Combustion Devices Engineer II

***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 **Combustion Devices Engineer II** 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.
• 2+ 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.