590 administrative assistant jobs at 247 companies in Mastic Beach, NY

6d
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Administrative Assistant
Queens, New York, United States
$25/hr OnsiteFull Time
Samaritan Daytop Village
Samaritan Daytop Village: A non-profit provider of behavioral health and supportive housing.
2+ YOEHigh school diploma or equivalency required; two years of administrative assistant experience, Microsoft Office proficiency, office equipment knowledge, communication, organization, and multitasking skills.
Microsoft Office Suite
2w
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Administrative Assistant
Farmingdale, New York, United States
$21-$25/hr OnsiteFull Time
Intertek
IntertekLondon Stock Exchange: ITRK: Provides global testing, inspection, and certification services for products.
2+ YOEHigh school diploma/GED, Microsoft Word and Excel proficiency, typing and administrative experience; 2 years administrative experience preferred.
Microsoft Word, Microsoft Excel, Microsoft Office
2mo
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Administrative Assistant
Milford, Connecticut, United States
OnsiteFull Time
ServiceMaster Contract Services
ServiceMaster Contract Services: Professional janitorial and commercial cleaning services provider.
Strong communication, customer service, organization, basic accounting, and office administration.
Microsoft Office, Accounting software
4h
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Administrative Assistant - Temp
West Haven, Connecticut, United States
$20-$22/hr OnsiteTemporary, Full Time
Liberty Tire Recycling
Liberty Tire Recycling: Transforms scrap tires into sustainable raw materials and products.
Bilingual Spanish/English administrative assistant with data entry and clerical skills, willingness to learn, and ability to pass drug, criminal background, and employment verification screenings.
2mo
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Senior Administrative Assistant
Norwalk, Connecticut, United States
$100k-$113k/yr OnsiteFull Time
EMCOR Group
EMCOR GroupNYSE: EME: Specialty contractor providing electrical, mechanical, and facilities services.
5+ YOEAssociates degree or equivalent, ~5 years administrative experience preferred, confidentiality, advanced Microsoft 365 skills, DocuSign and AI-assisted tools, strong communication, organization, and analytical ability.
Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Teams, Microsoft Visio, DocuSign, M365 Copilot
3mo
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Administrative Assistant
Plainview, New York, United States
$20/hr OnsiteFull Time
CN Guidance & Counseling Services
CN Guidance & Counseling Services: Provides integrated mental health, substance use, and housing services.
1+ YOEHigh school diploma or equivalent required; 1+ year experience with Microsoft Office; administrative experience preferred; strong communication, confidentiality, and health & safety awareness.
Microsoft Office
1w
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Administrative Assistant
Mount Sinai, New York, United States
$18-$22/hr OnsiteFull Time
Howard Hanna
Howard Hanna: Provides residential real estate brokerage and home mortgage services.
High school diploma, basic accounting and bookkeeping knowledge, strong clerical and administrative skills, accurate typing, professional communication, computer proficiency, and customer service skills required.
Instagram, Facebook, LinkedIn, Canva, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Publisher, Microsoft Outlook
1w
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Administrative Assistant
Stamford, Connecticut, United States
$55k-$70k/yr OnsiteFull Time
First County Bank
First County Bank: Independent mutual bank providing retail and commercial financial services.
3+ YOEAssociate degree preferred and 3+ years of administrative support experience required, including board or committee coordination, meeting minutes, MS Office proficiency, discretion, organization, and communication skills.
Microsoft Office, Microsoft 365, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
2mo
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Administrative Assistant
Stamford, Connecticut, United States
$20/hr OnsitePart Time
Ark Healthcare and Rehabilitation
Ark Healthcare and Rehabilitation: Operates skilled nursing and short-term rehabilitation facilities.
0+ YOEReliable, organized administrative support with proficiency in Microsoft Word/Excel/Outlook and Google Workspace; experience with medical records, data entry, filing, invoicing, and strong verbal/written communication.
Microsoft Word, Microsoft Excel, Microsoft Outlook, Google Workspace
1mo
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Administrative Assistant
Stamford, Connecticut, United States
OnsiteFull Time
Energy Spray Systems
Energy Spray Systems: Provides residential and commercial spray foam insulation and waterproofing.
Provide administrative support in construction environment; strong organization, communication, document and spreadsheet management, project setups, data entry, and customer contact; proficiency in Microsoft Word, Excel, Outlook.
Microsoft Word, Microsoft Excel, Microsoft Outlook
1d
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Administrative Assistant
Bridgeport, Connecticut, United States
$18-$22/hr OnsiteFull Time
Chemical Abuse Services Agency
Chemical Abuse Services Agency: Provides behavioral health and addiction recovery services in Connecticut.
