Senior Combustion Devices Engineer I

Cesium Astro · El Segundo, CA

Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State.

At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team.

We are looking to add a Senior Combustion Devices Engineer I to our team. In this role, you will work across the full hardware lifecycle from early concepts and CAD models through manufacturing, test execution, and design iteration.

JOB DUTIES AND RESPONSIBILITIES

  • Design and develop a variety of combustion devices of liquid rocket engine, combustion chambers, pre-burners, igniters.  Create models and drawings of parts and assemblies.  Perform calculations and analyses with team support.
  • Create schematics and document processes.
  • Own requirements definition, architecture trades, and system-level integration for assigned subsystems.
  • Work with manufacturing team to create finished engine parts.  Support parts through 3d-printing, machining, post processing, and inspection. Incorporate feedback to improve design for manufacturing.
  • Develop and execute test programs, analyze experimental data, and apply findings to optimize designs.
  • Collaborate across mechanical, aerospace, and controls engineering teams to deliver flight-ready hardware.

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

  • Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related field.
  • 4+ years of experience with mechanical design, development, fabrication, assembly, or test (internships included)
  • Strong proficiency in CAD tools (Siemens NX, SolidWorks) - the ability to model complex three-dimensional geometry of the combustion chamber cooling channel.
  • Familiarity with aerospace safety and reliability practices.
  • Excellent written and verbal communication skills.
  • Ability to work as a teammate and independently to achieve ambitious goals.

PREFERRED EXPERIENCE

  • Prior experience designing of liquid rocket engine, combustion chambers, pre-burners, igniters or other rocket systems.
  • Practical experience in test bench setup and performance diagnostics.
  • Hands-on engineering (Full-stack: computer to wrench to broom).
  • Geometric dimensioning and tolerancing (GD&T).
  • Experience in a start-up or rapid development environment.
  • Experience with tools such as ANSYS and MATLAB.

Software pay context

Based on 7,487 disclosed Software salaries on RoleSuite, the role pays a median of $158K/year, with most offers between $124K and $200K (10th–90th percentile: $101K–$235K).

This posting lists $140K–$168K, in line with the $158K market median.

See the full Software salary breakdown →
Apply →