Jobs and Careers

Principal Embedded Software Engineer I

United Statesfull_timeVerifiedPosted 9 Jun 2026

About the role

Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State.

At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team.

We are seeking a highly skilled and experienced Principal Embedded Software Engineer I to join our software team. In this position, you will be responsible for low-level and high-level software in CesiumAstro’s products through all phases of the development process. Key projects will include Linux-based single-board computers and high-reliability microcontroller systems. CesiumAstro’s goal is to create an out-of-the-box hardware and software experience which enhances our customers’ ability to rapidly integrate our products into their systems.

As a CesiumAstro software team member, you will be responsible for software designs from concept through production, including product roadmaps, block diagrams, detailed design and coding, analysis, test, qualification, and in-orbit support. The ideal candidate will have development experience at nearly every level of the software stack, including microcontrollers, low-level drivers, board support packages (BSP), end-use applications, and user interfaces. Additionally, the ideal candidate will have experience in software testing and high-reliability qualification, as well as software engineering and software project management practices.

The successful candidate will present engineering design review materials to our customers and executive team, as well as participate in proposal-writing efforts. As such, excellent written and verbal communication skills are required.

JOB DUTIES AND RESPONSIBILITIES

Design and implement software for embedded devices and systems, from requirements to production and commercial deployment.
Design, develop, code, test, debug and document system software.
Review code and system designs.
Analyze code for efficiency, stability and scalability.
Integrate and validate new product designs.
Support software quality assurance and optimize I/O performance.
Provide post-production/in-orbit customer support.
Interface with hardware design and development engineers.
Assess third party and open source software.

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

Bachelor of Science (BS) or Master of Science (MS) degree in Computer Science, Electrical Engineering, or Computer Engineering.
Minimum of 9 years of industry experience in software development.
Experience in hands-on development and troubleshooting of embedded hardware. API design for interfacing with FPGAs.
Extensive programming experience in C and an object oriented programming language, preferably C++.
Experience in embedded systems design with preemptive, multitasking real-time operating systems (experience with real-time Linux is desirable).
Familiarity with software configuration management tools, defect tracking tools, and peer review.
Excellent knowledge of real-time system coding techniques, IP protocols, interfaces, and hardware subsystems.
Excellent understanding of multi-threaded applications and resource management.
Excellent written and verbal communication skills.