Flight Software Engineer

Constellation Space; Seattle (WA); On-site; USD 85,000 - 110,000; Full time

Job summary

Constellation Space in Seattle is looking for a Flight Software Engineer to design and implement highly reliable, real-time embedded systems for their spacecraft and flight vehicles. Responsibilities include developing mission-critical flight software, implementing GNC algorithms, and performing validation through Hardware-in-the-Loop testing.

The ideal candidate holds a B.S. in Computer Science or related fields and possesses exceptional programming skills in C and C++. Familiarity with Real-Time Operating Systems and embedded Linux is essential.

Qualifications

• Exceptional programming skills in modern C and C++.
• Extensive experience with RTOS and embedded Linux.
• Familiarity with hardware communication protocols (I2C, SPI, CAN, RS-422).

Responsibilities

• Develop, test, and deploy mission-critical flight software in C/C++.
• Implement guidance, navigation, and control (GNC) algorithms on embedded hardware.
• Perform Hardware-in-the-Loop (HITL) testing to validate software.

Skills

C/C++ programming

Real-Time Operating Systems (RTOS)

Embedded Linux

Low-level debugging

Education

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

Job description

The Role

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.

Responsibilities

• Develop, test, and deploy mission‑critical flight software in C/C++.
• Implement guidance, navigation, and control (GNC) algorithms on embedded hardware.
• Perform Hardware‑in‑the‑Loop (HITL) testing to validate software under simulated flight conditions.
• Collaborate with hardware engineers to define system architecture and interfaces.

Requirements

• B.S. in Computer Science, Computer Engineering, Aerospace Engineering, or similar.
• Exceptional programming skills in modern C and C++.
• Extensive experience with Real‑Time Operating Systems (RTOS) and embedded Linux.
• Familiarity with hardware communication protocols (I2C, SPI, CAN, RS‑422) and low‑level debugging.