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CesiumAstro Tech Stack

Space communications systems and payloads for defense and commercial missions

Defense and Space Manufacturing Austin, Texas 501–1,000 employees Founded 2017 Privately Held

CesiumAstro designs and manufactures RF systems, phased arrays, and satellite payloads for LEO, GEO, airborne, and lunar platforms. The tech stack—Vivado, SystemVerilog, FPGA/ASIC design, DSP, plus mechanical simulation (ANSYS, Thermal Desktop, LS-DYNA)—reflects deep hardware engineering. Hiring is heavily weighted toward senior and principal engineers (210 of 260 roles), indicating a company scaling production and next-generation product lines while managing tight constraints around mass, cost, and reliability across multiple concurrent missions.

Tech Stack 82 technologies

Core StackMATLAB SolidWorks Python Linux Altium Designer SPICE LTspice PLECS Simulink Mathcad ANSYS Q3D CAD ANSYS Thermal Desktop Vivado Questa VHDL SystemVerilog Ethernet MPLS FPGA ASIC Windows Git DVB-S2 DSP C/C++ Cesium Ansys Mechanical LS-DYNA+52 more

What CesiumAstro Is Building

Challenges

  • Increase performance reliability
  • Improving standard processes
  • Meeting performance weight cost targets
  • Reduce mass and cost
  • Company-wide hardware test needs
  • Managing multiple fast paced projects
  • Identifying new business opportunities
  • Improving reliability of space systems
  • Ensuring compliance with emi/emc standards
  • Ensuring compliance with federal regulations

Active Projects

  • Next-generation power electronics hardware
  • Space payloads portfolio
  • Process improvements for component-level ecos review
  • New generation satellite development
  • Linux-based single-board computers
  • Satellite communication terminal development
  • Phased array development for satellites
  • Satellite flight software
  • Roadmap for state-of-the-art components
  • Modem and link verification test software

Hiring Activity

Steady260 roles · 100 in 30d

Department

Engineering
206
Manufacturing
20
Sales
7
Finance
6
Legal
4
HR
3
Product
3
Support
3

Seniority

Senior
128
Principal
82
Mid
22
Manager
10
Junior
6
Director
5
Staff
2
Intern
1

Notable leadership hires: Business Development Director

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About CesiumAstro

CesiumAstro builds communications systems and payload hardware for defense, commercial, and civil space missions. The company manufactures advanced RF modules, software-defined radios, and satellite platforms, with vertically integrated production capability and global offices across the US, UK, Germany, and Japan. Active development spans next-generation power electronics, satellite flight software, phased array systems, and communication terminals. The engineering-led organization is hiring steadily across design, manufacturing, and program management roles.

HeadquartersAustin, Texas
Company Size501–1,000 employees
Founded2017
Hiring MarketsUnited States, United Kingdom, Germany

Frequently Asked Questions

What is CesiumAstro's tech stack?

FPGA/ASIC design (Vivado, SystemVerilog, Questa), RF simulation (SPICE, LTspice), mechanical/thermal (ANSYS, Thermal Desktop, LS-DYNA), and embedded systems (Python, C/C++, Linux). CAD tools include Altium Designer and SolidWorks.

What is CesiumAstro working on?

Next-generation satellite payloads, phased array systems, power electronics hardware, satellite flight software, communication terminals, and Linux-based single-board computers for space platforms.

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