115 security administrator jobs at 81 companies in Fallbrook, CA

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Site Security Administrator
San Diego, California, United States
$77k-$116k/yr OnsiteFull Time
Solar Turbines
Solar TurbinesNYSE: CAT: Manufacturer of industrial gas turbines and turbomachinery systems.
5+ YOE5+ years experience with BOSCH CCTV, DSX Security Software, and core/key making; high school diploma; proficiency with Microsoft Excel/Word/Outlook/Teams; crisis, emergency, and risk management experience.
BOSCH CCTV, DSX Security Software, Best Brand Cores and Key making, Microsoft Excel, Microsoft Word, Microsoft Outlook, Microsoft Teams, Harbor Drive Security Operations, Harbor Drive Fire Systems
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
3w
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Next Generation Aircraft Project Administrator
Poway, California, United States
$74k-$129k/yr OnsiteFull Time
General Atomics Aeronautical Systems
General Atomics Aeronautical Systems: Designs and manufactures unmanned aircraft and radar systems.
6+ YOEBachelor's degree or equivalent experience, 6+ years project administration experience, strong written/verbal communication, analytical skills, Microsoft Office and SharePoint experience, ability to obtain DoD security clearance.
Microsoft SharePoint, Microsoft Excel, Microsoft PowerPoint, Microsoft Word
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
6d
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System Administrator
Oceanside, California, United States
$110k-$130k/yr OnsiteFull Time
MagnaFlow
MagnaFlow: Designs and manufactures automotive performance exhaust and suspension systems.
3+ YOE3+ years IT help desk/systems administration experience; B.S. in IT or equivalent experience; proficiency with Microsoft AD/O365, VMWare, Windows Server, Mac OS X, backup/recovery and security frameworks.
Microsoft Office 365, Microsoft Active Directory, VMWare, Windows Server, Mac OS X, Network Attached Storage (NAS), NIST Cybersecurity Framework (NIST CSF)
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Systems Administrator
San Diego, California, United States
$91k-$110k/yr HybridFull Time
San Diego Housing Commission
San Diego Housing Commission: Providing affordable housing and rental assistance in San Diego.
3+ YOEBachelor's in CS or related and 3 years IT/systems administration experience; knowledge of Microsoft/Azure, VMware, networking (Cisco/Juniper/Meraki), storage and backup (Veeam, SAN), security tools; valid CA driver’s license.
Microsoft Azure Active Directory/Entra ID, Microsoft 365, Microsoft Exchange Online, Microsoft Intune, Microsoft Windows, VMware vSphere, Microsoft Azure Virtualization, Cisco, Juniper, Meraki, SIEM, MFA, Veeam, SAN, RAID, SSD, VoIP, macOS
1mo
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Network Administrator
Rolling Meadows or San Diego or Chicago or Glen Ellyn or Schaumburg or Indianapolis
$45k-$70k/yr OnsiteFull Time
CompuOne
CompuOne: Provider of managed IT, cybersecurity, and cloud infrastructure services.
2+ YOE2+ years network administration experience with switching, routing, firewall management, network security, Microsoft/Office 365 and Active Directory, virtualization (VMware/Hyper-V/ESXi/Azure), and network monitoring; project leadership and user support skills.
Microsoft 365, Microsoft Outlook, Microsoft Teams, Microsoft OneDrive, Microsoft SharePoint, Microsoft Office, Office 365, Windows Server, Active Directory, VMware, Hyper-V, ESXi, Azure, DNS, DHCP, VPN, VLAN
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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
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
1mo
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Classified Systems Administrator
Woburn or Boston or Arlington or Dayton or Melbourne or Carlsbad
$115k-$160k/yr OnsiteFull Time
Systems & Technology Research
Systems & Technology Research: Develops advanced technology for national security and defense applications.
