About The Position

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.

Requirements

  • 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.

Nice To Haves

  • Coursework or experience in sheet metal design and fabrication
  • Coursework or experience in structural analysis and finite element analysis (FEA)
  • Coursework or experience in thermal management and heat transfer
  • Coursework or experience in product design and development
  • Coursework or experience in mechanical testing and instrumentation
  • Coursework or experience in battery energy storage systems
  • Coursework or experience in manufacturing processes and design for manufacturability (DFM)
  • Coursework or experience in Geometric Dimensioning & Tolerancing (GD&T)
  • Coursework or experience in Creo Parametric, SolidWorks, or equivalent CAD software
  • Coursework or experience in ANSYS, Creo Simulation, or equivalent analysis software

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.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service