Posted August 13, 2026
Turbomachinery Engineer II
CesiumAstro
El Segundo, CA, US
Full Time
108000USD - 129900USD per year
Job Description
Job Description
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 seeking a highly motivated Turbomachinery Engineer II to support the design, development, and testing of next-generation rocket propulsion systems. In this role, you will be responsible for creating and optimizing critical turbopump hardware from initial concept through flight-ready implementation. Working closely with multidisciplinary engineering and manufacturing teams, you will contribute to the rapid development of high-performance propulsion technologies in a fast-paced environment where hands-on problem solving, technical rigor, and continuous innovation are essential to mission success.
JOB DUTIES AND RESPONSIBILITIES- Design and develop a variety of turbopump parts, including cryogenics pumps, turbines and seals. Create models and drawings of parts and assemblies. Perform calculations and analyses with team support.
- Own requirements definition, architecture trades, and system-level integration for assigned subsystems.
- Create schematics and document processes.
- Perform CFD and FEA analyses to evaluate performance parameters such as efficiency, head curves and mechanical integrity under operating conditions.
- Work with manufacturing team to create finished turbomachinery 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.
- Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related field.
- 3+ years of experience in aerospace propulsion systems or related areas.
- Hands-on proficiency in CAD tools (Siemens NX, SolidWorks)
- Demonstrated expertise in structural or mechanical design for flight hardware.
- Experience in early-stage vehicle architecture and design trades.
- Strong analytical and problem-solving skills with high attention to detail.
- Willing to make mistakes, take responsibilities, work independently and be transparent about your work
- Excellent written and verbal communication skills.
- Prior experience designing turbopump parts, including cryogenic pumps, turbines and seals, 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).
- Familiarity with aerospace safety and reliability practices.
CesiumAstro considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate’s work experience, education/training, and key skills. Full-time employment offers include company stock options and a generous benefits package featuring health, dental, vision, HSA, FSA, life and retirement plans.
CesiumAstro is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law.
Please note: CesiumAstro does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to CesiumAstro team members not through our approved vendor list or Talent Acquisition will be considered property of CesiumAstro, and we will not be obligated to pay any referral fees.
CesiumAstro considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate’s work experience, education/training, and key skills. Full-time employment offers include company stock options and a generous benefits package including health, dental, vision, HSA, FSA, life, disability and retirement plans.
CesiumAstro is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law.
Please note: CesiumAstro does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to CesiumAstro team members will be considered property of CesiumAstro, and we will not be obligated to pay any referral fees.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
