258 senior administrative assistant jobs at 188 companies in Byron, CA
2w
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Senior Administrative Assistant
San Jose, California, United States
$92k-$115k/yr OnsiteFull Time
8+ YOE8+ years executive administrative experience supporting senior leaders, strong calendar/travel/expense coordination, discretion, Microsoft Office proficiency, excellent communication and organizational skills.
Microsoft Office, Microsoft Outlook
1mo
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SENIOR ADMINISTRATIVE ASSISTANT
San Rafael, California, United States
OnsiteFull Time
Providing administrative support to assigned administrators and departments, maintaining records, coordinating projects, exercising independent judgment, and compiling/distributing materials and reports.
4d
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Administrative Assistant, Senior
Los Altos Hills, California, United States
$81k-$108k/yr OnsiteFull Time
5+ YOEHigh school completion with college coursework and five years of increasingly responsible administrative support experience. Requires advanced administrative, budgeting, records, customer service, communication, and computer skills.
computer, database, spreadsheet, ticketing system, point-of-sale, scheduling system
2mo
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Senior Administrative Assistant
San Jose, California, United States
$90k-$95k/yr OnsiteFull Time
5+ YOE5+ years administrative experience, High School Diploma/GED, advanced MS Office skills, experience managing complex calendars, expense reports, travel coordination, vendor/invoice support, confidentiality and independent judgment.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Oracle, JD Edwards
1mo
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Senior Administrative Assistant
San Francisco, California, United States
$105k-$115k/yr OnsiteFull Time
3+ YOE3+ years administrative experience supporting multiple leaders, bachelor’s degree preferred, advanced Microsoft Excel and Office skills, experience with expense reporting and travel coordination, excellent communication and discretion.
Microsoft Excel, Microsoft Outlook, Microsoft Word, Microsoft PowerPoint, Concur, Zoom, Microsoft Teams, Canva
3w
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Senior Administrative Assistant II
Redwood City, California, United States
$99k-$124k/yr HybridFull Time
10+ YOE10+ years executive administrative experience supporting C-level leaders; advanced Microsoft Office skills; strong organization, discretion, communication, and project management.
Microsoft Office, Microsoft Outlook, Microsoft Teams, Microsoft PowerPoint, smartsheets
1w
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Senior Administrative Assistant
Pleasanton, California, United States
OnsiteFull Time
3+ YOERequires 3–5 years of administrative support experience, advanced Microsoft Office proficiency, project coordination, strong communication, organization, judgment, discretion, and ability to manage high-volume work independently.
Microsoft Office
1mo
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Administrative Assistant
Cupertino, California, United States
OnsiteFull Time
Highly organized, proactive administrative support for a Senior Director and their teams; anticipates needs, manages priorities, and improves processes to keep the organization running smoothly.
1mo
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Administrative Assistant
Stockton or San Joaquin County or Stanislaus County or Tuolumne County
$20-$25/hr OnsitePart Time
5+ YOEProvides executive-level administrative support including calendar and meeting coordination, data entry and reporting for grants, communications, procurement support, and Microsoft Office proficiency; 5+ years administrative experience preferred.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook
1w
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Senior Administrative Assistant (Administrative Support Assistant III)
McLean or New York City or Richmond or Plano or San Francisco
$74k-$101k/yr OnsiteFull Time
2+ YOEHigh school diploma or GED and 2+ years of administrative experience and Microsoft Office Suite or Google Workspace experience; strong organization, communication, judgment, and multitasking skills.
Microsoft Outlook, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Google Workspace, Gemini, CoPilot, Claude, Zoom, Skype
1w
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Senior Administrative Assistant (Administrative Support Assistant III)
McLean or New York City or Richmond or Plano or San Francisco
$74k-$101k/yr OnsiteFull Time
2+ YOEHigh school diploma or GED, at least 2 years of administrative experience, and 2 years using Microsoft Office Suite or Google Workspace; executive support experience preferred.
Microsoft Outlook, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Google Workspace, Gemini, CoPilot, Claude, Zoom, Skype
1w
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Senior Administrative Assistant (Administrative Support Assistant III)
McLean or Richmond or Plano or San Francisco or New York City
$81k-$92k/yr OnsiteFull Time
2+ YOEHigh school diploma or GED and 2+ years of administrative experience and Microsoft Office Suite or Google Workspace experience. Preferred: associate degree, executive support, calendar management, event planning, AI, and video conferencing experience.
Microsoft Office Suite, Microsoft Outlook, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Google Workspace, Gemini, CoPilot, Claude, Zoom, Skype
2mo
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Administrative Assistant
Berkeley, California, United States
$75k/yr HybridFull Time
3+ YOE3+ years administrative support experience; proven support for multiple senior executives; proficiency with Microsoft Outlook, Word, Excel, PowerPoint; familiarity with Jira, Confluence, Smartsheet, GenAI a plus; bachelor's degree preferred; must be authorized to work in the U.S.
Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Atlassian, Jira, Confluence, Smartsheet, GenAI
1mo
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Senior Administrative Assistant, Enforcement
New York City or Jericho or Denver or Dallas or Chicago or Boston or Boca Raton or Tysons or Jersey City or Woodbridge or Washington or San Francisco or Rockville or Philadelphia or Los Angeles
$26-$55/hr HybridFull Time
6+ YOEHigh school diploma or equivalent (college degree or six years admin experience preferred), proficiency with word processing/spreadsheet/presentation software, strong organizational, communication, and confidentiality skills, ability to manage multiple projects.
4w
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Administrative Assistant II
Pleasanton, California, United States
$27-$55/hr OnsiteFull Time
3+ YOE3+ years advanced administrative experience supporting senior leadership, high school/GED required, strong communication and organizational skills, advanced Microsoft Office proficiency.
Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Teams
4w
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Administrative Assistant II
Pleasanton, California, United States
$27-$55/hr OnsiteFull Time
3+ YOEHigh school/GED, 3–5 years advanced administrative experience supporting senior leadership, advanced Microsoft Office proficiency, strong communication and organizational skills.
Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Teams
3w
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Senior Administrative Assistant Design Technology Platform
Santa Clara, California, United States
$78k-$111k/yr OnsiteFull Time
5+ YOEProvide executive administrative support including complex calendar management, travel coordination, event planning, SharePoint/Teams maintenance, and use of Workday and Concur; 5+ years experience.
Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, SharePoint, Microsoft Teams, Workday, Concur
1mo
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Executive Administrative Assistant
San Francisco or San Diego
$37-$63/hr OnsiteFull Time
5+ YOE5+ years administrative experience, advanced organization, discretion with senior management, strong written and oral communication, strong Microsoft Office proficiency, excellent telephone etiquette and calendar management.
Microsoft Office
1w
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Administrative Assistant 5
San Francisco or San Jose
$148k-$214k/yr OnsiteFull Time
5+ YOEBachelor's degree or equivalent experience; 5+ years in administrative coordination or operations, executive support experience, Microsoft Office, Slack, and expense-reporting software proficiency.
Microsoft Teams, Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Slack, Concur
1w
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Administrative Assistant
San Jose, California, United States
$28-$53/hr HybridFull Time
4+ YOERequires 4+ years supporting senior management, strong Outlook, Microsoft PowerPoint, and Microsoft Excel skills, confidentiality, organization, scheduling, travel coordination, communication, and event planning abilities.
Microsoft Outlook, Microsoft PowerPoint, Microsoft Excel
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