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Senior Launch Vehicle Design Engineer I

CesiumAstro

Job Location:

El Segundo, CA - USA

Monthly Salary: Not provided by the employer

Posted: 5 June 2026 (30+ days ago)

Application Deadline: 15 September 2026

Vacancies: 1 Vacancy

Job Summary

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.

AtCesiumAstro 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 Senior Launch Vehicle Design Engineer I to our this role you will work across multidisciplinary engineering teams to solve complex technical challenges drive system-level design trades and ensure mission success through rigorous analysis testing and validation.

JOB DUTIES AND RESPONSIBILITIES

Lead the design analysis and development of primary and secondary launch vehicle structures stage interfaces and payload accommodations.
Perform static and transient structural and thermal analysis of LV components and systems to ensure mechanical integrity under operational loads.
Develop and execute test programs analyze experimental data and apply findings to optimize designs.
Prepare CAD models for FEA analysis and manufacturing.
Generate technical documentation including reports specifications and contributions to PDRs and CDRs.
Collaborate across mechanical aerospace and controls engineering teams to deliver flight-ready systems.
Mentor junior and senior engineers to build technical understanding and professional development.
Participate in mission operations anomaly investigations and continuous improvement initiatives.

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

Bachelors degree in Mechanical Engineering Aerospace Engineering or a related field.
4 years of industry experience in aerospace design and analysis.
Proficiency in CAD tools (SolidWorks NX).
Strong foundation in systems engineering principles requirements flowdown and integration.
Expertise in Ansys tools: Mechanical Explicit Dynamics (LS-Dyna) Linear and Nonlinear Eigenvalue Buckling Harmonic Response and Random Vibrations.
Hands-on experience with hardware development testing and qualification.
Strong analytical and problem-solving skills with close attention to detail.
Excellent written and verbal communication skills.

PREFERRED EXPERIENCE

Masters degree in Mechanical Engineering Aerospace Engineering or a related field.
Prior experience with cryogenic systems liquid rocket systems and LV components.
Hands-on experience designing and improving LV hardware.
Knowledge of manufacturing and technological processes for aerospace parts.
Familiarity with aerospace safety and reliability practices.
Experience in a start-up or rapid development environment.
MATLAB for programming data analysis and optimization.

$140000 - $168000 a year

CesiumAstro considers several factors when extending an offer including but not limited to the role and associated responsibilities a candidates 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 torace 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.

Required Experience:

Senior IC

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