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Propulsion / Turbomachinery Engineer II

Design and optimize turbomachinery components for liquid rocket propulsion systems
El Segundo, California, United States
Mid-Level
yesterday
CesiumAstro

CesiumAstro

Specializes in communication payloads and phased array systems for aerospace applications.

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Propulsion / Turbomachinery Engineer II

El Segundo, CA

Engineering – Engineering / Full-time / On-site

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 seeking a skilled Propulsion / Turbomachinery Engineer II with experience in the aerodynamic and mechanical design of radial and axial turbomachinery systems. In this position, you will design, analyze and test critical components for propulsion systems. The ideal candidate will have a strong background in R&D of liquid rocket engines turbomachinery for various applications, combined with practical experience in experimental development and testing of high-performance rotating machinery.

Job Duties And Responsibilities

• Execute CFD analyses (steady, transient, multiphase) to evaluate the performance of turbomachinery components of liquid rocket engine feed system, including compressors, turbines, and pumps.

• Perform structural and thermal FEA to ensure mechanical integrity under operation loads.

• Design aerodynamic flow paths and optimize turbomachinery elements using specialized software tools.

• Support the design, optimization, and development of turbomachinery across propulsion systems.

• Define, document, and maintain system and subsystem requirements.

• Develop CAD models and prepare designs for prototyping and manufacturing.

• Develop test programs, analyze experimental data, and apply results to improve design iterations.

• Provide technical support through all phases of the product lifecycle from concept development through qualification and production.

• Collaborate across multidisciplinary teams including mechanical, aerospace, and controls engineering.

Job Requirements And Minimum Qualifications

• Master's degree in Mechanical or Aerospace Engineering, or related fields.

• Minimum 2 years of industry experience in aerospace propulsion systems.

• Expertise in Ansys CFX, Fluent, and Mechanical for simulation tasks.

• Strong understanding of fluid dynamics, thermodynamics, and heat transfer in rotating machinery.

• Proficiency in CAD (Siemens NX, SolidWorks).

• Excellent written and verbal communication skills.

Preferred Experience

• Prior experience with cryogenic systems, liquid rocket engine turbopumps, or aviation engines.

• Hands-on experience in test bench setups and test article performance diagnostics.

• Knowledge of rotor dynamics and vibration analysis.

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Propulsion / Turbomachinery Engineer II
El Segundo, California, United States
Engineering
About CesiumAstro
Specializes in communication payloads and phased array systems for aerospace applications.