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Posted 22 July, 2026

Flight Software Engineer

Constellation Space
Seattle, WA, US Full Time

Job Description

The Role

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Constellation's Flight Software team writes the code that actually flies the hardware. We are looking for a Flight Software Engineer to design and implement the highly reliable, real-time embedded systems that control our spacecraft and flight vehicles.

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Responsibilities

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    Develop, test, and deploy mission-critical flight software in C/C++.

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    Implement guidance, navigation, and control (GNC) algorithms on embedded hardware.

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    Perform Hardware-in-the-Loop (HITL) testing to validate software under simulated flight conditions.

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    Collaborate with hardware engineers to define system architecture and interfaces.

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Requirements

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    B.S. in Computer Science, Computer Engineering, Aerospace Engineering, or similar.

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    Exceptional programming skills in modern C and C++.

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    Extensive experience with Real-Time Operating Systems (RTOS) and embedded Linux.

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    Familiarity with hardware communication protocols (I2C, SPI, CAN, RS-422) and low-level debugging.

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