Propulsion Engineering Intern (Aerospace)

Location: San Francisco, United States; full-time, in-person internship in the office five days a week during Summer 2027

Salary: $40–$55 per hour

Company

hirify.global is a vertically integrated aerospace company developing a scalable technology platform for critical infrastructure, mission operations, and the future of flight.

What you will do

• Support propulsion design trade studies and assess system-level impacts.
• Complete detailed designs of propulsion components and support structural, thermal, and fluid analyses.
• Present work in design reviews and incorporate stakeholder feedback.
• Assemble prototypes, design supporting tooling, and help write work instructions.
• Support hardware testing, analyze data, verify requirements and performance metrics, and diagnose hardware problems.
• Own a scoped project through the summer and present the results to the team.

Requirements

• Currently pursuing a Bachelor’s, Master’s, or PhD in Aerospace Engineering, Mechanical Engineering, or a related discipline.
• Club, project, or research-level hands-on experience with fluidic, mechanical, or propulsion systems.
• Experience with solid, surface, and sheet metal CAD modeling; Siemens NX is preferred.
• Exposure to manufacturing processes, precision measurement, and GD&T.
• Coursework or experience in heat transfer, thermodynamics, and turbomachinery.
• Exposure to data acquisition, instrumentation, and power electronics.
• Desire for continuous improvement, flexibility in a fast-paced environment, attention to detail, and commitment to high-quality work.
• Available for a full-time, in-person internship in San Francisco during Summer 2027 for approximately 10–12 weeks.

Culture & Benefits

• Flat, pragmatic engineering culture focused on building reliable, high-performance hardware.
• Hands-on mentorship from experienced engineers.
• Competitive hourly pay.
• Company-funded team lunches, game nights, and other activities.
• In-office work five days a week is considered an essential part of the role.