Mechanical, Civil & Aerospace Internships in Pennsylvania

69 open mechanical, civil & aerospace internships in pennsylvania from 23 companies, 63 added in the last 7 days. 57% list pay; the median posted rate is $28/hr (middle half: $27–$36/hr). Most openings: Oshkosh (13), Merck (7), AeroVironment (6), Marathon Petroleum (6).1 is remote-friendly.

Updated Oct 19, 2026 from employer career pages · newest posting Oct 16, 2026.