Internships in Waltham, Massachusetts, United States

The Software Test Engineer Co-op will join a highly effective product quality team, working alongside developers in an Agile environment to develop and execute test cases for a wide range of software components, including user interfaces, algorithms and back-end data handling. This role includes writing and updating test cases, manually executing tests and interacting with a variety of electronic equipment in the lab.

As a Software Development Engineer Co-op, you will join a highly effective development team working in an Agile environment alongside cross-functional partners. You will contribute to the development of a wide range of software applications and components, including user interfaces, algorithms and back-end data handling, using C++ in a Linux operating system environment.

As a Software Development Engineer Intern, you will join a highly effective development team working in an Agile environment alongside cross-functional partners. You will contribute to the development of a wide range of software applications and components, including user interfaces, algorithms and back-end data handling, using C++ in a Linux operating system environment.

The Software Test Engineer Co-op will join a highly effective product quality team, working alongside developers in an Agile environment to develop and execute test cases for a wide range of software components, including user interfaces, algorithms and back-end data handling. This role includes writing and updating test cases, manually executing tests and interacting with a variety of electronic equipment in the lab.

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.

As a Software Development Engineer Intern, you will join a highly effective development team working in an Agile environment alongside cross-functional partners. You will contribute to the development of a wide range of software applications and components, including user interfaces, algorithms and back-end data handling, using C++ in a Linux operating system environment.

As a Software Development Engineer Co-op, you will join a highly effective development team working in an Agile environment alongside cross-functional partners. You will contribute to the development of a wide range of software applications and components, including user interfaces, algorithms and back-end data handling, using C++ in a Linux operating system environment.

Ready to grow your skills while helping shape the future of healthcare? At Sanofi, you'll be empowered to learn, ask questions, and bring your ideas to life – all while supported by inspiring mentors and collaborative teams.

Simpson Gumpertz & Heger (SGH) is seeking current students for a 2027 Summer Civil Engineering Intern in our Waltham office. As a Civil Engineering Intern or Co-op, you will work side-by-side with industry-leading experts in the office and the field to gain hands-on experience while applying classroom knowledge to real-world challenges.

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.

Are you interested in gaining hands-on experience designing large, complex structures? Join Walker Consultants as a Structural Engineering Intern and work alongside experienced engineers, architects, planners, and restoration professionals on projects that make an impact across the built environment.

Ready to grow your skills while helping shape the future of healthcare? At Sanofi, you'll be empowered to learn, ask questions, and bring your ideas to life – all while supported by inspiring mentors and collaborative teams.

Simpson Gumpertz & Heger (SGH) is seeking current students for a 2027 Summer internship in our Waltham, MA office. As an Intern, you will work side-by-side with industry-leading experts in the office and in the field to gain hands-on experience while applying classroom knowledge to real-world challenges.

The intern positions will support the Supply Chain group in strategic planning, long-term supplier selection and negotiations. This position requires the ability to work with procurement, engineering, finance and legal teams and third parties such as suppliers.

Our Alloy Discovery Services (ADS) group is looking for a Protein Science Co-op to join our team in Waltham, Massachusetts. The position will work in our Protein Sciences functional group and is a full-time co-op (32+ hours per week).

As a Software Test Engineer Co-op you will join a highly effective product quality team, working alongside developers in an Agile environment to develop and execute test cases for a wide range of software components, including user interfaces, algorithms and back-end data handling. This role includes writing and updating test cases, manually executing tests and interacting with a variety of electronic equipment in the lab.

As a Software Development Engineer Co-op, you will join a highly effective development team working in an Agile environment alongside cross-functional partners. You will contribute to the development of a wide range of software applications and components, including user interfaces, algorithms and back-end data handling, using C++ in a Linux operating system environment.

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.

Alloy’s In Vitro Pharmacology team collaborates with drug discovery partners to conduct in vitro studies on therapeutic candidates across diverse modalities. Our team delivers comprehensive functional screening and characterization of biologics to support discovery and selection of lead candidates.

Simpson Gumpertz & Heger (SGH) is seeking current students for a Summer 2027 Geotechnical Engineering Internship in our Waltham office. As a Geotechnical Engineering Intern, you will work side-by-side with industry-leading experts in the office and the field to gain hands-on experience while applying classroom knowledge to real-world challenges.