
Spring 2026: Mechanical Engineering Co-op, Ninja (January through June)
- Needham, MA
- $28.00-37.00 per hour
- Training
- Full-time
- Contribute to the concepting and development of next-gen Ninja products by brainstorming, sketching, and prototyping bold ideas
- Collaborate cross-functionally with engineers, designers, and product managers to explore innovative solutions to real-world consumer challenges
- Build, test, and iterate prototypes and lab rigs while gaining hands-on experience in validating performance, usability, and reliability
- Analyze data from testing and consumer feedback to inform design decisions and optimize product functionality
- Participate in technical deep-dives and design reviews to uncover root causes of challenges and propose creative, practical solutions
- Take ownership of engineering tasks with increasing complexity, gaining exposure to materials, mechanisms, manufacturing, and mass production considerations
- Support design feasibility analysis, CAD modeling, and technical documentation alongside experienced engineers
- Dive into the "why" behind the product, understanding the user journey and driving innovations that surprise and delight
- Learn from failure, move fast, and iterate with purpose as you help bring never-been-done ideas to life at the speed of a startup backed by the muscle of a global brand
- Education: Current student in a related bachelor's or master's program or has graduated from such a program within the past year
- Must be able to work a full-time, 40-hour-per-week schedule with 5 days per week onsite in Needham, MA
- Strong understanding of mechanical engineering/physics fundamentals including thermodynamics, fluid mechanics, and mechanical design.
- Solid analytical skills, attention to detail, and relentless drive to identify potential problems and take responsibility for their resolution.
- Intellectual curiosity and creativity, strong first principles thinking, positive can-do attitude, and proven ability to deliver robust, elegant, and innovative solutions to complex design challenges.
- Willingness to roll up sleeves and dive into hands-on development and testing workstreams.
- Ability to communicate with both technical and non-technical colleagues clearly, effectively, and concisely.
- Comfortable multitasking and responding quickly to shifting priorities without losing sight of longer-term projects.
- passionate about product design & function.
- Exposure to CAD program (ideally SolidWorks or Creo) and/or 3D printing/laser cutting.
- Experience with hands-on prototype development in plastic and metal including using basic machine shop tools.
- Familiarity with electronics (analog/digital), test equipment, and components common in small appliances (sensors, motors, heaters, PCBAs, etc.)
- Can identify, solve, implement and verify technical solutions autonomously and as part of a team.
- “Hands-on” building of prototypes, experimental testing of some sort, either in the workshop or in a science context.
- Experience with Developer kits such as Python, Arduino, Raspberry Pi is desirable.