Principal Flight Software Engineer (Spacecraft)

Location: Seattle, Washington, United States

Base salary: $200,000–$240,000 per year, plus equity.

Company

hirify.global develops high-power satellite platforms for commercial and U.S. government missions from low Earth orbit to deep space.

What you will do

• Create software architecture for real-time, fault-tolerant control of spacecraft exceeding 20 kW.
• Develop flight software for propulsion, guidance and attitude control, thermal, power, and communications subsystems.
• Design and implement state machines for robust spacecraft operation.
• Build tools and infrastructure that support rapid deployment, reliable development, and software testing.
• Analyze data and investigate anomalies to identify and resolve software defects.
• Support spacecraft subsystem integration and testing, including software- and hardware-in-the-loop verification.

Requirements

• Bachelor’s degree in computer science, computer engineering, electrical engineering, mathematics, or another STEM discipline, or 10+ years of professional software engineering experience.
• Development experience with Rust, C/C++, Python, VHDL, and SystemVerilog.
• Eligibility to access ITAR-controlled information as a U.S. person or through an applicable federally issued export control license.
• Experience developing reliable software for mission-critical or embedded systems is relevant to the role.

Nice to have

• Spacecraft flight software, Linux systems programming, driver development, or hard real-time embedded systems experience.
• Experience with CI/CD, state machines, software verification, testing, and performance analysis.
• Knowledge of electronics, computer architecture, control systems, and Extended Kalman Filters for inertial sensors.
• Experience with fault-tolerant software design and hardware-in-the-loop or hardware-out-of-the-loop test systems.

Culture & Benefits

• Cross-stack software development spanning guidance, navigation and control, flight applications, embedded systems, operating systems, HDL, and test systems.
• Paid time off, medical, dental, and vision coverage.
• Life insurance and paid parental leave.
• Equity in the company and additional benefits.
• Accommodation support is available during the application or interview process.