123 administrative assistant jobs at 73 companies in Middletown, CA

2mo
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Administrative Assistant
Rohnert Park, California, United States
$18-$26/hr OnsiteFull Time
ServiceMaster Contract Services
ServiceMaster Contract Services: Professional janitorial and commercial cleaning services provider.
2+ YOE2+ years administrative/office experience; proficient in Microsoft Office; strong customer service; able to manage multiple tasks; high school diploma or GED.
Microsoft Office, Outlook, Word, Excel, Xactimate, Proprietary software
3w
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Administrative Assistant
Yountville, California, United States
OnsiteFull Time
The Estate Yountville
The Estate Yountville: A 22-acre luxury resort destination in Napa Valley.
1+ YOE1–3 years administrative or hospitality support experience preferred; strong organization, communication, vendor and purchasing support skills; proficiency with Microsoft Office/Outlook/Excel; experience with ALICE, BirchStreet, Opera Cloud, HotSOS, or Asana preferred.
Microsoft Office, Microsoft Outlook, Microsoft Excel, ALICE, BirchStreet, Opera Cloud, HotSOS, Asana
1mo
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Executive Administrative Assistant
Rohnert Park, California, United States
$86k-$112k/yr OnsiteFull Time
Traditional Medicinals
Traditional Medicinals: Manufactures and sells organic herbal medicinal teas and supplements.
5+ YOEMinimum 5 years executive administrative experience; CAP preferred. Strong Microsoft Teams, Excel, and PowerPoint skills; travel coordination; discretion with confidential information; excellent organization and communication.
Microsoft Teams, Microsoft Excel, Microsoft PowerPoint
3d
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Administrative Assistant (AA)
Vallejo, California, United States
$25-$30/hr OnsiteFull Time
DaVita
DaVitaNYSE: DVA: Provides kidney dialysis and integrated chronic disease management services.
1+ YOEHigh school diploma or GED, 50 WPM typing, Microsoft Office proficiency, phone etiquette and customer service skills, and at least one year of related medical administrative experience.
Microsoft Office, Headspace, Star Learning
5d
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Administrative Assistant II
Santa Rosa, California, United States
$26-$35/hr OnsiteFull Time
Sonoma County Indian Health Project
Sonoma County Indian Health Project: Healthcare provider for the Sonoma County Native American community
Executive-level administrative support experience, strong organization and time management, Microsoft Office Suite proficiency, independent work capability, confidentiality, and cultural sensitivity toward the Native American community.
Microsoft Office Suite
3w
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Administrative Assistant
Petaluma, California, United States
$25/hr OnsitePart Time
Keller Estate
Keller Estate: Produces and sells estate-grown cool-climate wines.
High school diploma, strong attention to detail, 1–2 years admin experience preferred, proficiency with Microsoft Word/Excel/Outlook/Teams and Zoom, valid California driver\u0002s license, DMV systems knowledge, able to manage invoices and records.
Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft Teams, Zoom, DMV online systems
3w
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Administrative Assistant
Vallejo, California, United States
OnsitePart Time
Caminar
Caminar: Provides behavioral health, substance use, and social support services.
Performs reception, multi-line phone handling, EHR data entry, calendar and office management; prior experience with people with mental health disorders; strong computer, communication and confidentiality skills.
Microsoft Windows, Human Service Information Systems
1mo
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Administrative Assistant - Bethlehem Tower
Santa Rosa, California, United States
$24-$25/hr OnsitePart Time
John Stewart Company
John Stewart Company: Provides housing management and development services in California.
2+ YOEMinimum 2 years administrative experience, proficiency in Microsoft Word/Excel/PowerPoint/Outlook and Boston Post, strong English communication, organized and professional.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Boston Post
3w
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Administrative Assistant to Pastoral Engagement Director & Department
Colusa, California, United States
$19-$23/hr HybridPart Time
Ministerial Association of California Counties
Ministerial Association of California Counties: Non-profit providing health, housing, and food support services.
Provide administrative, organizational, and communication support to the Pastoral Engagement Director; create professional documents; manage calendars, records, and communications; assist with program coordination.
Microsoft Excel, Microsoft Word
1w
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CATERING ADMINISTRATIVE ASSISTANT (FULL TIME)
Vallejo, California, United States
$25-$30/hr OnsiteFull Time
Compass Group
Compass GroupLondon Stock Exchange: CPG: Global provider of contract food and support services.
