Internships in Brentwood, New York, United States

Outreach Catholic Adolescent Residential Program team provides evidence‑based substance use and mental health services to chemically dependent youth. The Intern Counselor will assist experienced counselors with assessments, intake, treatment planning, individual and group counseling, and case documentation while learning clinical supervision and coordination with agencies.

Innovative Rocket Technologies (iRocket) builds reusable space‑launch vehicles. Interns join cross‑functional teams to contribute to hardware design, test campaigns, manufacturing workflows, data pipelines, and launch readiness tasks.

The Veterinary Emergency Group (VEG) invites veterinary technology students to join its Externship Program in Commack, NY. This unpaid, hands‑on experience immerses participants in a 24/7 emergency setting, allowing them to observe and assist with triage, diagnostics, anesthesia, and inpatient care under the guidance of credentialed technicians. Students will develop practical skills, learn real‑time problem‑solving, and gain insight into the fast‑paced, team‑driven culture of veterinary emergen

SCO Family of Services Direct Service Worker team provides vital human services to vulnerable New Yorkers, focusing on children and families. As an Intern you will support residential program activities, preparing and assisting with child‑focused events under supervisor guidance.

Design Showroom team at Riverhead Building Supply helps homeowners, architects, and contractors explore product and design solutions in the showroom. The intern assists customers, supports showroom operations, learns cabinetry and home design trends, and documents orders in the CRM. Farmingdale, NY, hybrid with on-site showroom presence, 3 days onsite, remote work allowed for administrative tasks.

North Atlantic Industries (NAI) is a provider of embedded electronic solutions for military, aerospace, and industrial markets. The Full Stack Software Engineer Intern (Fall 2026) assists with developing, testing, and maintaining web applications and APIs that support business operations, working closely with experienced engineers on C#/.NET and JavaScript code.

North Atlantic Industries (NAI) is a leading provider of embedded electronic solutions for military, aerospace, and industrial markets. The Software Engineer Intern assists with designing, developing, and testing software applications and tools for NAI products, gaining exposure to GUI development, embedded programming, and software-hardware integration.

The College Financial Representative Internship Program at Northwestern Mutual in Melville, NY, provides guidance and a framework for building an integrated financial planning practice from the ground up. Interns prospect and network to build a client base, develop and execute business strategies, call on potential clients, prepare financial plans, and engage in weekly coaching and training.

Northwestern Mutual's College Financial Representative Internship Program in Melville, NY, on-site, guides students to build an integrated financial planning practice from the ground up. Interns prospect and network to build a client base, develop and execute business strategies, call on potential clients, prepare plans, and engage in weekly coaching and training.

We are looking for a Design Engineering Intern to join our Target Rock team in the Design Engineering Department!