Embedded Software Engineer, CesiumAstro
$118-142k
+ Equity
Office located in El Segundo, CA
Aerospace communication systems
Be an early applicant
Aerospace communication systems
201-500 employees
Be an early applicant
$118-142k
+ Equity
Office located in El Segundo, CA
201-500 employees
Company mission
To deliver advanced communication capabilities for a diverse set of applications at compelling performance and cost.
Role
Who you are
- Bachelor’s or Master’s degree in Computer Science, Electrical Engineering, Computer Engineering, or related field
- 2+ years of professional experience in embedded software development
- Proficiency in C or C++ for embedded systems
- Experience developing and debugging software on embedded hardware (e.g., power systems, motors, sensors)
- Understanding of multi-threaded programming and resource-constrained environments
- Familiarity with version control, issue tracking, and peer review workflows
- Strong verbal and written communication skills
Desirable
- Practical experience with Embedded Linux and the Yocto Project
- Experience with Xilinx SoCs or other microcontroller-based systems
- Proficiency with bootloaders, kernel development, and system bring-up
- Familiarity with CI/CD tools and practices in embedded environments
- Ability to manage multiple priorities and work independently in a fast-paced environment
What the job involves
- CesiumAstro is seeking an experienced Embedded Software Engineer II with a strong background in embedded Linux development and the Yocto build system
- This role is ideal for engineers with hands-on experience in embedded systems, including device drivers, kernel customization, bootloaders, and board bring-up, with a preference for experience with the Xilinx platform (experience with other platforms is also valued)
- As a member of our software team, you will contribute to the full software development lifecycle, from product concept through production, participating in architecture design, implementation, testing, qualification, and in-orbit support
- This role involves working closely with hardware, systems, and FPGA engineers, and provides opportunities for technical leadership and cross-disciplinary collaboration
- Develop and port embedded Linux applications, device drivers, and libraries
- Configure, customize, and integrate the Linux kernel and embedded bootloaders (e.g., U-Boot)
- Maintain and evolve the Yocto-based Linux build system within a CI/CD pipeline
- Package and deploy software images for diverse embedded hardware platforms
- Create tailored Linux distributions for specific embedded applications
- Collaborate across disciplines (firmware, hardware, systems) to ensure seamless system integration and performance
- Participate in design reviews and contribute to customer-facing technical documentation and proposals
Our take
CesiumAstro is a startup specializing in phased array communications for aerospace applications. It manufactures antennas that support in-flight connectivity and satellite communications, addressing the significant data transfer needs of AI and autonomous vehicles.
This type of communication support is vital nowadays, when the transfer of massive amounts of data is mission-critical. The company's first antenna flew in 2023 as part of a payload for defense contractor CACI International. CesiumAstro also secured a lucrative subcontract with RocketLab to provide antennas for the Space Development Agency.
CesiumAstro has secured immense funding over the years, including a record $200 million in government financing in 2026. This investment continues to support the company's growth, R&D and manufacturing goals. It comes alongside an expansion of operations which sees CesiumAstro supporting national security.
Freddie
Company Specialist at Welcome to the Jungle
Company
Funding (last 2 of 6 rounds)
Feb 2026
$270m
SERIES C
Mar 2025
$55m
GRANT
Total funding: $464.2m
Company benefits
- Health, dental, vision
- HSA and FSA
- Life, disability and retirement plans
- Company stock options
Company HQ
Bee Cave, TX
Leadership
Shey Sabripour
(CEO & Founder)Served as the Director of Spacecraft Design at Lockheed Martin for over 23 years. They also served as the CTO at Firefly Aerospace before founding CesiumAstro.
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