40 it administrator jobs at 35 companies in Fallbrook, CA
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IT Systems Administrator
Seal Beach, California, United States
$86k-$150k/yrOnsiteFull Time
AstroForge: Mines and refines valuable minerals from near-Earth asteroids.
3+ YOE3+ years in IT systems administration with cross-platform support (macOS, Windows, Linux); network administration; IAM; cloud and SaaS management; ITAR/CMMC awareness.
Seasats: Builds autonomous surface vessels for persistent maritime intelligence.
6+ YOE6+ years IT systems administration experience; Google Workspace or Microsoft 365 admin; MDM for Windows and macOS; Linux knowledge; strong networking (DNS, DHCP, VLANs, VPNs, Wi‑Fi), identity/SSO/MFA, endpoint security, and support/process experience.
Google Workspace, Microsoft 365, Windows, macOS, Linux, MDM, Okta, JumpCloud, Kandji, Jamf, Microsoft Intune, Python, PowerShell, Bash, DNS, DHCP, VLANs, VPNs, Wi‑Fi, firewalls, SSO, MFA
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
3+ YOE3+ years administering Windows Server, Active Directory, VMware; experience with storage (iSCSI/SAN/NAS), networking, AWS; Top Secret clearance required; Bachelor’s in IT/CS; ability to obtain DoD 8570 IAT2 within 30 days.
VMware, VMware Horizon, VMware vSphere, Windows Server, Windows 10, Exchange, Active Directory, Network Attached Storage, iSCSI, SAN, NAS, Amazon Web Services, Cisco Switches, F5, Big IP, TACLANE, Linux, Red Hat, Apache, HTML, Tenable Nessus, ACAS
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
3+ YOE3+ years managing Microsoft Windows Server and Active Directory in enterprise environments; Top Secret clearance required; ability to obtain DoD 8570 IAT2 within 30 days; Bachelor’s in IT/Computer Science; experience with VMware, storage, and networking.
VMware, VMware vSphere, VMware Horizon, Microsoft Windows Server, Microsoft Windows 10, Microsoft Exchange, Microsoft Active Directory, Network Attached Storage, SAN, NAS, iSCSI, Amazon Web Services, Cisco, TACLANE, F5, Linux, Apache, HTML, Tenable Nessus, ACAS
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
DB InsuranceKorea Exchange: 005830: Provides property, casualty, and automobile insurance products and services.
6+ YOE3+ years IT operations in insurance (6+ years preferred), experience with Assure/Sapiens/Guidewire/Duck Creek/Majesco, knowledge of data privacy regulations (CCPA, GDPR, NYDFS), change management, vendor coordination, Windows and MS Office proficiency.
Assure Policy, Assure Claims, Sapiens, Guidewire Software, PolicyCenter, ClaimCenter, BillingCenter, Duck Creek Technologies, Majesco, DXC, Windows OS, Microsoft Office
County of Riverside: Provides regional government services and public safety for county residents.
4+ YOE1+ MgmtFour years journey-level database administration experience (including one year lead/advanced duties), 30 semester/45 quarter college units (or equivalent experience), advanced Microsoft SQL Server expertise, RDBMS design, backup/recovery, and system optimization.
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
5+ YOEUS citizen able to obtain Secret clearance, CompTIA Security+ or equivalent, DoD 8570 IAT Level II (or obtain within 6 months), 5+ years systems admin experience, Windows/Linux, virtualization, scripting, AD and networking.
VMware vSphere, Horizon, PowerShell, Bash, Python, Microsoft Entra ID (Azure AD), Active Directory, Group Policy, DNS, DHCP
Bartell Hotels: Operates a collection of hotels and marinas in San Diego.
2+ YOEMinimum 2 years administrative experience, advanced Microsoft Office (Outlook, Word, Excel, PowerPoint, Teams), strong organization and communication, basic IT hardware/software/networking knowledge, help desk and inventory experience preferred.
Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Teams
IT Systems Administrator / AWS Infrastructure Specialist
Rancho Santa Margarita, California, United States
$45-$65/hrHybridFull Time
Melissa: Provides global address, identity, and contact data quality solutions.
