Propulsion Test Engineering Intern (Mojave - Fall 2026)

Posted 13 Days Ago
Be an Early Applicant
Mojave, CA, USA
In-Office
30-30 Hourly
Internship
Aerospace • Software
The Role
Support design, build, and operation of fluid, mechanical, and electrical test systems for liquid rocket propulsion. Perform test setup, inspections, checkouts, troubleshooting, and collaborate with cross-site teams to rapidly develop flight hardware.
Summary Generated by Built In
As a Propulsion Test Engineering Intern, you will work on all aspects of propulsion test equipment while working closely with a fast-paced, agile team that strives to make a high-performance spacecraft from a clean sheet design.  

Responsibilities
  • Design and build fluid, mechanical and electrical test systems in support of liquid rocket propulsion and spacecraft systems testing 
  • Conduct test operations geared toward rapidly developing hardware for spaceflight 
  • Perform test setup, hardware inspections, checkouts and troubleshooting as needed 
  • Collaborate with wide ranging teams across the company, including teams in Redondo Beach and Mojave. 

Minimum Qualifications
  • Recent completion or working towards Bachelor’s degree in Engineering or Science or related field 
  • Demonstrated ability to take project ownership and work well in a small team  
  • Demonstrated hands-on experience working with fluid or mechanical systems  


Preferred Skills and Experience
  • Working knowledge of components (valves, regulators, sensors, power supplies) and hands-on skills (tube fabrication, metalworking, wiring) 
  • Prior experience working with pneumatic, hydraulic or electromechanical test equipment  
  • Prior experience in propulsion development and/or testing 
Additional Requirements
  • Willing and able to work on-site in Mojave, CA for the duration of the internship  
  • This role may require overtime hours; interns are eligible for overtime pay.
     
Additional Information:
Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan.

To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here.  
Impulse Space is an Equal Opportunity Employer; employment with Impulse Space is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

About
Impulse Space, the in-space transportation company founded by Tom Mueller, is opening access beyond Low Earth Orbit (LEO) with its fleet of in-space transportation vehicles. The high-energy Helios vehicle unlocks orbits beyond LEO with its powerful Deneb engine, dropping off payloads in MEO, GEO, heliocentric, lunar, and other planetary orbits. The flight-proven Mira vehicle uses a nontoxic, high-impulse chemical propulsion system to offer orbital transport, constellation deployment, and precision reentry services to customers throughout LEO. Led by a team that delivered the most reliable rockets in history, Impulse provides economical and efficient in-space transportation by reliably and rapidly getting customers where they want to go.

Skills Required

  • Recent completion of or working towards Bachelor's degree in Engineering, Science, or related field
  • Demonstrated ability to take project ownership and work well in a small team
  • Demonstrated hands-on experience working with fluid or mechanical systems
  • Willing and able to work on-site in Mojave, CA for the duration of the internship
  • Must be a U.S. citizen, lawful permanent resident, protected individual, or eligible to obtain required U.S. Department of State authorizations (ITAR requirement)
  • Working knowledge of components (valves, regulators, sensors, power supplies) and hands-on skills (tube fabrication, metalworking, wiring)
  • Prior experience working with pneumatic, hydraulic or electromechanical test equipment
  • Prior experience in propulsion development and/or testing
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The Company
HQ: El Segundo, CA
82 Employees
Year Founded: 2021

What We Do

Impulse enables low-cost and nimble last-mile space payload delivery - access any orbit, reach other worlds.

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