Propulsion Systems Engineer

Los Angeles, California

ABL's Propulsion Systems Engineers develop and operate the fluid systems on the rocket, creating robust machines that just work, from propellant load through to payload deployment.

From propellant loading and management, pressurant, attitude control, and pneumatics to engine systems, the Propulsion Systems Engineer's scope is broad and multi-disciplinary. Good Propulsion System Engineers recognize that their ownership of a system is fully inclusive - they are responsible for dreaming, designing, developing, building, qualifying and flying their hardware.


Define top level engineering requirements to meet business objectives

Identify and trade strategies to meet design requirements and select the right approach

Perform system sizing and analysis using hand calculations, custom scripts and more advanced analysis packages

Execute design work, considering manufacturing and operational constraints

In some instances, engage contractors for additional support

Develop, test and qualify the product

Develop production methodology and support initial builds

Design and build test hardware and production tooling

Near Term Responsibilities
Medium-Term Growth Path
Basic Qualifications any engineering discipline from an accredited university

One of the following experience bases:

  • ‍2+ years of industry experience in a production, integration & test or design role
  • 2+ years of collegiate extracurricular engineering project experience (Rocket Team, Formula SAE etc.)
Preferred Skills and Experience

CAD and FEA systems

Python and an ability to make simple scripts

Aerospace hardware development

Fluid system design and build

Strong understanding of compressible/ incompressible flow and thermodynamics

Pressurized operations

Technical writing

Hardware project management experience where there was a clear deliverable

Writing and executing test procedures for complex hardware operations

Professional or hobby fabrication experience to include, but not limited to:

  • ‍Restoring cars and rebuilding engines
  • Woodworking and construction
  • Composite layup
  • Electronic projects (Arduino, Raspberry Pi etc.)
  • Amateur rocketry
Additional Requirements

The Propulsion Systems Engineer must be willing to travel to launch and test sites to support integration and test work, especially on first-article products.

What We Look For

Beyond technical prowess, ABL focuses on the following candidate characteristics. Tangible examples are the best way to highlight these during the evaluation process.

1. Critical thinking: ABL engineers understand the "why" behind all design decisions, operational events and test outcomes.  

2. Ability to deal with ambiguity: there is no roadmap and ABL engineers must be comfortable defining their own pathway to an objective. 

3. End-to-end ownership: projects are delivered fully complete and ready for flight; there is no one to pick up the slack of partially complete work. 

ITAR Requirement

This position requires access to information protected under US export control laws, including the International Traffic in Arms Regulations and/or the Export Administration Regulations.  As such, US person status (including US citizens, permanent residents, asylees, and refugees) is a required qualification for this position.


We are an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy), sexual orientation, gender identity and/or expression, national origin, protected veteran status, disability, genetics, or citizenship status (when otherwise legally authorized to work and access export-controlled data) and will not be discriminated against on the basis of such characteristics or any other status protected by the laws or regulations in the locations where we operate. We encourage applicants of all ages.

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