Senior Embedded Firmware Engineer – Space/RTOS

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

Benefits offered by this job

Health, dental & vision plans

Parental leave

Relocation benefits

Educational reimbursement

Short-term disability

Flexible PTO

Job summary

Firefly Aerospace in Cedar Park, Texas seeks an experienced embedded software engineer to design, develop, test, and integrate flight firmware for our spacecraft. You will work with a software team through all stages of spacecraft software development and collaborate with hardware and systems engineers.

The ideal candidate has a Bachelor’s or Master’s in EE/CE/CS, 5+ years of embedded firmware in Linux, and strong C/C++.

Qualifications

• 5+ years of professional embedded firmware development in Linux environments.
• Experience with bare-metal or RTOS (FreeRTOS, Zephyr) firmware.
• Strong C/C++ programming for embedded systems; assembly language a plus.

Responsibilities

• Design, develop, and test embedded firmware for microcontrollers and microprocessors.
• Architect and implement low-level drivers, communication protocols (I2C, SPI, UART, CAN, USB, Ethernet, etc.).
• Collaborate with hardware engineers to define system architecture, debug hardware/firmware interactions, and ensure seamless integration.
• Optimize firmware for power efficiency, performance, and memory constraints in resource-limited embedded systems.
• Participate in code reviews, maintain high-quality code standards, and document firmware designs and processes.
• Contribute to system-level debugging, performance profiling, and validation of embedded systems.
• Optionally, support FPGA integration, including firmware interfacing with FPGA designs, or contribute to custom OS builds using Yocto or Buildroot.

Skills

Embedded firmware

C/C++

Linux environments

RTOS development

I2C/SPI/UART

Education

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

Job description

Firefly Aerospace in Cedar Park, Texas seeks an experienced embedded software engineer to design, develop, test, and integrate flight firmware for our spacecraft. You will work with a software team through all stages of spacecraft software development and collaborate with hardware and systems engineers.

The ideal candidate has a Bachelor’s or Master’s in EE/CE/CS, 5+ years of embedded firmware in Linux, and strong C/C++.