Cesiumastro
Cesiumastro1mo ago
USD 142000–189500/yr

Principal Flight Software Engineer I

United StatesWestminsterFull-timelead
Software EngineerFlight Software EngineerSoftware Engineering
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Quick Summary

Overview

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,

Technical Tools
Software EngineerFlight Software EngineerSoftware Engineering
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.

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 satellite flight software as well as mission data and operations systems for space missions. 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), and user interfaces with an emphasis on applications and data management. 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.
  • As a technical leader, design and implement software to build and integrate mission systems including satellites, ground stations, and mission operations centers.
  • Architect, design, develop, code, test, debug, and document space system software.
  • Act as a subject matter expert, providing expertise on space software systems throughout CesiumAstro.
  • Review code and system designs.
  • Analyze code for efficiency, stability, and scalability.
  • Integrate and validate new product designs.
  • Provide expert guidance to direct product design.
  • Support software quality assurance and optimize I/O performance.
  • Provide post-production/in-orbit customer support.
  • Interface with hardware design and development engineers.
  • Mentor junior team members.
  • Assess third-party and open-source software.
  • 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 with a Bachelor’s degree, or a minimum of 7 years with a Masters.
  • Experience in developing multiple flight software systems
  • Experience in hands-on development and troubleshooting of software systems and hardware (such as motors, power distribution units, etc.).
  • Programming experience in C or C++.
  • Experience in interfacing a variety of open-source software to create an integrated system.
  • Familiarity with software configuration management tools, defect tracking tools, and peer review.
  • Excellent understanding of multi-threaded applications and resource management.
  • Excellent written and verbal communication skills.
  • Experience with products for aerospace applications.
  • Experience with satellite operations or mission data systems, including COSMOS.
  • Experience with NASA's cFS flight software framework.
  • Adequate knowledge of reading electronics schematics and component data sheets.
  • Experience with ARM processors and fully-featured microcontrollers.
  • Experience in design and development of a Software Development Kit (SDK).

    • Listing Details

    Posted
    March 10, 2026
    First seen
    March 26, 2026
    Last seen
    April 22, 2026

    Posting Health

    Days active
    27
    Repost count
    0
    Trust Level
    41%
    Scored at
    April 22, 2026

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    Cesiumastro
    Cesiumastro
    lever
    Employees
    350
    Founded
    2017
    Domain
    cesiumastro.com
    Jobs
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    CesiumastroPrincipal Flight Software Engineer IUSD 142000–189500
    Apply Now