Internships in Milford, Connecticut, United States

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.

Carter Mario PC’s Legal Internship program equips law students with hands‑on experience in personal injury litigation. Interns conduct legal research, draft pleadings, attend depositions and court proceedings, and collaborate with senior attorneys to build professional skills.

Software Engineering Intern at BioRender Inc. (Ats) offers a dynamic, hands‑on experience in a fast‑paced, design‑centric environment. The role focuses on building and refining interactive web components that power the company’s flagship illustration platform.

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.

A 10‑week summer internship that blends classroom learning, real‑world projects, and coaching to launch a career in technology sales. Interns gain hands‑on experience with B2B sales, build rapport through outbound calls, and collaborate on targeted campaigns while developing professional skills and networking across the company.

Internship at Pitney Bowes Presort Services in Shelton, CT. Supports UX Research & Data Insights team, coordinating user research, qualitative/quantitative methods, analytics, reporting. Works on shipping, mailing, ecommerce products.

Data Analytics Intern at Pitney Bowes Presort Services. Onsite internship in Shelton, CT for 10 weeks (June 1 – Aug 7).

BHcare Inc. seeks a Clinical Intern for its Children’s Outpatient Clinic, a mission‑driven behavioral health center in Derby, CT. The intern will conduct clinical assessments, lead individual and group psychotherapy sessions, and complete documentation under weekly supervision. The role is on‑site in Derby with occasional travel to North Branford for staff meetings.

Finance Department at Griffin Health supports hospital operations through financial reporting, budgeting, and data analysis. The Finance Intern assists with preparing reports, month‑end activities, accounts payable/receivable, and research projects while collaborating on process improvements.

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.

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.

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.

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

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.

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.

This internship offers hands‑on clinical experience in a busy outpatient setting. Interns conduct assessments, deliver individual and group psychotherapy, and maintain accurate documentation.

Ansonia School District offers a Practicum-Field Work/Student Teacher/Intern Position for aspiring educators to gain hands‑on classroom experience. The role supports teachers in daily instructional activities, lesson planning, and student engagement within the district's schools.

We are seeking PhD students in immunology, cell biology, biophysics, biochemistry, molecular biology, or related disciplines for a 10‑week internship at AstraZeneca’s Rare Disease site in New Haven, CT, from June 1 2026 to August 7 2026. The role involves developing immunogenicity assays for T‑cell activation, benchmarking immunogenicity metrics across in‑vitro, in‑silico, and clinical data, and creating a risk‑assessment decision tree for discovery biologics.

This unpaid internship at Nexstar Media Group provides students with practical exposure to media production and operations. Interns will assist in content creation, research, and administrative tasks, gaining insight into the broadcasting industry while contributing to team projects.