Mechanical Engineering Intern - Summer 2026

BAE Systems Electronic Systems sector is hiring Mechanical Engineering Interns for Summer 2026 in Nashua, NH. Interns will support development of electronic warfare and countermeasure systems by performing thermal analysis, structural analysis using ANSYS/NASTRAN, and mechanical packaging design for airborne platforms. Candidates must be rising juniors or seniors in mechanical or aerospace engineering with SolidWorks or Creo experience. US citizenship required due to ITAR program requirements. Paid internship with housing stipend and full-time conversion opportunities.