1+ YOEHigh school diploma or equivalent, one year of office experience, administrative procedures knowledge, Microsoft Office proficiency, strong interpersonal and grammar skills, and English-Spanish bilingual ability.
Microsoft Office, Microsoft Word, Microsoft Excel
1mo
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Administrative Assistant
New Haven, Connecticut, United States
$28/hr OnsitePart Time
Yale University
Yale University: Provides higher education and conducts global academic research.
2+ YOEProvide administrative support to researchers: scheduling, phone screening, correspondence, data gathering, spreadsheet maintenance, filing, inventory and basic office operations; strong computer, communication, and time-management skills.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint
2w
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Administrative Assistant
Garden City, New York, United States
$44k/yr OnsiteFull Time
Adelphi University
Adelphi University: Private research university offering diverse degree and certificate programs.
2+ YOEMinimum two years administrative experience, knowledge of trades and facilities processes, proficiency with Microsoft Word/Excel, Google Suite and ADP, strong communication and customer service, bachelor's degree preferred.
Microsoft Word, Microsoft Excel, Google Suite, ADP, Unimarket
2w
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Administrative Assistant
Mineola, New York, United States
OnsiteFull Time
Rosini Furniture Service
Rosini Furniture Service: Specializes in antique and fine furniture repair and restoration.
2+ YOE2 years administration experience, proficiency with QuickBooks and Microsoft Office (Word, Excel, Outlook), bookkeeping, payroll, strong communication, multitasking, organized, valid driver\u0002s license, Associate degree.
QuickBooks, Microsoft Word, Microsoft Excel, Microsoft Outlook
1mo
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Administrative Assistant
Far Rockaway, New York, United States
$24-$25/hr OnsiteFull Time
Related Companies
Related Companies: Privately-owned firm developing, managing, and investing in real estate.
1+ YOE1+ year administrative, customer service, or front desk experience; multifamily/affordable housing experience preferred; proficiency with Microsoft Word, Excel, Outlook; strong communication, confidentiality, and time-management skills.
Microsoft Word, Microsoft Excel, Microsoft Outlook
1mo
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Administrative Assistant
Valley Stream or New York City or Chantilly or Baltimore or Windsor Locks or Houston or Honolulu or Kahului
$30/hr OnsiteFull Time
International Shoppes
International Shoppes: Provides duty-free and luxury retail in international airports.
2+ YOEAssociate's degree or equivalent experience, 2+ years administrative experience preferred in retail/merchandising/purchasing, proficiency with Microsoft Excel/Word/Outlook, ERP experience preferred, strong organizational and communication skills.
Microsoft Excel, Microsoft Word, Microsoft Outlook, ERP
1mo
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Administrative Assistant
New Rochelle, New York, United States
$60k-$75k/yr OnsiteFull Time
Almstead Tree and Shrub Care
Almstead Tree and Shrub Care: Provides professional tree, shrub, and lawn care services.
5+ YOEMinimum five years' administrative experience, bachelor's degree in business or related field, strong Microsoft Word/Excel/Outlook skills, proposal/report preparation, exceptional customer service, written and verbal communication, multitasking, and attention to detail.
Microsoft Word, Microsoft Excel, Microsoft Outlook
1mo
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Senior Administrative Assistant
New Haven, Connecticut, United States
$32/hr HybridFull Time
Yale University
Yale University: Providing higher education and conducting advanced scientific research.
6+ YOEProvide high-level administrative support including complex calendar management, travel coordination, event planning, financial processing, document preparation, and confidential communication skills.
Microsoft Word, Microsoft Excel, Microsoft Outlook, Workday
3mo
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Sr Administrative Assistant
Stamford, Connecticut, United States
$45k-$60k/yr HybridFull Time
Gartner
GartnerNYSE: IT: Provides research and advisory services for business leaders.
8+ YOESenior-level administrative role requiring project coordination, calendar management, and travel arrangements.
Microsoft Word, Outlook, PowerPoint, Excel
1mo
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Administrative Assistant 1/Administrative Assistant Trainee 1/2 (NY HELPS)
Southampton, New York, United States
$52k/yr OnsiteFull Time
Stony Brook University
Stony Brook University: Provides public higher education, medical research, and healthcare services.
2+ YOECivil Service eligible-list or NY HELPS appointment; Administrative Assistant 1 requires 2 years of administrative support experience (associate degree may substitute). Traineeship options require 6–12 months and mandatory coursework completion; proficiency with Office Suite and university systems.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, SOLAR, PeopleSoft, Qualtrics, Brightspace, Google Drive, 25Live, CASPA