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. 

• The Internship Application

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 Water Quality Improvement Internship Department/Unit Department of Economic Development and Planning, Water Quality Improvement Unit 

Start Date for Internship June 2 2025 End Date for Internship August 22 2025 

Minimum College Year Any 

Occupational Interests Economic Development, Environmental Planning, Environmental Studies, Public Policy, or related field School/Degree Concentrations Economic Development, Environmental Planning, Environmental Studies, Public Policy, or related field Additional Information The Water Quality Improvement Unit administers several diverse programs with a purpose to protect, restore, and improve Suffolk County’s ground and surface waters. Work scope items include, but are not limited to, providing support in the administrative functions of the Water Quality Protection and Restoration Grant Program (WQPRP), the Aquaculture Lease Program (ALP), the Fertilizer Reduction Program, and Cornell Cooperative Extension Program Management. 

Candidates should be available for 2- 5 days per week, Monday-Friday. 

Start and end dates are flexible. Application Closing Date May 23 2025 

Internship Supervisor's Name Jamie Carroll 1 Internship Supervisor's Email Address jamie.carroll@suffolkcountyny.gov

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Title of Internship Finance/Accounting Intern for Economic Development and Planning Department/Unit EDP - Finance 

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 Internship Supervisor's Email Address michael.maraviglia@suffolkcountyny.gov

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Title of Internship Parks Department - Parks and Recreation Coordination

Start Date for Internship TBD 

Minimum College Year Any 

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 

Email Address 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 

Internship Supervisor's Email Address mikael.kerr@suffolkcountyny.gov

• The Internship Application