Administrative Assistant Jobs in Brookhaven, NY

1-15 of 66 Jobs

Laboratory Admin Coordinator - Lab Procurement Dist Admin - Per Diem Days

  • NYU Langone Medical Center
  • Patchogue, NY (3 miles from Brookhaven, NY)
  • 7 hours ago
  • Patchogue, NY (3 miles from Brookhaven, NY)
  • 7 hours ago

NYU Langone Hospital-Suffolk is a 306-bed medical center, providing care to residents of eastern Long Island. The hospital facility is home to the Knapp Cardiac Care Center-an advanced heart...

In Person

Administrative Assistant

  • Catholic Health
  • West Islip, NY (20 miles from Brookhaven, NY)
  • 4 days ago
  • West Islip, NY (20 miles from Brookhaven, NY)
  • 4 days ago

As a Nursing Services Administrative Assistant the position is delegated the authority, responsibility and accountability necessary for carrying out your assigned duties....

In Person

Administrative Support Assistant

  • Northwell Health
  • Smithtown, NY (16 miles from Brookhaven, NY)
  • 4 days ago
  • Smithtown, NY (16 miles from Brookhaven, NY)
  • 4 days ago

Job Description Performs diversified clerical duties related to the operational needs of the office/department. Job Responsibility Performs diversified clerical duties which may include, but are...

In Person

Administrative Support Assistant

  • Northwell Careers
  • Bay Shore, NY (16 miles from Brookhaven, NY)
  • 6 days ago
  • Bay Shore, NY (16 miles from Brookhaven, NY)
  • 6 days ago

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In Person

Dental Office Assistant - Business Assistant

  • Heartland Dental
  • Sayville, NY (9 miles from Brookhaven, NY)
  • 6 days ago
  • Sayville, NY (9 miles from Brookhaven, NY)
  • 6 days ago

Dental Receptionist - Full Time Position (Monday 8am-6pm, Tuesday 8am-6pm, Wednesday 11am-7pm, Thursday 8am-7pm, and alternating Fridays and Saturdays Hours vary) + Salary range $21-$26/hr based...

In Person

Medical Secretary - NYU Langone Medical Associates - Patchogue

  • NYU Langone
  • Patchogue, NY (3 miles from Brookhaven, NY)
  • 6 days ago
  • Patchogue, NY (3 miles from Brookhaven, NY)
  • 6 days ago

NYU Langone HospitalLong Island is a 591-bed university-affiliated medical center, which offers sophisticated diagnostic and therapeutic care in virtually every specialty and subspecialty of...

In Person

Wealth: Seasonal Administrative Assistant Ronkonkoma, NY, USA

  • American Savings Bank
  • Ronkonkoma, NY (14 miles from Brookhaven, NY)
  • 7 days ago
  • Ronkonkoma, NY (14 miles from Brookhaven, NY)
  • 7 days ago

We are seeking a part-time Seasonal Administrative Assistant to support our Lake Ronkonkoma, NY tax office through April 2026. The hourly rate for this position is $20.00 per hour....

In Person Part Time

Temporary Administrative Assistant (New York Sea Grant); Stony Brook, New York

  • Cornell University
  • Stony Brook, NY (14 miles from Brookhaven, NY)
  • 8 days ago
  • Stony Brook, NY (14 miles from Brookhaven, NY)
  • 8 days ago

Temporary Administrative Assistant Nonexempt New York Sea Grant College of Agriculture and Life Sciences (CALS) Stony Brook, New York Who We Are CALS is a pioneer of purpose-driven science and Cornell...

In Person Part Time

Administrative Assistant, Senior

  • Stony Brook Medicine
  • East Setauket, NY (14 miles from Brookhaven, NY)
  • 8 days ago
  • East Setauket, NY (14 miles from Brookhaven, NY)
  • 8 days ago

Overview Administrative Assistant, Senior - Stony Brook Ophthalmology, UFPC Location: East Setauket, NY Schedule: Full Time Days/Hours: Monday - Friday; 8 AM - 5 PM Pay: $25.27 - $31.58 Our compensation...

In Person Full Time

Administrative Assistant

  • Stony Brook Medicine
  • Lake Grove, NY (12 miles from Brookhaven, NY)
  • 8 days ago
  • Lake Grove, NY (12 miles from Brookhaven, NY)
  • 8 days ago

Preferred Qualifications: Administrative Assistant experience in a healthcare setting....

In Person Full Time

Wealth: Seasonal Administrative Assistant

  • American Savings Bank
  • Ronkonkoma, NY (14 miles from Brookhaven, NY)
  • 9 days ago
  • Ronkonkoma, NY (14 miles from Brookhaven, NY)
  • 9 days ago

We are seeking a part-time Seasonal Administrative Assistant to support our Lake Ronkonkoma, NY tax office through April 2026. The hourly rate for this position is $20.00 per hour....

In Person Part Time

Administrative Support Assistant Gen Peds Islandia

  • Northwell Careers
  • Islandia, NY (14 miles from Brookhaven, NY)
  • 9 days ago
  • Islandia, NY (14 miles from Brookhaven, NY)
  • 9 days ago

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In Person

Administrative Assistant

  • TemPositions
  • Hauppauge, NY (14 miles from Brookhaven, NY)
  • 9 days ago
  • Hauppauge, NY (14 miles from Brookhaven, NY)
  • 9 days ago

Administrative Assistant Published December 16, 2025 Location Hauppauge, New York Category Office Support Job Type Contract Salary Min 23 Salary Max 25 Salary Unit Text Hourly DESCRIPTION Our client...

In Person

Medical Receptionist

  • Summit Health
  • Bay Shore, NY (16 miles from Brookhaven, NY)
  • 9 days ago
  • Bay Shore, NY (16 miles from Brookhaven, NY)
  • 9 days ago

About Our Company Were a physician-led, patient-centric network committed to simplifying health care and bringing a more connected kind of care. Our primary, multispecialty, and urgent care...

In Person

Administrative Assistant 3 (Opwdd)

  • Developmental Disabilities Institute
  • Smithtown, NY (16 miles from Brookhaven, NY)
  • 9 days ago
  • Smithtown, NY (16 miles from Brookhaven, NY)
  • 9 days ago

Duties of the Administrative Assistant 3 differ from those of the Administrative Assistant 2 in that they require a greater level of independent judgement and may include responsibilities of greater...

In Person

Demographic Data for Brookhaven, NY

Moving to Brookhaven, NY? Find some basic demographic data about Brookhaven, NY below.


Local
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Salary for Administrative Assistant Jobs in Brookhaven, NY

Estimated salary range based on data from US Bureau of Labor Statistics (BLS) and iHire research efforts.

Licensing / Certification

Required or preferred licenses and certifications for Administrative Assistant positions.



Highest Education Level

Administrative Assistants in Brookhaven, NY offer the following education background
Bachelor's Degree
36.3%
High School or GED
18.3%
Associate's Degree
16.1%
Vocational Degree or Certification
14.9%
Master's Degree
8.9%
Some College
3.7%
Doctorate Degree
1.2%
Some High School
0.5%

Average Work Experience
Here's a breakdown of the number of years' experience offered by Administrative Assistants in Brookhaven, NY
1-2 years
44.2%
Less than 1 year
30.3%
None
13.6%
2-4 years
10.1%
4-6 years
1.9%