linux, Active Directory, DNS, DHCP, VMware, VMware vCenter, vSphere, ESX, Splunk, Linux, Windows 10, Windows 11, Microsoft WSUS, Microsoft SCCM, Microsoft Exchange, NAS, SAN
2w
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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
1w
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Network Systems Administrator
El Segundo, California, United States
$71k-$119k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
1+ YOEProvide day-to-day administration of secure Windows networks for classified environments; maintain servers, firewalls, backups, and support customers. Must hold TS/SCI and meet DoD IAT II certification requirements.
Microsoft Windows Server, Microsoft Exchange Server