Senior Embedded Firmware Engineer - Spacecraft Systems

Firefly Aerospace, Inc.; Cedar Park (TX); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Unlimited PTO

3‑month sabbatical every 5 years

Medical, dental, vision insurance

Mental health services

Paid military leave

Relocation benefits

Educational reimbursement

Family/relocation toward Cedar Park

Stock bonuses

Job summary

Firefly Aerospace, Inc. is seeking an experienced embedded firmware engineer to design, develop, and test flight software for our spacecraft. You will work with a team of engineers across hardware and software to deliver reliable firmware for real‑time embedded systems.

The role emphasizes C/C++, Linux, RTOS environments, and close collaboration with hardware teams to optimize power, performance, and memory while ensuring robust integration for space missions.

Qualifications

• Bachelor’s or Master’s degree in a related engineering or computer science field.
• 5+ years of embedded firmware development experience in Linux environments.
• Proven track record delivering embedded firmware in bare‑metal or RTOS environments (e.g., FreeRTOS, Zephyr).
• Strong C/C++ skills for embedded systems; assembly a plus.
• Experience with I2C, SPI, UART, CAN, USB, Ethernet; debugging tools like JTAG/SWD.

Responsibilities

• Design, develop, and test embedded firmware for spacecraft hardware in Linux environments.
• Architect and implement low‑level drivers and system‑level firmware for real‑time applications.
• Collaborate with hardware engineers to ensure robust integration.
• Optimize firmware for power, performance, and memory.
• Participate in code reviews and maintain high‑quality firmware documentation.
• Contribute to FPGA integration or OS builds using Yocto/Buildroot.

Skills

C/C++ programming

Embedded systems

Team collaboration

Problem solving

Education

Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, Computer Science

Tools

Linux

FreeRTOS/Zephyr

I2C

SPI

UART

CAN

Ethernet

USB

Yocto/Buildroot

JTAG/SWD debugging

Job description

Firefly Aerospace, Inc. is seeking an experienced embedded firmware engineer to design, develop, and test flight software for our spacecraft. You will work with a team of engineers across hardware and software to deliver reliable firmware for real‑time embedded systems.

The role emphasizes C/C++, Linux, RTOS environments, and close collaboration with hardware teams to optimize power, performance, and memory while ensuring robust integration for space missions.