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979 support assistant jobs at 521 companies in Oceanside, CA

1w
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Supervisory Medical Support Assistant
Laguna Hills, California, United States
$69k-$90k/yr OnsiteFull Time
Department of Veterans Affairs
Department of Veterans Affairs: Provides healthcare, benefits, and cemetery services to military veterans.
0.5+ YOESupervisory administrative experience in patient support, ability to schedule and maintain medical records, strong communication, supervisory and fiscal management skills; U.S. citizenship and English proficiency required.
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2w
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Administrative Support Assistant
Santa Ana, California, United States
$20/hr OnsiteFull Time
Allied Universal
Allied Universal: Global provider of security guard and facility management services.
3+ YOEProcess payroll and timesheets, run reports (WinTeam), handle accounts receivable and inventory updates, strong MS Office skills, 3+ years admin experience, HS diploma required.
WinTeam, Microsoft Office
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3w
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Administrative Support Assistant
San Diego, California, United States
$4k-$5k/mo HybridFull Time
California State University
California State University: Public university system providing higher education and academic research.
High school diploma or equivalent and office experience; skills in procurement, budgeting, Microsoft Office, Google Workspace, communication, typing, and standard office procedures.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Gmail, Google Calendar
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1w
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Maintenance Administrative Support Assistant
Santa Ana, California, United States
$19-$22/hr OnsiteFull Time
Aluminum Precision Products
Aluminum Precision Products: Manufacturer of precision forged aluminum components for aerospace and automotive.
Perform administrative support for maintenance: data entry into IFS, job card/labor reports, scheduling, ordering supplies, answering phones/emails, office equipment use, safety and PPE compliance, read POs/drawings, ERP experience, 1-2 years office experience preferred.
Microsoft Office, E-mail, IFS, Cert APP
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3mo
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CA - IRVINE Support Services Assistant, Catering
Irvine, California, United States
$58k-$65k/yr OnsiteFull Time
Jones Day
Jones Day: Global law firm providing comprehensive legal and litigation services.
1+ YOEHigh school diploma or equivalent, 1+ year hospitality experience in a professional services or office support environment, exceptional customer service skills, flexibility to work overtime; responsible for conference room setup, catering orders, beverage setups, basic housekeeping, and inventory.
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2w
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Administrative Support Assistant
Santa Ana, California, United States
OnsiteFull Time
Allied Universal
Allied Universal: Global provider of physical security and facility management services.
3+ YOE3+ years administrative support experience; high school diploma or equivalent; strong MS Office and WinTeam proficiency; payroll, timekeeping, and reporting experience; strong communication and customer-service skills.
WinTeam, Microsoft Office
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3w
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Administrative Assistant (Trade Floor Support Assistant)
Newport Beach, California, United States
$46/hr OnsiteFull Time
PIMCO
PIMCO: Global investment management firm specializing in fixed income strategies.
On-site trade floor support Monday–Friday 5:00am–2:00pm; intermediate to advanced Microsoft Word/Excel/Outlook and Concur; strong telephone etiquette, organization, discretion, and attention to detail.
Microsoft Word, Microsoft Excel, Microsoft Outlook, Concur
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1mo
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Police Support Assistant I (Substitutes) 2026-2027
Oceanside or Cardiff-by-the-Sea or Carlsbad
$29/hr OnsiteTemporary
MiraCosta College
MiraCosta College: Public community college offering associate degrees and vocational certification.
1+ YOEHigh school diploma/GED, some college coursework in criminal justice or equivalent, 1 year clerical/administrative experience required, CJIS Security NexTest within six months, successful background clearance, proficiency with CAD and standard office software.
computer-aided dispatch (CAD), two-way radio, computerized mapping system
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4w
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Administrative Assistant (Trade Floor Support Assistant)
Newport Beach, California, United States
$46/hr OnsiteFull Time
PIMCO
PIMCO: Manages investment portfolios specializing in active fixed income strategies.
On-site Monday–Friday 5:00am–2:00pm PT. Must handle high-volume calls, support trade floor operations, coordinate travel, process expenses via Concur, and demonstrate discretion, organization, and intermediate-advanced Microsoft Office skills.
Microsoft Word, Microsoft Excel, Microsoft Outlook, Concur
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14h
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Medical Support Assistant
San Diego, California, United States
$52k-$67k/yr OnsiteFull Time
Defense Health Agency
Defense Health Agency: Providing global healthcare and medical support to the military.
