Cesium Astro
Mechanical Engineer I
About this role
CesiumAstro seeks a Mechanical Engineer I to support hardware development for satellite and aerospace communication systems. You'll contribute to mechanical design across the full product lifecycle—from concept through orbit—working with CAD, simulations, and testing in a dynamic startup environment.
What you'll do
- Support mechanical designs of satellite and aerospace products through concept, detailed design, manufacturing, and testing phases
- Perform thermal management, structural, and environmental analysis using FEA and simulation tools
- Develop electronics packaging designs and ensure proper spacecraft mechanical interfaces
- Apply GD&T principles and precision machining knowledge to optimize manufacturability and cost
- Conduct EMI/EMC mitigation analysis and environmental qualification testing of assemblies
- Prepare and present engineering design review materials to stakeholders
What they're looking for
- Computer-aided design (CAD) and 3D modeling
- Finite element analysis (FEA) and thermal/structural simulation
- Geometric dimensioning and tolerancing (GD&T)
- Thermal management and heat transfer analysis
- Shock and vibration analysis
- EMI/EMC mitigation techniques
- Precision machining principles
- Technical writing and presentation skills
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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.
View all jobs at Cesium AstroLikely interview questions
- Describe your experience with FEA tools—which software have you used and what types of analyses did you perform?
- Walk us through a mechanical design project you worked on from concept to manufacturing or testing.