14 it systems administrator jobs at 13 companies in San Marcos, CA
2mo
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Senior IT Systems Administrator
San Diego, California, United States
$115k-$155k/yr OnsiteFull Time
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
2w
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IT & Systems Administrator - SoCal Region
San Diego or Vista or San Juan Capistrano or Redondo Beach or Orange or Oceanside or California
$38-$46/hr HybridFull Time
5+ YOERequires 5+ years of IT administration and end-user support, Microsoft 365 and Entra ID experience, endpoint management, PowerShell, Windows Server, Active Directory, networking, a California driver's license, and regular regional travel.
Microsoft 365, Exchange Online, Microsoft SharePoint, OneDrive, Microsoft Teams, Entra ID (Azure AD), Entra Connect, Active Directory, Microsoft Intune, PowerShell, NetSuite, Celigo, RingCentral, Point-of-sale systems, Windows Server, RMM, VMWare, MS-102, AZ-104, SC-300, MD-102
1mo
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Senior IT Systems Administrator
San Diego, California, United States
HybridFull Time
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
1w
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Onsite IT Systems Administrator / IT Support Specialist
Rancho Santa Margarita, California, United States
$35-$55/hr OnsiteFull Time
Experience administering Windows, Linux, Hyper-V, servers, desktops, VPN, Active Directory, Exchange, hardware, networking, security, updates, backups, and compliance documentation; strong communication and problem-solving skills.
Windows, Linux, Hyper-V, VPN, MS Office, Dell, PERC, Hardware RAID, RAID, Windows Active Directory, MS Exchange, Ubuntu, Debian, AWS, Azure, HP, Aruba, Ethernet, SOC2, ISO 27001, FedRAMP, E-Verify
2mo
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IT Site Administrator
Carlsbad or Fairhaven
$76k-$99k/yr OnsiteFull Time
5+ YOEBachelor's degree (Information Systems/Computer Science) or equivalent, MCSE preferred, 5+ years supporting mission-critical desktop/server/enterprise environments, project coordination, backups, security, and 24x7 on-call participation.
5d
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IT ENTERPRISE SYSTEM ADMINISTRATOR III
San Diego or La Jolla
$97k-$122k/yr OnsiteFull Time
6+ YOEBachelor’s degree or equivalent and 6+ years of system administration experience in hybrid Windows and Unix environments. Requires cloud, directory, storage, backup, virtualization, scripting, and infrastructure-as-code expertise.
Microsoft 365, Active Directory, Entra ID, Azure, AWS, Windows Server, Linux Server, Microsoft Windows Server, NetApp, Cisco UCS, VMware VCF, PowerShell, csh, sh, tcsh, ksh, DNS, SAN, NAS, Exchange Server
1mo
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Sr Specialist, IT Applications Operations Systems
Aliso Viejo, California, United States
$107k-$142k/yr OnsiteFull Time
5+ YOEBachelor's in CS/IS/Business/Engineering; 5+ years technical lead experience implementing enterprise operations systems (PTC Windchill preferred); experience with CAD/PLM/MES/ERP, SQL, HTML/CSS, application administration, testing, and security.
PTC Windchill, CAD, PLM, MES, ERP, HTML, CSS, SQL
1w
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IT Manager
San Diego, California, United States
$85k-$120k/yr OnsiteFull Time
3+ YOERequires 3+ years in IT or systems administration, Google Workspace and MDM administration, identity and access tooling, endpoint compliance, documentation, and issue ownership. Healthcare or regulated-data experience preferred.
Google Workspace, MDM, Kandji, Jamf, Mosyle, SSO/SAML, Google Cloud Identity, Okta, GCP
3d
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Senior Systems Engineer, IT Infrastructure & Cloud Solutions
San Diego, California, United States
$103k-$141k/yr OnsiteFull Time
4+ YOEBachelor's degree and 4+ years, master's degree and 2+ years, or 8+ years of relevant experience. Requires Linux/Windows administration, security patching, vulnerability remediation, automation, cloud infrastructure, and compliance experience.
AWS, Azure, AWS Systems Manager (SSM) Patch Manager, WSUS, SCCM, Intune, Ansible, Satellite, Landscape, Python, Bash, PowerShell, ServiceNow, Cisco Catalyst Center
1w
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IT Manager
San Diego or San Diego County
$120k-$145k/yr OnsiteFull Time
5+ YOE2+ MgmtRequires 5+ years in IT, systems administration, infrastructure, or IT operations; 2+ years managing staff, vendors, or projects; budget and vendor management experience. Bachelor's degree preferred.
Microsoft 365
1w
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End User Services - System Administrator (Mobile Device Manager) - IT-Infrastructure
San Diego or Riverside County
$41-$57/hr FieldFull Time
2+ YOEBachelor's degree and 2 years' experience, or 4 years' relevant experience in lieu; California driver's license, CompTIA A+, auto insurance, end-user systems expertise, and ability to travel and lift 25 lbs.
Windows 10, Windows 11, MacOS, Linux, Chrome OS, VDI, AWS, Nutanix, Microsoft Azure, Dell Wyse, Intune, System Center Configuration Manager (SCCM), Imprivata Cortex, Lansweeper, Active Directory, Microsoft 365, MIST, Cisco ISE, Company Portal, Nexthink, PowerShell
1w
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IT Support Specialist
San Diego, California, United States
$75k-$95k/yr OnsiteFull Time
2+ YOEBachelor's degree or equivalent experience; 2–5 years in IT help desk support or system administration; ITIL knowledge, networking, ticketing systems, troubleshooting, and strong communication skills.
ITIL, Windows, macOS, Linux, TCP/IP, DNS, DHCP, VPNs, Jira, Zendesk, CompTIA A+, Network+, Microsoft Certified: Modern Desktop Administrator, Microsoft Intune, VMware Workspace ONE
2w
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Sr IT Business Analyst
Tijuana, Baja California, Mexico
OnsiteFull Time
8+ YOEBachelor's degree in computer systems, computer engineering, or related field; 8+ years' experience; advanced English; SQL administration, software development, ERP, Agile, project management, AI, C# .NET, and customs systems knowledge.
SQL, C# .NET, Scrum, Kanban, Waterfall, Artificial Intelligence, ERP
2w
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Sr IT Business Analyst
Tijuana, Baja California, Mexico
OnsiteFull Time
8+ YOEBachelor's degree in computer systems, computer engineering, or related field; 8+ years in the same role; advanced English; software development, SQL administration, ERP, project management, Agile, AI, and C# .NET experience.
SQL, C# .NET, ERP, Scrum, Kanban, Waterfall, Artificial Intelligence