237 system administrator jobs at 165 companies in Winchester, CA
2w
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System Administrator
Oceanside, California, United States
$110k-$130k/yr OnsiteFull Time
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)
2mo
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System Administrator III
Rancho Mirage, California, United States
$45-$69/hr HybridFull Time
8+ YOEBachelor's in IT or 4+ years experience, 8+ years as System Administrator, advanced certifications (Citrix, SAN, CCNA, CISSP, etc.), Epic ECSA if assigned, strong systems, storage, virtualization and security skills.
LANDesk, Microsoft Exchange, Microsoft Active Directory, DHCP, DNS, Microsoft Group Policy, Microsoft Certificate Services, PXE, Citrix, VMware vSphere, P2V, P2P, Symantec Endpoint, sys-prep, PRTG, Active Administrator, bash, vb-script, Windows DSC, Cisco UCS, CommVault, VNX, XtremIO, Isilon, Epic, SAN, Microsoft Windows Server, Microsoft Windows 10, Apple iOS, Apple OSx, Linux
3w
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IT System Administrator
Irvine, California, United States
$97k-$119k/hr OnsiteFull Time
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
2mo
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IS System Administrator
Temecula, California, United States
$123k-$135k/yr OnsiteFull Time
IT systems administration; AD governance; Azure; VDI; enterprise infrastructure experience.
Active Directory, Azure, VMware Horizon, VDI, Enterprise Cloud Identity, Hypervisor
1mo
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System Administrator (Classified Systems) – Active Secret Clearance Required
Carlsbad, California, United States
$121k-$191k/yr OnsiteFull Time
6+ YOE6+ years administering Windows and Linux systems in classified environments; DoD RMF experience, SIPRNet administration, virtualization, networking, and DoD 8140.01 certification; active Secret clearance required.
Windows Server, Win 10, Win 11, Linux, Active Directory, TCP/IP, DNS, DHCP, VMware, Hyper-V, OpenShift, ACAS, SCAP, HBSS, Certificate Management, Radius, 802.1x, SIPRNet, Juniper, Palo Alto, Cisco, NetApp, Veeam, Splunk, Nessus, Microsoft Exchange Server
4w
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Senior Associate, ServiceNow - Certified System Administrator
Irvine or Los Angeles or San Francisco or Denver or Washington or Tampa or Atlanta or Chicago or Boston or St Louis or Short Hills or New York City or Philadelphia or Austin or Dallas or Houston or Seattle
$94k-$203k/yr OnsiteFull Time
3+ YOE3+ years managing enterprise systems with ServiceNow focusing on ITSM/ITOM/IRM, ServiceNow CSA required, JavaScript customization skills, agile delivery and team leadership experience.
ServiceNow, JavaScript
1mo
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System Administrator (Classified Systems) – Active Secret Clearance Required
Carlsbad, California, United States
$121k-$191k/yr OnsiteFull Time
6+ YOEActive Secret clearance,6+ years administering Windows/Linux and core services in classified environments,DoD RMF and SIPRNet experience,virtualization,network management,security tooling,ability to lift 40lbs,DoD 8140.01 certifications.
SIPRNET, ACAS, SCAP, HBSS, Active Directory, GPOs, Radius, 802.1x, DISA, VMware, Hyper-V, OpenShift, Splunk, Nessus, Veeam, NetApp, Juniper, Palo Alto, Cisco, Microsoft Exchange Server, TCP/IP, DNS, DHCP
1mo
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WMS (Warehouse Management System) Administrator
Perris, California, United States
$70k-$90k/yr OnsiteFull Time
3+ YOE3+ years WMS administration or related IT/logistics experience; experience with Deposco or Manhattan Associates WMS preferred; SQL, data management, system integration skills; communication and problem-solving; bachelor’s degree preferred.
Deposco, Manhattan Associates WMS, SQL
3d
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Administrator, Branch Office
Palm Desert, California, United States
$21/hr OnsiteFull Time
1+ YOEHigh school diploma or equivalent, 1+ year of administrative or customer service experience, and proficiency with Microsoft Word, Excel, Outlook, and CRM systems. PestPac, billing, payments, and collections experience preferred.
Microsoft Word, Microsoft Excel, Microsoft Outlook, CRM, PestPac
1d
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Pomona Campus Administrator
Pomona, California, United States
$42k/yr OnsiteFull Time
Administrative experience, strong organization, detail orientation, follow-through, and ability to manage multiple systems; nonprofit or church experience is helpful but not required.
2mo
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System Engineer- ArcGIS
Redlands or St. Louis or Vienna
$121k-$198k/yr OnsiteFull Time
8+ YOE8+ years experience deploying and administrating enterprise ArcGIS or comparable systems; Windows/Linux sysadmin; scripting (Python, PowerShell, JavaScript, C#); RDBMS and SQL; Top Secret/SCI clearance and US citizenship; Bachelor\u0002s in STEM.
