MBA Summer Intern

Cartesian Systems•Cambridge, MA

3d•Onsite

About The Position

Cartesian is seeking an MBA Summer Intern to join their team at a critical growth phase. This role is hands-on and impact-driven, requiring the ability to learn quickly, think analytically, and navigate ambiguity. The intern will collaborate with the business team on key initiatives in startup operations and strategy, including customer success, market research, marketing, fundraising, go-to-market strategy, and internal operations. The company emphasizes quick movement, ownership, and high-quality work, offering meaningful responsibility and the opportunity to influence product evolution.

Requirements

Be in the process of obtaining an MBA (or a recent alum)
3+ years of experience in consulting, market research, fashion retail, or startups.
Strong problem-solving skills and comfort working in ambiguous, fast-moving environments
Ability to design, execute, and learn from structured analyses or iterative initiatives
Experience creating clear, maintainable, high-quality work (presentations, analyses)
Strong collaboration and communication skills
Curiosity, ownership, and a bias toward action and real-world impact

Nice To Haves

Startup or early-stage company experience
Experience working closely with cross-functional teams
Fluent in Spanish

Responsibilities

Own and drive a project in a critical business area such as early customer success, product requirement definition, market research for emerging products, and operational scaling, from problem definition through execution.
Conduct market, competitive, and customer research; synthesize insights into clear recommendations; and support strategic decision-making with founders and the business team.
Support core business operations such as partnerships, inbound and outbound inquiries, and coordination across go-to-market and operational initiatives.
Help design, improve, or automate business processes/systems that support continuous operations of the company.