1+ YOEOne year of specialized experience scheduling appointments, preparing reports with office automation tools, and documenting medical charts in a treatment facility or clinic; U.S. citizenship and Secret clearance required.
Military Health System (MHS) Genesis
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2w
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PHRC MMIP Support Service Assistant
Pala, California, United States
$23/hr OnsiteFull Time
Pala Band of Mission Indians
Pala Band of Mission Indians: Tribal government providing community services and operating commercial enterprises.
Provide administrative and operational support for MMIP program including scheduling, data entry, outreach, participant intake, recordkeeping, and event coordination. High school diploma and valid CA driver\u000fs license required.
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1d
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Behavior Support Assistant (6.5HRS) Special Education
Orange or Anaheim or Garden Grove or Santa Ana or Villa Park
OnsitePart Time
Orange Unified School District
Orange Unified School District: Public school district providing K-12 education in Orange County.
OUSD Instructional Assistant Test required. Employment is subject to completion of a Department of Justice/FBI criminal background record search and proof of work eligibility.
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1w
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Student Access and Support Services Assistant
San Diego County or Riverside County or San Bernardino County
$51k-$62k/yr OnsiteFull Time
Altus Schools
Altus Schools: Operates a network of public K-12 charter schools.
Requires accurate data entry, strong communication, organization, confidentiality, standard Microsoft Office skills, TB clearance, DOJ and FBI background clearance, and reliable onsite attendance; associate coursework preferred.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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1mo
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RBT/ABA Support Assistant (copy)
Chula Vista, California, United States
$28-$35/hr OnsitePart Time
High Tech High
High Tech High: Operates a network of project-based K-12 public charter schools.
0.5+ YOEHigh school diploma/GED, RBT certification or ABA training, associate degree or 48 college units or CBEST, experience in school settings and 6+ months ABA experience preferred, ability to assist with toileting, transfers, behavior plans, and data collection.
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2mo
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WIC Warehouse Support/General Assistant
San Diego, California, United States
$19-$20/hr OnsitePart Time, Contract
SDSU Research Foundation
SDSU Research Foundation: Manages grants and administrative services for university research.
Performs deliveries, warehouse organization, minor equipment assembly, vehicle maintenance, inventory tracking, and light computer-based documentation; must lift 50 lbs, hold valid California driver’s license and insurance, and pass background check.
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3w
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Senior Executive Assistant
Irvine, California, United States
$35-$54/hr OnsiteFull Time
Providence
Providence: Provides comprehensive healthcare services through hospitals, clinics, and health plans.
5+ YOEBachelor's degree or equivalent experience, graduation from a technical office program or equivalent, and 5 years administrative assistant experience supporting an executive.
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3w
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Senior Executive Assistant
Irvine, California, United States
$35-$54/hr OnsiteFull Time
Providence
Providence: A non-profit health system providing comprehensive medical care services.
5+ YOEBachelor's degree in English, liberal arts, or related field, technical secretarial or office support training, and five years of executive administrative assistant experience.
Microsoft Outlook
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1mo
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Assistant to VP/SVP
San Diego, California, United States
$36-$54/hr OnsiteFull Time
Qualcomm
QualcommNASDAQ: QCOM: Designs and manufactures semiconductors and wireless telecommunications products.
4+ YOEBachelor's +4yrs or Associate+6yrs or HS+8yrs administrative assistant experience; advanced Microsoft Office and shared file services proficiency; complex calendar, travel, and confidential executive support experience.
Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft SharePoint, Microsoft Teams, Microsoft OneDrive
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2mo
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Executive Assistant
San Diego, California, United States
$35-$57/hr OnsiteFull Time
BD
BDNYSE: BDX: Manufactures medical devices, surgical instruments, and pharmacy automation systems.
10+ YOE10+ years executive assistant experience supporting multiple leaders in a fast-paced, multinational environment; strong organization, communication, confidentiality; proficient with AI tools, Workday, PowerPoint, Excel; ability to prioritize and manage complex calendars.
AI tools, Workday, PowerPoint, Excel, Concur, SAP, MS Office
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3mo
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Store Support
San Diego, California, United States
$20-$22/hr OnsiteFull Time
The Home Depot
The Home DepotNYSE: HD: Operates retail stores selling home improvement and construction products.
Perform non-sales store support tasks such as order fulfillment, lot assistance, administrative services, cash handling, vendor interaction; must be detail-oriented, have time-management skills, integrity, and work with little supervision.
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