Experience administering AWS, Linux (Ubuntu), Windows, Kubernetes and Docker; familiarity with EC2, ALB, EKS and Alibaba Cloud; participation in SOC2/ISO 27001/FedRAMP compliance; OSCAL/documentation automation; on-call support availability.
Approved Transportation and Warehousing: Provides global relocation, logistics, and freight forwarding services.
7+ YOE7+ years hands-on IT experience including Azure, Microsoft 365, cloud, network administration, Windows Server, Intune, help desk support, and cybersecurity; BS in IT/CS and Security+/Network+ preferred.
Azure, Microsoft 365, Intune, Windows Server, Ubiquity, Linux, CMMC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
4+ YOEBachelor's degree with 4+ years systems administration experience or 6+ years without degree; Linux administration required; experience with Veeam Backup & Replication and Veeam Recovery Orchestration; Microsoft Windows Server administration; must pass drug screen.
Linux, Veeam Backup & Replication, Veeam Recovery Orchestration, Microsoft Windows Server
La Sierra University: Private university offering undergraduate and graduate degree programs.
Current La Sierra University student; strong organizational skills; proficient with Microsoft Office or Google Workspace; ability to coordinate schedules, vendor communications, invoicing, and IT operations.
Turion Space: Builds spacecraft for orbital debris removal and satellite servicing.
5+ YOE5+ years in IT operations or systems administration, expert scripting/automation (PowerShell, Python, Bash), config management (Ansible/Puppet/Chef), Windows and Linux administration, networking and virtualization, Azure AD/Entra ID and MDM experience, ability to obtain US security authorization.
Microsoft PowerShell, Python, Bash, Ansible, Puppet, Chef, Terraform, Git, Azure, AWS, Hyper-V, VMware, Microsoft Azure AD, Entra ID, MDM, Windows, Linux
Senior IT Network and Security Administrator Engineer
Placentia, California, United States
$100k-$135k/yrOnsiteFull Time
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
Administrator, IT Support and Operations - Information Technology Services/Administration and Business Services (26-10268) *Riverside*
Riverside, California, United States
$656-$860/dayOnsiteFull Time
Riverside County Office of Education: A public agency providing educational support and direct instruction services.
5+ YOE3+ Mgmt5 years progressive IT experience with 3 years supervising minimum five staff, bachelor's in CS/IT/Engineering/Business (or year-for-year experience substitution), valid California driver’s license, and certifications from Microsoft, CompTIA, (ISC)², PMI, or VMware desired.
Linfield Christian School: Private K-12 Christian college preparatory school in Temecula, California.
1+ YOEProvide Tier 1 desktop support, troubleshoot hardware/software, perform repairs, assist with AV, basic account administration in Google Workspace and Microsoft admin consoles; preferred A.S. or 1 year experience and CompTIA A+/Network+.
Windows, macOS, Google Workspace, Microsoft admin console, Active Directory, VoIP
TP-Link: Global manufacturer of networking hardware and smart home devices.
3+ YOE3+ years IT support/operations experience,2+ years Microsoft 365 administration experience,knowledge of Intune/Autopilot,Windows/macOS troubleshooting,network basics,and strong documentation and communication skills.
Microsoft 365, Exchange Online, Microsoft Teams, SharePoint Online, OneDrive, Entra ID, Microsoft Intune, Windows Autopilot, Microsoft 365 Admin Center, Exchange Admin Center, Entra Admin Center, Jira Service Management, ServiceNow, PowerShell, Adobe Creative Suite, WMS, ERP, CRM
Confie: Distributes personal and small commercial insurance products nationwide.
4+ YOE4+ years IT security experience; perform risk assessments, security analysis, remediation planning, server administration, and incident response. Knowledge of network security, UTM/IPS/IDS, Linux, VMware, and Microsoft Active Directory.
Linux, VMware ESX/Vsphere, Microsoft Windows Active Directory, UTM, IPS, IDS, TCP/IP, MPLS, VoIP, Firewalls, routers, PCO, SOX