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39 admin assistant jobs at 25 companies in Menifee, CA

2mo
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Office Admin Assistant I
Vista, California, United States
$19-$25/hr OnsiteFull Time
Dyad Law P.C.
Dyad Law P.C.: Immigration law support services provided by a law firm.
1+ YOEBilingual English and Spanish; Associate's degree or 1–3 years admin/clerical experience; strong organizational, communication, and tech skills.
Microsoft Office, Case Management System
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3mo
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*TEST* Admin Assistant
Irvine, California, United States
$20-$25/hr OnsiteFull Time
Serenity Mental Health Centers
Serenity Mental Health Centers: Provider of comprehensive outpatient psychiatric and mental health services.
1+ YOENo explicit requirements listed in the posting.
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2w
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Student GCI Admin Assistant
Orange, California, United States
$17/hr OnsitePart Time, Temporary
Chapman University
Chapman University: A private university offering undergraduate and graduate degree programs.
Little to minimal prior experience; ability to learn support processes; familiarity with Microsoft Office; flexible availability for events; sophomore/junior students preferred.
Microsoft Office
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5h
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Admin Assistant
Eastvale, California, United States
$22/hr HybridFull Time
ServiceMaster by Crane IFS
ServiceMaster by Crane IFS: Provides professional commercial janitorial and facility cleaning services.
Perform onboarding/offboarding, background checks, offer letters, timekeeping, training compliance, record maintenance, and candidate screening; hybrid role with strong Microsoft Teams and administrative skills.
Microsoft Teams
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1d
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Admin Assistant III - Hematology/Oncology
Orange, California, United States
$29-$42/hr OnsiteFull Time
University of California, Irvine
University of California, Irvine: Public research university offering higher education and academic degrees.
1+ YOEProvide administrative support including reimbursements, purchasing, scheduling, onboarding/offboarding, and academic personnel coordination; bachelor\u0002s degree or related experience; 1+ year administrative experience; Microsoft Office and EPIC proficiency.
Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint, EPIC
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2mo
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Department of CIO Admin Office - Graduate Assistant (GA) Pool
San Bernardino, California, United States
$3k-$6k/mo OnsiteTemporary, Part Time
California State University
California State University: Public university system providing higher education and academic research.
Graduate student enrollment; 3.0 GPA min; 5-20 hours/week; ability to work with faculty and students.
GPU, Containerization, CI/CD, Python, Docker
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1mo
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Legal Assistant
Costa Mesa, California, United States
HybridFull Time
HR MGMT 10
HR MGMT 10: Provides employer of record and human resources support services.
2+ YOEHigh school diploma required; 1-3 years legal admin experience; familiarity with CA procedures; MS Office; strong writing and communication; detail oriented.
Microsoft Office Suite, Legal practice software (e.g., Clio, MyCase)
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1mo
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Administrative Assistant (Bilingual in Mandarin)
Buford or Fontana
$18-$20/hr OnsiteFull Time
YQN Logistics
YQN Logistics: Digital logistics platform for international shipping and supply chain.
Bilingual English/Mandarin admin support for warehouse operations; 1+ year admin or warehouse experience preferred; Microsoft Office skills; WMS/ERP experience a plus; strong organization and communication.
Microsoft Excel, Microsoft Word, Microsoft Outlook, Warehouse Management Systems (WMS), ERP
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1mo
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Administrative Assistant
Anaheim, California, United States
$19-$26/hr OnsiteFull Time
West Coast University
West Coast University: Private university offering degree programs for healthcare professionals.
1+ YOEPerform complex administrative support including drafting correspondence, scheduling meetings, coordinating events and travel, processing expense reports in Concur/Excel, and maintaining records; 1+ year admin experience; HS required; Associates preferred.
Concur, Microsoft Excel, Microsoft Office
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1mo
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Executive Assistant / Real Estate
Irvine, California, United States
OnsiteFull Time
Shopoff Realty Investments
Shopoff Realty Investments: Real estate investment firm specializing in land and property development.
3+ YOE3+ years admin support or project coordination in real estate; experience supporting senior leaders; exposure to real estate development/asset management.
Microsoft Office, Adobe, Google Earth
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3mo
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Executive Assistant I, Rail Operations
Orange, California, United States
OnsiteFull Time
Orange County Transportation Authority
Orange County Transportation Authority: Operates public transportation and manages infrastructure for Orange County.
