Propulsion Engineering Intern

Astro Mechanica•San Francisco, CA
•$40 - $55•Onsite

About The Position

Astro Mechanica is seeking a summer 2027 intern to join its Propulsion Engineering Team in San Francisco. The intern will work alongside full-time engineers on real propulsion hardware and contribute to the configuration and performance of the Duality™ engine. With mentorship from senior engineers, the role provides hands-on experience across the development cycle, from design trades through assembly and testing, following a test-like-you-fly philosophy. The internship is approximately 10–12 weeks and is full-time and in person. The program begins June 7, 2027, for semester schools and June 27, 2027, for quarter schools. Astro Mechanica is a vertically integrated aerospace company developing a scalable technology platform for critical infrastructure, mission operations, and the future of flight. Its team combines generalist engineering work with specialist depth, emphasizing practical execution, collaboration, and engineering excellence. The company values in-office work five days a week to foster collaboration and strengthen its culture.

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 to work in a fast-paced environment.
  • Attentive to detail and committed to a high level of quality in all work.
  • Available for a full-time, in-person internship in San Francisco during Summer 2027, approximately 10–12 weeks.

Nice To Haves

  • Experience with Siemens NX CAD modeling.

Responsibilities

  • Support design trade studies and learn to account for system-level impacts.
  • Complete detailed designs of propulsion components and support structural, thermal, and fluid analyses.
  • Present work in design reviews and gather feedback from stakeholders.
  • Assemble prototypes, design supporting tooling, and help write work instructions.
  • Support hardware testing and analyze data to verify requirements and performance metrics.
  • Help diagnose hardware problems and determine corrective actions.
  • Own a scoped project through the summer and present results to the team at the end of the internship.

Benefits

  • Competitive hourly pay.
  • Hands-on mentorship from experienced engineers.
  • Company-funded perks, including team lunches, game nights, and other activities.
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