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46 system admin jobs at 40 companies in Irvine, CA

1mo
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Sr. System Engineer- ArcGIS
Redlands or St. Louis or Vienna
$156k-$239k/yr OnsiteFull Time
Esri
Esri: Developing software for digital mapping and spatial data analysis.
12+ YOE12+ years experience designing, implementing, and administering enterprise ArcGIS or comparable systems; US citizenship with active Top Secret/SCI clearance; bachelor's degree in CS/Math/GIS/STEM; scripting (Python, PowerShell, Javascript, C#); RDBMS and Windows/Linux admin skills.
ArcGIS Enterprise, ArcGIS Desktop, ArcGIS Online, Portal for ArcGIS, ArcGIS Runtime, Python, Microsoft PowerShell, Javascript, C#, Windows, Linux, Microsoft SQL Server, Oracle, PostgreSQL
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3d
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System Engineer, Senior - Engemann Admin Student Health - Full Time 8 Hour Days (Exempt) (Non-Union)
Los Angeles, California, United States
$100k-$165k/yr OnsiteFull Time
University of Southern California
University of Southern California: Private research university providing higher education and healthcare services.
7+ YOEBachelor's or equivalent,7+ years supporting and implementing technology environments,strong analytical and communication skills,ability to manage multiple projects and provide after-hours/weekend support;LA City Fire Life Safety Training required where applicable.
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3d
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System Engineer, Senior - Engemann Admin Student Health - Full Time 8 Hour Days (Exempt) (Non-Union)
Los Angeles, California, United States
$100k-$165k/yr OnsiteFull Time
Keck Medicine of USC
Keck Medicine of USC: Provides specialized medical care and research via university health system.
7+ YOEBachelor's degree or equivalent,7 years supporting technology environments,strong analytical and communication skills,ability to provide after-hours/weekend support,Fire Life Safety Training (LA City) required for LA hires.
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1mo
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Global Payroll Admin
Los Angeles or Vernon or New York City or London
$24-$31/hr OnsiteFull Time
Reformation
Reformation: Designs and sells sustainable women's clothing and accessories.
1+ YOE1+ year payroll admin experience; familiarity with HRIS/payroll systems and global payroll/PEO concepts; intermediate Microsoft Excel; attention to detail, confidentiality, and knowledge of US wage/hour rules.
Microsoft Excel, HRIS, Deel, TAA
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3d
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System Admin/Engr I, Ring and Blink CS Technology Enablement
Hawthorne, California, United States
OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
1+ YOEBachelor's or equivalent,1+ years programming experience in at least two of Python, Java, Perl, PHP, Ruby, or Bash; Linux systems administration; experience in 24/7 production environments; strong scripting, automation, and troubleshooting skills.
Python, Java, Perl, PHP, Ruby, Bash, Linux, AWS, Salesforce, Amazon Connect, Chat Bots, Voice AI Bots
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1mo
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GTM System Analyst
Irvine, California, United States
$120k-$150k/yr HybridFull Time
Field AI
Field AI: Develops autonomous software brains for robots in unstructured environments.
2+ YOE2+ years RevOps/Sales Ops/CRM admin experience; hands-on Salesforce administration and Salesforce Administrator certification; advanced spreadsheet and data instincts; experience integrating ZoomInfo/Clay/Gong; familiarity with Snowflake, AWS, SQL, and AI automation tools.
Salesforce, ZoomInfo, Clay, Gong, AWS, Snowflake, Claude, SQL
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4d
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Admin Billing Clerk
Riverside, California, United States
$23-$27/hr OnsiteFull Time
GH Metal Solutions
GH Metal Solutions: Custom metal fabrication and welding for OEM manufacturers.
2+ YOEHigh school diploma/GED, minimum 2 years administrative or billing experience, proficiency with ERP/accounting/document management systems, strong attention to detail and communication.
ERP, Accounting systems, Document management systems
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1w
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Engineering Manager, Admin & Governance
San Francisco or Austin or New York City or Seattle or Los Angeles or United States or Australia
$281k-$366k/yr HybridFull Time
Airtable
Airtable: No-code platform for building collaborative apps and business workflows.
5+ YOE2+ Mgmt5+ years engineering experience, 2+ years management, experience with large systems, customer-focused product collaboration, team growth and mentoring.
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2w
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601-Recreation Admin -5044-601 Recreation Maintenance Supervisor
Laguna Woods, California, United States
$87k-$98k/yr OnsiteFull Time
Village Management Services
Village Management Services: Provides management and maintenance for Laguna Woods Village residents.
Supervising maintenance and construction staff, coordinating contractors, managing work order systems, knowledge of building systems, valid California driver’s license, respirator fit test, journeyman supervisory experience preferred.
Microsoft Office, Microsoft Project, CMMS
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1w
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Admitting Worker - ACC - Ambulatory Admin - FT Days
Irvine, California, United States
$23-$29/hr OnsiteFull Time
University of California, Irvine
University of California, Irvine: Public research university offering higher education and academic degrees.
Front-desk registration and reception: data entry, insurance verification, scheduling, customer service, use of office equipment and registration systems; must work variable shifts and weekends/holidays.