Prior catering, administrative, and social media or marketing experience required. Responsibilities include clerical support, staffing assistance, records, reconciliations, invoices, financial reports, and customer communication.
computer
1w
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CATERING ADMINISTRATIVE ASSISTANT (FULL TIME)
Vallejo, California, United States
$25-$30/hr OnsiteFull Time
Compass Group
Compass GroupLondon Stock Exchange: CPG: Provides contract food and support services globally.
Prior catering, administrative, and social media/marketing experience required; clerical skills, recordkeeping, bank and vendor reconciliation, and customer-facing communication.
1w
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Executive Administrative Assistant (20)
Colusa, California, United States
$67k-$99k/yr OnsiteFull Time
Colusa County Office of Education
Colusa County Office of Education: Provides educational programs and administrative support to county schools.
4+ YOETwo years of college coursework in business administration or related field and four years of responsible secretarial experience; public education and governing board support experience preferred.
3mo
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Administrative Account Assistant, Commercial Lines
Napa, California, United States
$21-$24/hr OnsiteFull Time
Hub International
Hub International: Provides global insurance brokerage and risk management services.
1+ YOEHigh school diploma; 1-2 years administrative or related experience; strong communication and computer skills.
Microsoft Office Suite, Outlook
1mo
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Administrative Assistant- Sonoma, CA
Sonoma, California, United States
OnsiteFull Time
Woodgrain
Woodgrain: Manufactures and distributes wood windows, doors, and millwork.
2+ YOEAssociate's degree or 2+ years related experience; strong skills with Microsoft Windows, Word, and Excel; experience with EDI/order processing; excellent verbal/written communication and attention to detail; SAP experience a plus.
Microsoft Windows, Word, Microsoft Excel, SAP
3d
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Administrative Assistant (Outpatient), Day Shift, Full-time
Saint Helena, California, United States
$27-$34/hr OnsiteFull Time
Adventist Health
Adventist Health: Faith-based healthcare provider offering hospital and clinical services.
Administrative and clerical support experience, including receptionist duties, records management, correspondence, phone handling, appointment scheduling, database updates, and project support.
E-Verify
1mo
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Mental Health Administrative Assistant
Napa, California, United States
$20-$24/hr OnsiteFull Time
Burnett Therapeutic Services
Burnett Therapeutic Services: Behavioral and mental health therapy for children and families.
2+ YOEHigh school diploma/GED, bilingual English/Spanish preferred, 2 years administrative or client-care experience in behavioral health, strong communication, data and Google Suite/Microsoft Excel skills, reliable transportation.
Google Drive, Google Sheets, Google Docs, Microsoft Excel
5d
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Administrative Support Assistant - Political Science
San Luis Obispo or Solano County
$39k-$47k/yr OnsiteFull Time
California State University
California State University: Public university system providing higher education and academic research.
3+ YOEHigh school diploma or equivalent, 45 wpm typing, three years of general office support experience, customer service, office procedures, judgment, arithmetic, purchasing, and ordering skills.
Public Employees' Retirement System (CalPERS)
1w
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Administrative Manager
Santa Rosa, California, United States
$75k-$82k/yr OnsiteFull Time
Felton Institute
Felton Institute: Provides evidence-based mental health and social services.
3+ YOEBachelor's degree required, 3+ years in an assistant or supportive role, strong organizational and communication skills, records management experience, and proficiency with Microsoft Office and Adobe applications.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Access, Adobe, Smart Care, CIRCE
2mo
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Saratoga Retirement Community - Administrative Billing Assistant
Saratoga or Napa
$28-$36/hr HybridFull Time
Transforming Age
Transforming Age: Provides senior housing and integrated elderly care services.
1+ YOE1 year billing experience; SNF billing knowledge; proficient with Medicare/Medi-Cal; strong interpersonal and organizational skills.
Microsoft Office Suite, Word, Excel, Outlook, SharePoint, Teams, PCC, On Shift
3d
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Administrative Assistant I - 1.0 FTE, Willett Elementary School, 10 Months, 40 hours/week, Monday through Friday 7:30 a.m. to 4:00 p.m., $21.63-$23.59/hour.
Davis, California, United States
$22-$24/hr OnsiteFull Time
Davis Joint Unified School District
Davis Joint Unified School District: Public school district providing K-12 education in Davis, California.
1+ YOEHigh school diploma or equivalent and at least one year of progressively responsible secretarial or clerical experience; college credit may substitute for up to half the experience requirement.