Allison Transmission Summer 2026 Engineering Intern

Allison Transmission hires Summer 2026 Engineering Interns at its Indianapolis, Indiana HQ supporting commercial vehicle transmission and electric propulsion development. Interns assist with gear design, controls software testing, durability analysis, and eGen Power electric axle validation. Candidates must be pursuing a BS or MS in Mechanical, Electrical, or Controls Engineering with a 3.0+ GPA. The paid 12-week program ran May 18 to August 7, 2026. Applications closed February 10, 2026. US work authorization required.