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CesiumAstro· Posted Aug 30, 2026

Senior Flight Software Engineer

Westminster, COfull timeOn Site

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senior

$133k–$161k

H1B: no

CesiumAstro Senior Flight Software Engineer responsible for CesiumAstro satellite flight software and software-in-the-loop testing through all development stages. Develop software to monitor, test, and control spacecraft subsystems including attitude, command and data handling, navigation, thermal, and power.

Responsibilities

Develop satellite flight software and software-in-the-loop testing
Monitor, test, and control spacecraft subsystems
Design software architecture and block diagrams
Define requirements, implement, review code, and validate software
Identify simplifying solutions to simulate complex problems
Explain key results and decisions to the team
Direct, mentor, and grow a team of spacecraft engineers

Qualification

Required

Experience as a spacecraft software engineer
Motivation to develop space mission software from OS to embedded products
Ability to work in a startup environment

Company

CesiumAstro

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Source: lever

Active within the past hour

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Must-Have Skills for This Role

Embedded softwareSoftware-in-the-loop testingSoftware designCode reviewValidation and verification

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Senior Flight Software Engineer at CesiumAstro · LumiJobs