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Salary
$140k – $168k per year
Location
In office (El Segundo)
Seniority
Senior · 4+ years exp
Employment
Full-Time
Overview
Company
Impact
Profile match
CesiumAstro is an American company founded in Austin in 2017 that builds active phased array communications payloads for satellites, aircraft and defence platforms. Its systems are software-defined and electronically steered, which lets a moving platform track several links at once without mechanical antennas, and the company manufactures them in house rather than integrating third-party subsystems. It sells mainly to defence customers and satellite operators, has raised venture funding from investors including Airbus Ventures and Lightspeed, and operates facilities in Austin, Colorado and the United Kingdom.

We are seeking a Senior Launch Vehicle Design Engineer I to our team. In 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

    • Bachelor’s 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

    • Master’s 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.
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