Internships in Levittown, New York, United States

Paid 40‑hour internship to develop store leadership skills. Learn guest service, retail fundamentals, team leadership, problem‑solving, merchandising, and operational performance.

Northwestern Mutual College Financial Representative Internship program builds future financial planners through mentorship, networking, and hands‑on experience with proprietary planning tools. Interns prospect clients, develop business strategies, and prepare financial plans while receiving weekly coaching and licensing support.

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.

Citrin Cooperman seeks motivated audit interns to support the Winter Internship Program. Interns will gain hands‑on experience in financial reporting, tax extensions, account analysis, and reconciliations while working Monday‑Thursday onsite and weekends as needed.

Long Island Rough Riders is a historic semi‑professional soccer club in Uniondale, NY, dedicated to developing youth talent and community programs. This internship blends academic studies with hands‑on operational support, managing youth player needs, coordinating programs, and handling administrative tasks.

Webster Bank invites motivated undergraduates to join its Digital Account Opening (DAO) internship program. Over the summer, interns will collaborate with DAO teams to document current processes, analyze competitor features, and monitor client feedback to enhance the digital onboarding experience.

DCE Emergency Response Information Technology, Emerging Talent Intern supports the Division of Car Equipment’s Emergency Response Unit by developing and maintaining Power Apps, Power Automate, and SharePoint solutions to streamline incident reporting and operational workflows. The intern will test, troubleshoot, and document IT applications, manage data quality, and provide field support across New York City transit facilities.

Alliance Animal Health’s West Hempstead Animal Hospital offers a DVM Student Externship that provides veterinary students with hands‑on experience in a full‑service practice. Students work alongside experienced veterinarians, assisting with examinations, diagnostics, and procedures across a diverse patient population that includes dogs, cats, rabbits, ferrets, and other pocket pets.

American Regent, a top‑10 injectable manufacturer, seeks a Commercial Contracts and Operations Intern for a 13‑week program (May 18–Aug 14, 2026). The role supports the Contracts and Sales Operations team, handling contract reviews, data maintenance, sales reporting, pricing workflows, and process improvements.

Under supervision of a Speech Language Pathologist, evaluate, plan, and provide speech therapy for pediatric and adult patients with intellectual and developmental disabilities. Provide training on home therapeutic programs and assistive devices, document in electronic health records, meet productivity expectations, and collaborate with interdisciplinary team to improve quality of life.

TTM Technologies, a leading global printed circuit board manufacturer, seeks a Systems Engineering Intern for its Summer 2026 program in Farmingdale, NY. The role involves assisting the Systems Engineer team with design and development of advanced military and space-based products. Responsibilities include developing system requirements, defining overall architecture, designing Radar/IFF modes, performing performance analysis, documenting system design, creating test and integration methodology,

Mechanical Engineering Intern supporting Nu-Torque Engineering Team with assembly, test, and qualification of actuators. Responsibilities include test procedure creation, fixture design, tool database management, and drawing maintenance.

The Veterinary Emergency Group (VEG) invites veterinary technology students to join its hands‑on externship program in Carle Place, NY. Participants will shadow credentialed emergency technicians, assist with triage, diagnostics, anesthesia, and inpatient care, and practice skills required by their school’s proficiency checklist. The program offers mentorship, real‑time learning, and exposure to the fast‑paced environment of an emergency veterinary hospital.

Recruitment Marketing team at NAPA Management Services Corporation builds and optimizes digital assets for talent acquisition. The intern supports landing page creation, social media channel launches, and campaign deployment, gaining hands‑on experience with CMS, ATS, and marketing platforms.

Marsh & McLennan Agency’s Social Media Intern program builds skills for future Marketing & Communications roles. Interns create and schedule content on Instagram, Facebook, LinkedIn, and X, while tracking performance metrics and supporting brand consistency.

Webster Bank invites motivated undergraduates to join its Consumer Banking Field Operations team as a Summer Intern. Over the summer, interns will collaborate with senior leaders to coordinate field initiatives, document procedures, and analyze data to improve banking center performance.

A dynamic externship opportunity for veterinary students at Woodbury Animal Hospital, a thriving 3‑DVM clinic on Long Island. The program offers flexible scheduling, paid hourly compensation, and hands‑on experience in preventive, surgical, and wellness care.

Sports Management Intern on the Operations team at Super Soccer Stars, a leading youth soccer organization. Works on business development, marketing, partnerships, and coaching operations projects that drive growth across Long Island and Eastern Queens.

Join Siemens Healthineers as a Customer Finance Intern to support Operation Finance tasks across teams such as quote to booking, Credit Collections, Pricebook management, Lifecycle management, Enterprise Service Finance, and Customer Supply Chain Finance. The role focuses on CRM quote creation, review, and approval, ensuring compliance with pricing guidelines, contract terms, and coding requirements.

Customers Bank is a digital‑forward financial institution committed to innovation, collaboration, and community impact. Their 2026 Summer Internship Program is a 10‑week, full‑time experience designed for rising seniors pursuing a bachelor’s degree.