The Suffolk County Leaders in Training Program provides college students with real world experience in public service. An internship with Suffolk County provides a valuable opportunity to view the inner workings of County government as well as the ability to gain professional-level public sector experience.
To get started, review the posted opportunities below and fill out the online application. You will have to upload a copy of your resume. Your application will be sent to one of the county's departmental internship supervisors that best suits your goals and interests.
Qualifications/Area of study
The Suffolk County Leaders in Training Program is open to residents of both Suffolk and Nassau Counties. We encourage students of all areas of study to apply; our program has included students with a focus in Business Management, Media Relations, Finance, Sociology, Political Science, Biology, and more.
The county has various internship programs, and depending on the type, some are paid and some are unpaid opportunities.
Upcoming Session:
Below are recent opportunities posted by departments. If you are interested in one of these internships, indicate it on your internship application.
Current postings:
Title of Internship: EDP - Downtown/TOD Intern
Department/Unit: Economic Development and Planning Department
Start Date for Internship: September 2, 2025
End Date for Internship: Flexible
Minimum College Year: Any
Occupational Interests: Urban and Regional Planning/ GIS Concentrations
Closing Date: Ongoing
Internship Supervisor's Name: Jonathan Keyes
Jonathan.Keyes@suffolkcountyny.gov
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Title of Internship: EDP - Planning & Environment Intern
Department/Unit: Economic Development and Planning Department
Start Date for Internship: September 8, 2025
End Date for Internship: December 12, 2025
Minimum College Year: Any
Occupational Interests: Urban and Regional Planning/ GIS Concentrations
Closing Date: Ongoing
Internship Supervisor's Name: William O’Brien
Planning@suffolkcountyny.gov
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Title of Internship: EDP - Planning & Environment Intern
Department/Unit: Economic Development and Planning Department
Start Date for Internship: ASAP
End Date for Internship: August 31, 2025
Minimum College Year: Any
Occupational Interests: Urban and Regional Planning/ GIS Concentrations
Closing Date: August 31, 2025
Internship Supervisor's Name: Joseph Sanzano
Planning@suffolkcountyny.gov
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Title of Internship
Finance/Accounting Intern
Department/Unit: Economic Development and Planning Department
Start Date for Internship: 2/1/2025
End Date for Internship: Ongoing
Minimum College Year: Any
Occupational Interests: Finance/Accounting
School/Degree Concentrations Finance/Accounting
Application
Closing Date: N/A
Internship Supervisor's Name: Michael Maraviglia
michael.maraviglia@suffolkcountyny.gov
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Title of Internship: Parks and Recreation Coordination
Department/Unit: Parks Department
Start Date for Internship: TBD
Minimum College Year: Any
Occupational Interests: Therapeutic Recreation; Recreation, Sports and Park Administration; Sports Management; Tourism and Recreation Management; other related fields may be considered.
**Must have a valid Driver's License.
Application Closing Date: TBD
Internship Supervisor's Name: Kellyanne.Sullivan
Kellyanne.Sullivan@suffolkcountyny.gov
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Title of Internship: Open Space & Farmland Preservation Intern
Department/Unit: Department of Economic Development and Planning
Start Date for Internship: June 2, 2025
End Date for Internship: August 22, 2025
Minimum College Year Any
Occupational Interests: Agriculture, land preservation, natural resources, real estate law, agriculture law, environmental science/studies, conservation, natural resources management
The Farmland and Open Space Unit within the Department of Economic Development & Planning is seeking an intern for Summer 2025. Interns in this position will assist the Unit with it's Farmland Development Rights and Open Space Preservation programs. We're seeking an individual interested in learning about and working on projects related to land preservation, real estate and land use.
Start and end dates are flexible: Application Closing Date TBD
Internship Supervisor's Name: Mikael Kerr
mikael.kerr@suffolkcountyny.gov