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185 senior administrative assistant jobs at 145 companies in Fairfield, CA

1mo
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Senior Administrative Assistant
San Francisco, California, United States
$105k-$115k/yr OnsiteFull Time
Carmel Partners
Carmel Partners: Private multifamily real estate investment, development, construction, and asset-management firm serving institutional and private investors.
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
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1w
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Senior Administrative Assistant
Elk Grove or Sacramento
$71k-$95k/yr OnsiteFull Time
City of Elk Grove
City of Elk Grove: Municipal government serving Elk Grove residents through public safety, infrastructure, planning, housing, and other city services.
2+ YOEHigh school completion and two years of increasingly responsible specialized administrative support experience required; advanced office, financial, budget, records, communication, and staff leadership skills needed.
Microsoft Office, Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint
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3w
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Senior Administrative Assistant
Pleasanton, California, United States
OnsiteFull Time
Shums Coda Associates
Shums Coda Associates: Private building-code consulting firm providing plan review, inspection, engineering, and education services to municipalities and government clients.
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
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2mo
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Administrative Assistant
Stockton or San Joaquin County or Stanislaus County or Tuolumne County
$20-$25/hr OnsitePart Time
Native C.O.R.E.
Native C.O.R.E.: Native C.O.R.E. is a nonprofit Native American outreach office providing education, harm reduction, recovery, and wellness services.
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
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3w
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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
Capital One
Capital OneNYSE: COF: A technology-driven bank providing diverse financial services.
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
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3w
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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
Capital One
Capital OneNYSE: COF: A technology-driven bank providing diverse financial services.
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
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3w
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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
Capital One
Capital OneNYSE: COF: A technology-driven bank providing diverse financial services.
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
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2mo
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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
FINRA
FINRA: Private nonprofit self-regulatory organization that supervises U.S. broker-dealers and protects investors.
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.
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3d
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Executive Administrative Assistant
San Francisco, California, United States
$34-$48/hr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services and investment banking firm.
5+ YOEFive or more years of administrative experience, advanced organizational ability, discretion with confidential matters, senior-management interaction, strong communication, telephone etiquette, competing-priority management, and Microsoft Office proficiency.
Microsoft Office
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1mo
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Administrative Assistant II
Pleasanton, California, United States
$27-$55/hr OnsiteFull Time
Abbott
AbbottNYSE: ABT: Global healthcare technology focused on life-changing medical innovations.
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
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Administrative Assistant II
Pleasanton, California, United States
$27-$55/hr OnsiteFull Time
Abbott
AbbottNYSE: ABT: Global healthcare technology focused on life-changing medical innovations.
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
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3w
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Administrative Assistant 5
San Francisco or San Jose
$148k-$214k/yr OnsiteFull Time
Adobe
AdobeNASDAQ: ADBE: Empowering everyone to create through innovative digital experiences.
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
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4w
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SENIOR ADMINISTRATIVE ASSISTANT (1.0 FTE)
San Rafael, California, United States
OnsiteFull Time
Marin County Office of Education
Marin County Office of Education: Public Marin County education agency providing programs, oversight, and support to students, educators, and local school districts.
Provide administrative support, maintain department records, coordinate projects, exercise independent judgement, bilingual Spanish required, type 60 wpm, secretarial experience.
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1w
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Sr HR Administrative Assistant
Sacramento, California, United States
$33-$40/hr HybridFull Time
Golden 1 Credit Union
Golden 1 Credit Union: Member-owned not-for-profit financial cooperative providing banking and lending services.
7+ YOEAssociate's degree preferred; minimum 7 years of administrative experience, preferably supporting senior HR leaders. Requires advanced Microsoft Office proficiency, organization, communication, confidentiality, and multitasking skills.
Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft SharePoint
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2w
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School Office Administrative Assistant
Oakland, California, United States
$26-$33/hr OnsiteFull Time
Envision Academy of Arts & Technology
Envision Academy of Arts & Technology: Nonprofit charter-school network preparing Bay Area students, especially first-generation college students, for college, career, and life.
5+ YOERequires 5+ years of administrative office experience, bilingual Spanish proficiency, strong communication and organizational skills, technology proficiency, and commitment to anti-racist and pro-Black practices.
PowerSchool
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1mo
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Legal Administrative Assistant
Los Angeles or Irvine or Walnut Creek or San Francisco
$75k-$95k/yr OnsiteFull Time
MG+M The Law Firm
MG+M The Law Firm: National litigation law firm representing corporate defendants in high-stakes litigation across the United States.
5+ YOEHigh school diploma, minimum 5 years litigation administrative experience, e-filing knowledge, proficient with Microsoft Office and legal research/filing systems, strong communication and organizational skills.
Microsoft Word, Microsoft Outlook, Microsoft PowerPoint, Microsoft Excel, DropBox, Lexis Nexis, File & Serve Xpress, Odyssey, PACER, ECF, iManage, CompuLaw, Aderant, File Site
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3w
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Executive Administrative Assistant
Irvine or Los Angeles or Boulder or Charlotte or Dallas or Phoenix or Sacramento or San Francisco or Seattle
$76k/yr OnsiteFull Time
Boulder Associates
Boulder Associates: Architecture, interior design, and consulting firm serving healthcare, science, senior living, workplace, and education clients.
5+ YOEBachelor's degree or equivalent experience, 5+ years as a full-time executive assistant, Microsoft Office proficiency, AV troubleshooting, event management, organization, communication, discretion, and confidentiality.
Microsoft Office Suite
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4d
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Administrative Assistant III
Tracy, California, United States
$35/hr OnsiteFull Time
Goldbelt Apex
Goldbelt Apex: Alaska Native health IT contractor delivering interoperability, research, and informatics services to government and healthcare clients.
5+ YOEFive or more years of related experience; DMLSS, TEWLS, and GCSS-A experience; ability to obtain NACI clearance; strong English, analytical, communication, computer, and problem-solving skills.
Microsoft Office Suite, Microsoft Word, Microsoft Excel, DMLSS, TEWLS, GCSS-A
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4d
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Administrative Assistant III
Tracy, California, United States
$35/hr OnsiteFull Time
Goldbelt Apex
Goldbelt Apex: Alaska Native health IT contractor delivering interoperability, research, and informatics services to government and healthcare clients.
5+ YOERequires 5+ years of related experience, DMLSS, TEWLS, and GCSS-A database experience, ability to obtain NACI clearance, strong English and analytical skills, Microsoft Office proficiency, and ability to lift 25+ pounds.
Microsoft Word, Microsoft Excel, DMLSS, TEWLS, GCSS-A
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1mo
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Administrative Assistant to the Research Services Team
San Francisco, California, United States
$100k-$120k/yr OnsiteFull Time
Dodge & Cox
Dodge & Cox: Employee-owned investment management firm serving individuals and institutions with equity, fixed-income, and balanced portfolios.
5+ YOE5+ years supporting senior teams in financial institutions; strong calendar, travel, expense, project coordination, communication, and confidential information handling skills.
Microsoft PowerPoint, Microsoft Excel, Microsoft Word, Microsoft Teams, Adobe Acrobat, SharePoint, M365, Copilot, Claude, Gemini
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