3+ YOETS/SCI with CI Polygraph required; U.S. citizenship. 3+ years technical experience or equivalent. Linux (Red Hat/CentOS/Ubuntu) and Windows administration, Active Directory, networking, NAS, firewall, PowerShell automation, DoD security guidance knowledge, and after-hours support.
Red Hat, CentOS, Ubuntu, Windows, NAS Storage, Firewall, Microsoft Active Directory, Group Policy, PowerShell, Enterprise Virtualization Tools, Multi-Factor Authentication, Public Key Infrastructure, Web Server, LDAP, Security Technical Implementation Guidelines (STIGS), Security Content Automation Protocol (SCAP), Host Based Security System (HBSS), Assured Compliance Assessment Solution (ACAS), DoD Ports, Protocols, and Services (PPS)
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
4d
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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
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
4d
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Linux System Administrator
San Diego, California, United States
$140k-$155k/yr OnsiteFull Time
Bridge Defense
Bridge Defense: Provides secure infrastructure and edge computing for national security.
Active Secret clearance, DoD 8570/8140 IAT II or IAM II (e.g., Security+ CE), CSWF certification, bachelor's degree or equivalent, RHEL 7/8 Linux administration, cybersecurity and compliance experience.
Red Hat Enterprise Linux (RHEL), PHP, PKI, STIGs, RMF
2w
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System Administrator - Cloud and SaaS
San Diego, California, United States
$80k-$95k/yr HybridFull Time
Mutual of Omaha Mortgage
Mutual of Omaha Mortgage: Provides residential mortgage lending and refinancing services to homeowners.
3+ YOE3+ years systems administration experience with Microsoft 365, Entra ID/Azure, Intune, and SaaS SSO (SAML/OIDC); PowerShell scripting; strong identity and security knowledge.
Microsoft 365, Exchange Online, SharePoint Online, Teams, OneDrive, Microsoft Entra ID (Azure AD), Microsoft Intune, Microsoft Defender, Azure, Azure Virtual Desktop, Log Analytics, Key Vault, PowerShell, SCIM, SAML, OIDC
1mo
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Systems Administrator
San Diego, California, United States
$32-$41/hr OnsiteFull Time
Liberty Military Housing
Liberty Military Housing: Manages residential housing communities for military families.
5+ YOE5+ years IT experience in multi-site environments; Windows network support, firewall and security familiarity; strong customer service and communication; valid driver\u0002s license and ability to travel >10%; background checks for base access.
Windows
1mo
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Systems Administrator
San Diego, California, United States
$32-$41/hr OnsiteFull Time
Liberty Military Housing
Liberty Military Housing: Privatized military housing and residential property management services.
5+ YOE5+ years IT experience in multi-site environments; strong networking, security, and physical access system knowledge; customer service skills; ability to travel >10%, lift 25 lbs, and clear military base background checks.
Windows
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Systems Administrator II - La Jolla, CA
La Jolla, California, United States
$91k-$146k/yr OnsiteFull Time
Institute for Defense Analyses
Institute for Defense Analyses: Operates federally funded research centers for national security analysis.
4+ YOE4+ years systems administration (3+ with Linux) or HS+6 years, experience with Linux, VMware, Apache, MySQL, scripting (Perl, PHP, shell), CompTIA Security+ or equivalent, ability to obtain security clearance.
Linux, VMware, Apache, MySQL, Perl, PHP, GNU utilities
2w
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Systems Administrator (GEODSS) - Diego Garcia 1
Diego Garcia or San Diego or Chicago or Fairbanks or Vandenberg AFB or Nellis AFB
OnsiteFull Time
Serco
SercoLondon Stock Exchange: SRP: Provides professional outsourcing services to governments worldwide.
4+ YOEActive security clearance and U.S. citizenship; minimum 4 years systems administration experience; Linux and Windows experience; DISA STIG compliance, backups, auditing, incident response; CompTIA Security+/CCNA/RedHat desired.
GEODSS, Linux, Windows, RedHat, DISA Security Technical and Implementation Guide (STIG), CompTIA Security +, CCNA