Mechanical Engineering Intern - Summer 2026

About Us:

At Intramotev, we are dedicated to revolutionizing the freight industry by liberating tons of freight from congested highways, reducing carbon emissions, and enhancing transportation efficiency. We are deploying self-propelled battery-electric railcars and vehicles to transform freight logistics and bring innovation to our rail network. Based in St. Louis, MO, we are committed to promoting industrial revitalization, saving lives, and minimizing the environmental impact of trucking/transportation. We actively foster a work environment for every teammate that’s welcoming, respectful and inclusive, with great opportunities for professional growth. Find your future with us.

Role Overview:

Intramotev is seeking Mechanical Engineering Internship candidates to join the Mechanical Engineering team to support the development of electric propulsion systems for self-propelled rail vehicles. This full-time, in-office paid position, based in St. Louis, MO, involves working in a dynamic team environment. Due to the research nature of the work, project objectives and requirements are likely to evolve.

Position Responsibilities:

• Executes conceptual and detailed design tasks related to mechanical elements of the powertrain/drivetrain system.
• Contributes to the design and development of powertrain components including electric motors, gearboxes/transmissions, drivetrain suspension, drive couplings, cooling systems, and enclosures.
• Assists in designing and implementing powertrain testing infrastructure, including test stand fixtures and dyno equipment.
• Completes 3D mechanical design using relevant software (e.g., Autodesk Inventor, Fusion).
• Completes 2D drawings.
• Participates in design reviews and peer reviews.
• Collaborates with manufacturing colleagues to ensure Design for Manufacturing (DFM) requirements are met.

Team Dynamics:

• Work within dynamic teams on diverse projects, typically ranging from small (1-2) to medium (3-10) members. 
• Foster excellent interpersonal and communication skills to thrive in a collaborative environment. 
• Adapt to evolving project objectives and requirements, as the work often involves a research nature and prioritized capability enhancements. 

Why Join Us?

• Career Growth: Develop your career with a forward-thinking company dedicated to transforming rail technology.
• Innovative Environment: Contribute to groundbreaking projects that bridge the past and future of rail transport.
• Impactful Work: Be a key player in creating solutions that promote a more sustainable and efficient rail network.

About You:

Basic Qualifications (Required Skills/Experience):

•  Working towards a Bachelor's degree in mechanical engineering, electrical engineering, manufacturing engineering, or a related field. *   This internship is open to students after completing their sophomore or junior years of school, as well as graduate students.
• Previous internship, university research, or extra-curricular experience with electromechanical/multidisciplinary product design.
• Understanding of design for vehicle manufacturing processes.
• Experience with 3D modeling software and GD&T.
• Must be legally authorized to work in the U.S. CPT/OPT is supported.
• Fluent in both written and verbal English.

Preferred Qualifications (Desired Skills/Experience):

Candidate should have a working knowledge of one or (ideally) multiple areas listed below:

• Rail Vehicles / Rail Systems.
• Vehicle Electrification / Powertrain Design / E-Axle Development.
• Electric Vehicle (EV) experience.
• Familiarity with thermal management system design.
• Familiarity with thermal analysis software (e.g., ANSYS, COMSOL) and CAD tools (e.g., AutoCAD).
• Demonstrated experience working on project teams and collaborating with other engineering disciplines.

Typical Education and Experience:

Education/experience typically acquired through advanced technical education (e.g. Bachelor) and typically 1 or more years' related work (internship/cooperative work) or university course projects experience.

Relocation:

This position does not offer relocation.

Equal Opportunity Employer:

Intramotev is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status or other characteristics protected by law.

Schedule:

Full time, based in St. Louis, MO.