Internships in Waltham, Massachusetts, United States

BerryDunn seeks an Outsourced Accounting Intern to support client engagements across diverse industries including healthcare and technology. The role involves performing month-end closes, processing general ledger entries, and preparing financial statements under the guidance of senior staff.

BerryDunn seeks an Outsourced Accounting Intern to support client engagements across diverse industries including healthcare and technology. The role involves performing financial statement compilations, general ledger processing, and month-end closes under the guidance of experienced staff.

National Center for Systemic Improvement (NCSI) at American Institutes for Research supports state education agencies to improve outcomes for students with disabilities through technical assistance and evidence‑based practices. As a part‑time Research Intern you will synthesize research, develop tools and presentations, and contribute to a culminating project while participating in professional learning and mentorship.

Institute for Behavioral Health seeks an Undergraduate Research Assistant to support the Exploring Community Knowledge study. The intern will collect survey data in the field and remotely, assist with data quality control, and conduct qualitative and quantitative analysis using SPSS, R, Stata, and Dedoose.

BerryDunn’s Tax team offers a Spring 2027 internship in Waltham, MA, focused on empowering client growth through tax and advisory services. Interns prepare trial balances and various federal tax returns under close supervision while receiving extensive training on firm software and procedures.

Energy & Sustainability Department at The RMR Group supports Energy Star, LEED, and building benchmarking initiatives. The intern collects, cleans, and validates energy and water data, uses Python, R, and Power BI to analyze performance with AI/ML models, and helps develop dashboards and sustainability reports.

Pascal is developing solid refrigerant technologies to cool a warming world. This internship supports the design, fabrication, and validation of core components for commercial-scale prototypes through hands-on testing and CAD modeling.

Pascal is developing solid refrigerant technologies to cool a warming world. This internship supports the design, fabrication, and validation of core components for commercial-scale prototypes through hands-on testing and CAD modeling.

Medtronic Engineering Internship program works to develop innovative medical technologies that improve patient outcomes. Interns support research & development, operations, or quality engineering projects, applying design, testing, data analysis, and documentation skills.

VEG offers a hands‑on externship for veterinary technology students to gain real‑world emergency medicine experience, mentorship from seasoned professionals, and a pathway to future employment within the organization.

Columbia Construction Internship Program provides hands‑on experience in construction project teams, supporting daily tasks, schedules, and safety culture. Interns assist project teams with punch lists, lookahead schedules, bid documents, and collaborate with internal and external partners across office and site environments.

Videography and Multimedia Production team at 617MediaGroup creates impactful video content for social justice campaigns. The A/V Intern documents public events, edits high-quality videos, and manages project files while collaborating with production and account staff.

The Optical & Quantum Communications Group develops advanced laser communications technology for terrestrial, space, and underwater applications, including single-photon detector arrays, coherent modems, integrated photonic circuits, and novel modulation and coding approaches. As a student intern, you will participate in research impacting space, airborne, or terrestrial laser communications systems, with potential projects spanning coherent modems, integrated photonics, FPGA development for poi

Bioanalytics Systems and Technologies Group at MIT Lincoln Laboratory drives analytics on massive biological datasets to support national security, chemical/biological defense, and health initiatives. The IT Co-op assists with installing, updating, troubleshooting, and documenting software across Windows, macOS, and Linux environments while contributing to workflow tools and vulnerability management projects.

Airborne Radar Systems and Techniques group at MIT Lincoln Laboratory prototypes radar and imaging sensors for wide-area surveillance and matures detection algorithms. As a Summer Intern and Teaching Assistant you will support the BWSI UAS‑SAR course, guide students, enhance course materials, and contribute to radar data analysis projects.

Eliot Community Human Services, a nonprofit behavioral health agency, provides mission-driven services across diverse communities. The Clinical Intern will deliver one‑on‑one client care, facilitate groups, and assist with risk and treatment planning under supervision, working 16‑24 hours per week.

Mechanical Engineering Group at MIT Lincoln Laboratory develops advanced mechanical solutions for national security technologies. As a CAD Design Specialist Co-op, you will create and update 3D SolidWorks models, produce detailed drawings, and support prototype development while collaborating with engineers and procurement.

Artificial Intelligence Technology and Systems Group at MIT Lincoln Laboratory develops cutting‑edge AI/ML solutions for national security, focusing on multimedia analysis, cyber defense, and AI assurance. As a Co‑Op, you will apply Python or R to build and evaluate machine learning models, contribute to data analysis, and support integration with intelligence analysts and cyber operators.

Global Sourcing Team at Formlabs builds the supplier network that provides critical materials for 3D printers. The intern works with engineers and suppliers to develop cost, quality and resilience strategies, assist supply chain planning for new product rollouts, and conduct market analysis for sourcing insights.

Sales Enablement Team at Formlabs builds tools that empower creators to bring ideas to life through 3D printing. The intern supports showroom and print production, handling printer maintenance, SLA/SLS printing, part layout, slicing, post‑processing, and space upkeep while identifying improvements.