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CesiumAstro

Designs satellite communications hardware and software

Staff Mechanical Engineer

Design EngineeringConfirmed live in the last 24 hours
Full-timeWestminster, CO, USA

About the Job

Requirements

  • A Bachelor of Science or Master of Science degree in Mechanical or Aerospace Engineering from an accredited university or institution is required.
  • Eight years of industry experience in design and analysis of electronics packaging, including thermal, vibration, and stress dynamics, is required.
  • Demonstrated expertise in packaging high-power and high-density electronic assemblies is required.
  • A strong understanding of thermal management techniques for spaceborne or high-power electronics is required.
  • Experience designing hardware for launch and spaceflight environments, or similar environments, is required.
  • Expertise in finite element analysis and thermal simulation tools such as Ansys or similar is required.
  • Expert-level proficiency with professional mechanical computer-aided design tools such as SolidWorks or similar is required.
  • Experience with precision machining, advanced manufacturing processes, and tolerance analysis is required.
  • Experience with electromagnetic interference and electromagnetic compatibility mitigation techniques is required.
  • A strong understanding of geometric dimensioning and tolerancing and aerospace drawing practices is required.
  • Excellent written and verbal communication skills are required.

Responsibilities

  • Develop mechanical designs for products throughout all phases of the development process, from initial concept and requirements definition through detailed design, simulation, analysis, manufacturing, testing, qualification, and in-orbit support.
  • Present engineering design review materials to customers and the executive team.
  • Participate in proposal-writing efforts.
  • Serve as a technical and professional mentor in the field.

Desired Qualifications

  • Experience packaging digital, power, or radio frequency printed circuit board assemblies.
  • Experience with spacecraft payloads, avionics, or power systems.
  • Knowledge of NASA, Department of Defense, European Space Agency, or commercial space qualification standards.
  • Experience with thermal vacuum testing and spacecraft environmental qualification.
  • Familiarity with materials selection for radiation and outgassing environments.

About the Company

CesiumAstro

Designs satellite communications hardware and software

CesiumAstro builds end-to-end space and airborne communications systems, combining hardware and software to connect satellites, UAVs, and ground stations. Its products include active phased array antennas, software-defined radios, and complete RF payloads that enable electronically steered links for inter-satellite communication, high-rate downlinks, lunar communications, and 5G/NTN networks. The company ships plug-and-play, commercially manufactured, full-stack systems designed to be flexible and cost-efficient, rather than bespoke one-off solutions. Its goal is to make space-based connectivity more accessible and adaptable across space, air, and ground networks for both government and commercial customers.

Company size
501-1,000
Company stage
Debt Financing
Total funding
$1.6B
Headquarters
Bee Cave, TX
Founded
2017

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