Internships in Fairfield, Connecticut, United States

Barnes & Noble Education Campus Bookstore team creates vibrant retail and learning experiences for students. The Student CMO works on digital marketing, brand strategy, and content creation, producing social media posts, planning campus campaigns, and supporting events like author visits.

Product Ventures seeks interns to support design innovation for Fortune 500 CPG clients. Interns will work across departments—industrial, graphic, marketing, prototyping, research, and engineering—to contribute to package and production design projects.

M&T Bank Corporate Summer Internship Program, Marketing. Interns support marketing initiatives, conduct risk and compliance tasks, and contribute to internal control projects while gaining exposure across the bank.

Financial Services team at Northwestern Mutual offers a structured internship to build an integrated financial planning practice. Interns prospect and network to grow client bases, develop business strategies, prepare financial plans, and receive coaching while using proprietary planning software.

Technology Marketer Internship at Cahoot – a disruptive e‑commerce fulfillment startup. The role focuses on evangelizing Cahoot’s peer‑to‑peer shipping platform to online retailers, driving product adoption through targeted digital campaigns, content creation, and influencer outreach.

Cahoot’s MBA Business Strategy & Finance Intern works directly with the CEO and leadership team to build financial models, investor decks, and KPIs that drive rapid scaling. The role focuses on revenue modeling, fundraising strategy, and market opportunity analysis to support the company’s mission of redefining ecommerce fulfillment.

Cahoot seeks a Web Developer / Software Engineering Intern to design, build, and maintain secure, scalable software and infrastructure for its peer‑to‑peer fulfillment network. The role involves implementing Microsoft technologies (C#, ASP.NET, MVC, SQL Server, IIS, AWS) and contributing to deployment, QA, and release engineering in an Agile environment.

Encon Heating & AC’s 4‑week HVAC Internship Program immerses rising seniors in real‑world HVAC work, from troubleshooting and preventive maintenance to residential and commercial installations. Interns shadow technicians, assist with system inspections, and tackle special projects like energy‑efficiency upgrades, gaining hands‑on experience across the full service spectrum.

The Store Executive Intern (Store Leadership Intern) is a paid 40‑hour per week internship that provides a realistic preview of the Executive Team Leader role at Target. Interns will lead a retail team, drive guest experience, manage daily operations, mentor staff, and support business priorities.

Aspire Living & Learning, a non‑profit human services agency, offers an unpaid internship for students to work in approved private special education programs in Stamford, Naugatuck, or Trumbull, CT. Interns provide therapeutic support to children with autism, ADD, ADHD, trauma, etc., collaborate with multidisciplinary staff on IEPs, behavior plans, and case management, attend team meetings, and contribute to school‑wide initiatives. The role requires enrollment in an approved program, strong int

Unilever’s Nutrafol internship offers students a hands‑on experience in formulation science, focusing on hair wellness products. Interns work in the Trumbull, CT lab, managing a major project from concept to data analysis.

An 8‑week full‑time internship for high school graduates and college students at Bright Horizons Trumbull. Interns work under an early childhood educator, assisting with hands‑on activities, participating in classroom sessions, and maintaining a safe, clean environment.

This internship supports the Center’s interdisciplinary team by conducting client assessments, delivering therapy, maintaining records, and participating in treatment planning and professional development activities.

Norwalk Public Schools Education Internship team supports district-wide learning initiatives. Interns assist teachers with classroom activities, lesson planning, and student engagement while gaining hands‑on experience in K‑12 education.

Student Nurse Associate - Day/Eve at Norwalk Hospital Association, part of Northwell Health, supports patient care on a nursing float pool delivering hands‑on clinical assistance. The role performs physical care, point‑of‑care testing, documentation, and safety companion duties while rotating 8‑hour day and evening shifts.

FactSet seeks motivated interns to join its engineering teams across multiple U.S. locations. Interns will own a 12‑week project, collaborate with full‑time engineers, and develop new technologies while building coding and teamwork skills.

Student Teaching Intern at P-Tech High School, Norwalk, CT. The role provides hands‑on classroom instruction experience, supporting a certified teacher with lesson preparation, small‑group instruction, and classroom management while completing reflections for the Teaching Methods course. Up to three days per week on‑site during the Spring semester, with a stipend paid throughout the internship period.

College Financial Representative Internship Program at Northwestern Mutual provides aspiring financial planners with guidance, networking, and a framework to build an integrated financial planning practice. Interns prospect and network to grow client bases, develop business strategies, prepare financial plans using proprietary software, and receive weekly coaching and licensing support.

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.

Norwalk Hospital Association Nursing Float Pool provides essential patient care support across units, ensuring safety and comfort while fostering a collaborative health team environment. The Student Nurse Associate assists with physical care, point‑of‑care testing, documentation, and patient education under supervision, rotating 8‑hour day and evening shifts.