6+ YOEHigh school diploma; at least six years' admin or executive secretarial experience; strong organization; discretion; excellent communication.
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5d
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Administrative & Finance Assistant
Santa Ana, California, United States
$27-$30/hr OnsitePart Time
OneOC
OneOC: Provides fiscal sponsorship and back-office support for nonprofits.
2+ YOE2+ years admin or bookkeeping experience, bilingual English/Spanish, QuickBooks Online and Microsoft Office proficiency, cash handling, payroll and AR/AP support, strong communication and confidentiality.
QuickBooks Online, Microsoft Excel, Microsoft Outlook, Microsoft Word
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1w
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Business Office Assistant
Laguna Hills, California, United States
$25-$26/hr OnsiteFull Time
Meridian at Laguna Hills
Meridian at Laguna Hills: A senior living community providing independent and assisted living services.
Customer-service experience preferred, bilingual candidates preferred, high school diploma required; duties include concierge tasks, A/R, A/P, payroll time edits, HR paperwork, marketing/admin support, and background/drug screening.
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2mo
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Front Office Medical Assistant
Corona, California, United States
$21-$25/hr OnsiteFull Time
Argus Medical Management
Argus Medical Management: Provides administrative and operational management services for physician practices.
2+ YOETwo years in front office/medical admin; rheumatology preferred; bilingual Spanish required; experience with insurance eligibility, prior authorizations, referrals; strong organization and customer service.
Electronic Health Record (EHR), Insurance verification software
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1mo
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Administrative Assistant to the Chief Executive Officer (Hourly)
Santa Ana, California, United States
$21-$25/hr OnsiteFull Time
Orange County Council, Boy Scouts of America
Orange County Council, Boy Scouts of America: Provides character development and leadership training for youth.
2+ YOEHigh school diploma or equivalent; 2+ years admin or executive support; strong organizational and communication skills; proficient with MS Office or Google Workspace; able to manage multiple priorities.
Microsoft Office, Google Workspace
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2mo
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Sr. Administrative Assistant ($34.52 - $42.60) (Irvine, CA, 92617)
Irvine, California, United States
$35-$43/yr OnsiteFull Time
Irvine Company
Irvine Company: Developing and managing master-planned communities and commercial properties.
2+ YOESupport Leasing VP with admin tasks, calendar, travel, budgeting, and document management; 2+ years preferred; Bachelor's preferred.
Google Workspace, Microsoft Office, Adobe
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2mo
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Affordable Housing Assistant Manager- Bell Ranch
Wildomar, California, United States
$24/hr OnsiteFull Time
Solari Enterprises
Solari Enterprises: Manages affordable housing and multi-family residential communities in California.
1+ YOE1-2 years property management and admin experience; knowledge of Section 8/42/HUD; California driver license; Yardi experience; CPO certification preferred.
Yardi, Microsoft Office
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3mo
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Front Office Admin - Patient Service Representative I
Fontana, California, United States
$25-$30/hr OnsiteFull Time
Unicare Community Health Center
Unicare Community Health Center: Operates community health clinics providing comprehensive outpatient medical services.
1+ YOEHigh school diploma or GED; 1 year in a healthcare office; excellent customer service; bilingual English/Spanish; Medical Assistant certification preferred.
Electronic Health Records, Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft Access
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3mo
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Assistant Director of Licensure and Compliance
Redlands, California, United States
$70k/yr OnsiteFull Time
University of Redlands
University of Redlands: Private university providing personalized undergraduate and graduate education.
3+ YOEBachelor’s degree required; 3-5 years in higher education admin; strong knowledge of licensure/credentialing and regulatory compliance; excellent communication and organizational skills.
Microsoft Office Suite
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3w
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HR Support Services Assistant - Full-Time
Temecula, California, United States
$25-$36/hr OnsiteFull Time
Universal Health Services
Universal Health ServicesNYSE: UHS: Operates acute care hospitals and behavioral health facilities.
1+ YOEHigh school diploma required; 1+ year office/admin experience; HRIS high-volume data entry (e.g., UKG, Workday, Lawson); knowledge of FLSA/HIPAA, Form I-9 and E-Verify compliance; Microsoft Office proficiency; attention to detail and confidentiality.
UKG, Kronos, Lawson, Workday, HRIS, Microsoft Office, E-Verify, Form I-9, The Joint Commission (TJC)
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