Mechanical Engineering Intern - Energy Storage (Summer 2027)

Job Description Position Summary The Mechanical Engineering Intern will support the design, development, testing, and validation of lithium-ion battery energy storage systems used in critical power applications. Working alongside experienced mechanical, electrical, manufacturing, and quality engineers, the intern will gain hands-on experience with battery cabinet design, thermal management systems, structural analysis, prototype development, and product validation testing. The successful candidate will contribute to new product development and sustaining engineering projects while developing practical engineering skills within a fast-paced, cross-functional engineering environment. Key Responsibilities * Assist in the design and development of battery cabinets, mechanical assemblies, and structural components for energy storage products. * Create and modify 3D CAD models, assembly drawings, and engineering documentation. * Support prototype builds and engineering validation testing activities. * Assist with thermal, structural, and vibration analysis of battery energy storage systems. * Participate in design reviews and document action items and engineering recommendations. * Evaluate mechanical components, fasteners, busbar supports, cooling systems, and enclosure hardware. * Collect, organize, and analyze test data from laboratory and field testing activities. * Support root cause investigations and corrective actions related to mechanical design issues. * Work with suppliers and manufacturing teams to support component qualification and design improvements. * Assist in sustaining engineering activities, including evaluation of alternate materials and components. * Support compliance and certification activities associated with industry standards and product safety requirements. * Maintain laboratory safety and follow all company engineering and testing procedures. Required Qualifications * Currently pursuing a Bachelor's degree in Mechanical Engineering, Mechanical Engineering Technology, or a related engineering discipline. * Minimum sophomore standing preferred. * Basic understanding of mechanical design principles and engineering fundamentals. * Experience with 3D CAD software (SolidWorks, Creo, Inventor, or similar). * Strong analytical and problem-solving skills. * Effective written, verbal, and interpersonal communication skills. * Proficiency with Microsoft Office applications, including Excel and PowerPoint. * Ability to work both independently and in a team environment. Preferred Qualifications Coursework or experience in one or more of the following areas: * Sheet metal design and fabrication * Structural analysis and finite element analysis (FEA) * Thermal management and heat transfer * Product design and development * Mechanical testing and instrumentation * Battery energy storage systems * Manufacturing processes and design for manufacturability (DFM) * Geometric Dimensioning & Tolerancing (GD&T) * Creo Parametric, SolidWorks, or equivalent CAD software * ANSYS, Creo Simulation, or equivalent analysis software Physica