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1,210 office assistant jobs at 599 companies in Walnut Creek, CA

4d
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Office Assistant
Stockton, California, United States
$23/hr OnsiteFull Time
Central Valley Training Center
Central Valley Training Center: Nonprofit vocational and support-services provider helping people with intellectual and developmental disabilities build skills and community independence.
2+ YOEHigh school diploma or equivalent and two years of office clerical or technical assistant experience and/or training. Requires Excel and Word skills, local travel, approved driver status, and ability to pass health screening.
Microsoft Excel, Microsoft Word
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2mo
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Office Assistant
San Francisco, California, United States
$23-$24/hr OnsiteFull Time
Institute on Aging
Institute on Aging: San Francis nonprofit providing home care, care management, and services to older adults and adults with disabilities.
Provide administrative support, reception, and clerical tasks; manage office supplies; bilingual in English and Cantonese; HS diploma required; BA preferred.
Microsoft Office, Internet
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1w
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Office Assistant
Stockton, California, United States
OnsiteFull Time
Aspire Public Schools
Aspire Public Schools: Network of college preparatory charter schools serving California students.
2+ YOEHigh school diploma and 2+ years in a fast-paced administrative role required. Requires Microsoft Office proficiency, communication, multitasking, school operations support, and ability to lift up to 30 pounds.
Microsoft Office
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1w
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Office Assistant
Campbell, California, United States
$25/hr FieldFull Time
Merry Maids of South Carolina & California
Merry Maids of South Carolina & California: Independent Merry Maids franchisee providing residential cleaning services to households in California and South Carolina.
Administrative support experience with data entry, scheduling, payroll, customer communication, Microsoft Office, organization, and ability to drive to customer homes as needed.
Microsoft Word, Microsoft Outlook, Microsoft PowerPoint, Microsoft Excel
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1mo
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Office Assistant
Fremont, California, United States
$22-$25/hr OnsiteFull Time
South Bay Solutions
South Bay Solutions: Privately held precision contract manufacturer serving semiconductor, medical, automotive, aerospace, and defense customers.
Provide administrative support to customer service and purchasing; data entry accuracy; proficiency in Microsoft Office; high school diploma required; ERP/manufacturing experience preferred.
Microsoft Outlook, Microsoft Excel, Microsoft Word
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2mo
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Office Assistant
San Jose, California, United States
$26-$31/hr OnsiteFull Time
Hudson Pacific Properties
Hudson Pacific PropertiesNYSE: HPP: Public REIT owning, developing and operating office and studio properties for technology and media tenants.
1+ YOE1-2 years office administration experience, strong Microsoft Windows/Word/Excel/PowerPoint skills, excellent communication, organization, confidentiality, and ability to prioritize multiple tasks.
Microsoft Windows, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Nexus payables
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3w
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Office Assistant
San Jose or Santa Cruz
$18/hr OnsitePart Time
Associated Students of San Jose State University
Associated Students of San Jose State University: Nonprofit student government and auxiliary organization providing advocacy, education, childcare, transportation, and campus services for SJSU students.
1+ YOECurrent matriculated San José State University student with at least one year of clerical or administrative support experience; proficiency in Google Workspace and Microsoft Office 365 required.
Google Workspace, Microsoft Office 365
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1mo
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Assistant Office Manager
San Francisco, California, United States
OnsiteFull Time
Berman Skin Institute
Berman Skin Institute: Private dermatology practice-management supporting dermatologists and aesthetic-medicine providers across the United States.
3+ YOE3+ years administrative or medical front/back-office experience, medical assistant experience preferred, HS diploma/GED required, proficient in Microsoft Office and EMA, able to work opening/closing shifts Monday–Saturday, sales experience a plus.
EMA, Microsoft Office
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2mo
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Office Assistant
San Francisco, California, United States
$30/hr OnsitePart Time
Pareto AI
Pareto AI: AI human-data platform helping frontier AI labs build and evaluate models with expert human judgment.
Part-time (minimum 10 hours/week across at least 3 days). Responsible for maintaining office common areas, kitchen and supplies, handling packages, running occasional local errands, and supporting events. Must be reliable, self-directed, and comfortable around people.
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2mo
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Office Assistant
Hayward, California, United States
$24-$27/hr OnsiteFull Time
WSH Management
WSH Management: Private California property management serving affordable and market-rate senior and multifamily apartment residents.
1+ YOEHandle phone and in-person tenant interactions, process applications, secure deposits, type leases, and maintain records; high school diploma, valid driver’s license, and ~1 year customer service or leasing experience preferred.
Microsoft Office, Microsoft Word, MS Outlook, 10-key calculator, copy machine, facsimile machine
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2d
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Office Services Assistant
Port Hueneme or Travis Air Force Base or Indianapolis or Tinker Air Force Base
$56k-$91k/yr OnsiteFull Time
United States Department of Defense
United States Department of Defense: The executive department responsible for coordinating United States military forces.