TDS, Signature, IDX
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2mo
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Virtual Safety Attendant, Nrs Admin Part-time Evenings
Hemet, California, United States
$21-$24/hr OnsitePart Time
KPC Health
KPC Health: Operates a network of integrated acute care medical centers.
Monitors patients via AvaSure system; maintains patient safety; communicates with staff as needed.
AvaSure software
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1mo
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Admin Assistant - TEMP (Cypress, CA, US, 90630)
Cypress, California, United States
$23-$32/hr HybridPart Time, Temporary
Exemplis
Exemplis: Manufactures customizable office seating and consumer lifestyle products.
2+ YOE2+ years administrative/operations or accounting support experience; strong attention to detail, organization, cross-functional communication; proficient in Microsoft Office Suite; experience with OnBase and Concur preferred; familiarity with ERP systems.
Microsoft Office Suite, OnBase, Concur, Nutrient, ERP, Amazon, Instacart
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2w
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Director, Revenue Systems
United States or Los Angeles or Chicago or New York City
$157k-$175k/yr RemoteFull Time
Wpromote
Wpromote: Digital marketing agency specializing in data-driven performance media.
8+ YOE8+ years in revenue/business systems with deep CRM expertise; Salesforce Admin certification required; experience with Gong, integrations, governance, data quality, vendor management, and stakeholder leadership.
Gong, Salesforce
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1w
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IT Support Services II-Help Desk
Riverside, California, United States
$65k-$71k/yr OnsiteFull Time
Courser
Courser: Managed IT service provider for cloud and infrastructure support.
3+ YOEBachelor's or equivalent experience, 3+ years IT support/system admin, expertise with Windows Server/Linux/macOS, networking (TCP/IP,DNS,DHCP,VPN), ticketing systems, troubleshooting and communication skills.
Windows Server, Linux, macOS, ConnectWise, ServiceNow, JIRA, Zendesk, TCP/IP, DNS, DHCP, VPN, AWS, Azure, VMware, Hyper-V
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1mo
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Platform DevOps - Level 3
Pasadena, California, United States
$105k-$158k/yr OnsiteFull Time
Sophia Space
Sophia Space: Modular data center hardware for in-orbit computing and AI.
3+ YOE3+ years in DevOps/platform/systems engineering; hands-on Ansible, Linux admin, and Kubernetes/K3s experience; experience with bare-metal/edge hardware (e.g., NVIDIA Jetson), idempotent automation, and distributed system troubleshooting.
Ansible, K3s, RKE2, MicroK8s, Kubernetes, NVIDIA Jetson, Linux
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2mo
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Human Resources Management
El Segundo, California, United States
$130k-$181k/yr OnsiteFull Time
BTAS
BTAS: Home-grown, woman-owned small business providing IT, engineering and program management services.
20+ YOEBA/BS degree; 20+ years civilian/military HR/admin ops experience; TS/SCI eligibility; proficient in Microsoft Office and Defense personnel systems.
Microsoft Office, Microsoft Project
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2w
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Implementation Data Analyst
Torrance, California, United States
OnsiteFull Time
AgileOne
AgileOne: Provides global workforce management and recruitment process outsourcing solutions.
Experience with VMS implementations, data collection, data validation, Excel data scrubbing, UAT administration, system admin and billing support; strong communication and problem-solving skills.
AccelerationVMS, Fieldglass, Beeline, Wand, Microsoft Word, Microsoft PowerPoint, Microsoft Project, Microsoft Teams, Zoom, Visio, Testpad, Microsoft Excel
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2w
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Timekeeping Coordinator
Costa Mesa, California, United States
$25-$29/hr OnsiteFull Time
Cushman & Wakefield
Cushman & WakefieldNYSE: CWK: Global commercial real estate and property services firm.
3+ YOEAssociate degree preferred; 3+ years admin/HR/payroll/timekeeping experience; timekeeping system and compliance knowledge; intermediate Microsoft Office skills; attention to detail and strong communication.
Microsoft Office, Microsoft Word, Microsoft Teams, Microsoft Outlook, Microsoft Excel, UKG, Kronos, Smartsheet, JD Edwards
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2mo
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Product Manager – Enterprise Restaurant E-Commerce Tools
Los Angeles, California, United States
$115k-$130k/yr HybridFull Time
Tillster
Tillster: Digital ordering and engagement platforms for restaurant chains.
3+ YOE3+ years in B2B SaaS or enterprise platforms; experience building platform tools and admin systems; API/integration experience; strong analytics and cross-functional collaboration; experience with enterprise customers.
APIs, Integrations, Payments systems, Analytics
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2mo
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Administrator in Training (CA, Garden Grove, The Grove Post-Acute)
Garden Grove, California, United States
OnsiteFull Time
Anaheim Healthcare Center
Anaheim Healthcare Center: Provides skilled nursing, rehabilitation, and memory care services.
2+ YOEBachelor's degree in healthcare/business admin or related field; enrollment in/on track for Administrator in Training; strong communication; team collaboration; proficiency in MS Office and healthcare systems; valid driver's license.
Microsoft Office, Healthcare software systems
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