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Cesium Astro

Mechanical Engineer II

Austin, TXfull-timemidAdded today

About this role

CesiumAstro seeks a Mechanical Engineer II to design and develop mechanical systems for satellite and aerospace platforms throughout the full product lifecycle. The role combines hands-on CAD work, thermal and structural analysis, and cross-functional collaboration in a dynamic startup environment.

What you'll do

  • Design mechanical components and assemblies for satellites, spacecraft, and aerospace systems from concept through production
  • Conduct thermal, shock, vibration, and finite element analyses to validate designs
  • Develop electronics packaging solutions with attention to EMI/EMC mitigation and thermal management
  • Create technical documentation including requirements, drawings, and GD&T specifications
  • Support manufacturing, testing, and qualification phases with hands-on involvement
  • Present engineering design reviews and technical materials to customers and leadership

What they're looking for

  • CAD software (CATIA, Creo, or SolidWorks)
  • Finite element analysis (FEA) and thermal simulation
  • Mechanical design and analysis (shock, vibration, thermal)
  • Electronics packaging and PCB integration
  • Geometric dimensioning and tolerancing (GD&T)
  • Thermal management and heat transfer principles
  • Technical communication and presentation skills
  • Cost and manufacturing feasibility analysis
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Cesium Astro

Cesium Astro develops advanced hardware and systems for aerospace applications including satellites, UAVs, and rocket propulsion platforms. The company is hiring for specialized engineering roles including FPGA engineers, wire harness designers, turbomachinery engineers, and software project engineers to support its satellite and spacecraft development.

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Likely interview questions

  • Walk us through a satellite or spacecraft mechanical design you led from concept to qualification—what were the key challenges?
  • How have you approached thermal management in electronics packaging, and what tools did you use for thermal analysis?
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