1+ YOEOne year of specialized administrative or clerical experience equivalent to GS-07, including scheduling, correspondence, filing, visitor support, and office assistance. No education substitution is allowed.
Microsoft Word, Microsoft Excel, USA Hire, USAJOBS, SF-50, SF-52, SF-75, DD-214, DD3145-1, PDF, GIF, JPG, JPEG, PNG, RTF, TXT, ODT, DOC, DOCX
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1mo
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Medical Office Assistant Lead
Fremont, California, United States
$28-$30/hr OnsiteFull Time
Salma Health
Salma Health: Private brain health providing integrated mental, neurological, and neuropsychiatric care, diagnostics, research, and technology to patients.
5+ YOE1+ MgmtMedical assistant certification required, 5+ years medical office experience with 1+ year managing a medical office; EHR proficiency, strong communication, organization, and multitasking skills.
EHR
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3mo
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Litigation/Office Assistant
Redwood City, California, United States
OnsiteFull Time
DTO Law
DTO Law: Private boutique law firm providing litigation and transactional counsel to companies, investors, and startups.
5+ YOE5+ years litigation support experience; strong MS Office/Adobe Acrobat/iManage; able to manage multiple tasks in fast-paced legal setting.
MS Office, Word, Adobe Acrobat, iManage, PACER, e-Filing, eDiscovery, Westlaw, CCC Macros, Best Authorities
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1w
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Assistant Office Manager
French Camp or Rancho Cordova
$25/hr FieldFull Time
Turning Point Community Programs
Turning Point Community Programs: Providing comprehensive behavioral health and social services in California.
4+ YOEAssociate degree and four years of varied administrative experience; Microsoft Office, Outlook, typing at 40–50 WPM, supervision, organization, communication, and a California driver's license with insured transportation.
Microsoft Office, Microsoft Outlook, Microsoft Excel, Microsoft Word
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3w
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Office & Executive Assistant
Milpitas, California, United States
$90k-$120k/yr OnsiteFull Time
Saviynt
Saviynt: Private enterprise software providing AI-powered identity security and access governance for global enterprises and government institutions.
3+ YOERequires 3+ years in office management or executive administration, C-level support experience, strong organization and communication skills, confidentiality, and proficiency with Microsoft Office Suite and Google Workspace.
Microsoft Office Suite, Google Workspace
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5d
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Senior Office Assistant-Confidential
Stockton, California, United States
$4k-$5k/mo OnsiteFull Time
San Joaquin County
San Joaquin County: Local government providing public safety, health, infrastructure, and social services to residents.
Confidential senior office support role in Human Resources or County Counsel; applicants must complete an online application, supplemental questionnaire, examination process, background investigation, and DOJ Live Scan.
Microsoft Internet Explorer
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1mo
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Office Manager & Executive Assistant
San Francisco, California, United States
$95k-$120k/yr OnsiteFull Time
Linq
Linq: Private messaging API platform for businesses and developers using iMessage, RCS, SMS, and voice.
2+ YOE2+ years office management, executive assistant, or operations experience; excellent organization, calendar/travel/expense support, vendor and office management, event planning, onboarding logistics; based in San Francisco and in-office five days/week.
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2w
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Special Education Office Assistant II
Modesto or Alameda County or Contra Costa County or Santa Clara County or San Mateo County or San Francisco County or San Joaquin County or Stanislaus County or Calaveras County or Mariposa County or Merced County or Tuolumne County or Waterford
OnsiteFull Time
CWCS Waterford
CWCS Waterford: California nonprofit public charter-school operator serving TK–12 students through personalized independent-study, hybrid, and online education.
High school diploma, English proficiency, strong grammar, phone etiquette, attention to detail, Microsoft Office proficiency, and Google Email/Apps experience; submit a letter, resume, and three recommendations.
Microsoft Office, Google Email, Google Apps
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1w
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Office Services Assistant
Roseland or New York City or Palo Alto or Salt Lake City or San Francisco or Washington, D.C. or Wilmington
$52k-$55k/yr OnsiteFull Time
Lowenstein Sandler
Lowenstein Sandler: U.S. national law firm providing legal counsel to companies, investors, institutions, and private clients.
2+ YOERequires 2+ years of office services experience, high school diploma or equivalent, valid driver's license, general clerical experience, customer service orientation, teamwork, confidentiality, and reliable attendance.
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2w
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Clinical Office Assistant
Vallejo, California, United States
OnsiteFull Time
La Clínica de La Raza
La Clínica de La Raza: Community-based health center providing accessible, high-quality healthcare.
1+ YOEHigh school diploma or equivalent, 1–2 years in a clinical or professional office setting, medical terminology, customer service, computer and EHR knowledge, English communication, and healthcare health clearances.
Microsoft Word, Microsoft Outlook, Electronic Health Records (EHR), Electronic Practice Management systems
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