ArcGIS, ArcGIS Enterprise, ArcGIS Desktop, ArcGIS Online, Portal for ArcGIS, ArcGIS Runtime, RDBMS, SQL, SQL Server, Oracle, PostgreSQL, Python, PowerShell, Javascript, C#, Windows, Linux
2mo
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IT Systems Administrator
Seal Beach, California, United States
$86k-$150k/yr OnsiteFull Time
3+ YOE3+ years in IT systems administration with cross-platform support (macOS, Windows, Linux); network administration; IAM; cloud and SaaS management; ITAR/CMMC awareness.
macOS, Windows, Linux, routing, switching, VPNs, firewalls, wireless, Active Directory, Azure AD, Okta, AWS, GCP, Azure, Google Workspace, Microsoft 365, Slack, Zoom, GitHub, Bash, PowerShell, Python, Jamf, Intune, NIST CSF, CIS Controls, CompTIA Security+, Network+
3w
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Senior Systems Administrator
Anaheim, California, United States
$85k-$105k/yr OnsiteFull Time
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
2mo
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Senior Systems Administrator
Costa Mesa, California, United States
$146k-$194k/yr OnsiteFull Time
8+ YOE8+ years designing and implementing classified IT systems; experience with air-gapped systems, physical hardware, virtualization (VMware/Podman), Windows and Linux administration, DISA STIG hardening, NIST 800-53/RMF familiarity, automation, DoD 8570/8140 baseline certification, and active U.S. Top Secret clearance.
Lattice OS, Microsoft Windows, Microsoft Windows Server, Linux, VMware, Podman, Ansible, DISA STIGs, NIST 800-53, Risk Management Framework (RMF)
2d
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Systems Administrator - Surveillance
Highland, California, United States
OnsiteFull Time
2+ YOEBachelor's degree in computer science, information technology, or related field; 2+ years of relevant technical experience; systems administration expertise; valid driver's license; English proficiency; required fiber optic and Genetec certifications.
Microsoft Windows Server, VMware, vSphere, vCenter, SQL Server, Active Directory, SAN, NAS, DAS, Fiber Channel (FC), iSCSI, Palo Alto, Pure Storage, Dell Isilon, Cisco, ESXi, Extreme switching, SolarWinds, Dynatrace, Genetec, Microsoft Certified Systems Engineer (MCSE), Microsoft Certified Systems Administrator (MCSA), Cisco Certified Network Associate (CCNA), Extreme Networks, Extreme Networks Associate (XNA), Extreme Certified Specialist (ECS), Extreme Design Specialist (EDS)
1d
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Systems Administrator SME
Corona or Norco
$115k-$135k/yr OnsiteFull Time
5+ YOERequires Secret clearance, IAT Level II certification, and extensive systems administration experience; qualifying paths include high school/GED plus 12+ years, bachelor's plus 8+ years, or master's plus 5+ years.
Windows, Linux, Unix, Microsoft Office Suite, firewalls, anti-virus, intrusion detection
4w
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Branch Office Administrator - San Juan Capistrano, CA
San Juan Capistrano, California, United States
OnsiteFull Time
Provide client service, account administration, and office support; strong analytical, attention to detail, digital tool use, and conversational skills; willingness to learn financial services systems.
MoneyGuide, Salesforce, Microsoft Office
1mo
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System Support Analyst (TEMP)
Irvine, California, United States
$23-$25/hr OnsiteFull Time
1+ YOE1–3 years help desk/system administration experience, strong communication and customer service, bachelor's in CS/Business or equivalent, MS Office proficiency, ability to support retail POS and networking.
Aptos Retail Point of Sale, Windows OS, Microsoft Products, TCP/IP, DNS, DHCP, Wireless (802.11a/b/g)
6d
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Network Administrator Sr.
Riverside, California, United States
OnsiteFull Time
7+ YOERequires 7+ years of IT experience, 4+ years in network or system administration, CompTIA Server+ or Network+ or equivalent, CA driver's license, and experience with Windows Server, networking, security, and PowerShell.
Windows Server, Active Directory, SAN, TCP/IP, DNS, DHCP, VPN, PowerShell, Firewalls, IDS, Endpoint Protection, IPS
1w
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Linux Systems Administrator II
Fullerton, California, United States
$6k-$9k/mo OnsiteFull Time
2+ YOEBachelor's degree or equivalent experience, two years of relevant systems administration experience, Linux server administration, troubleshooting, scripting, virtualization, cloud technologies, communication, and a valid California driver's license.
Linux, High Performance Computing (HPC), Docker, Podman, Singularity, Apptainer, Kubernetes, Ansible, Puppet, Chef, Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform, Nagios, Prometheus, Grafana, Zabbix, Simple Linux Utility for Resource Management (SLURM)
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