Embedded Firmware Engineer

CX2 is a next-generation defense technology company founded to deliver spectrum dominance for the United States and our allies. CX2’s AI-enabled hardware and software platforms detect, disrupt and defend the electromagnetic spectrum across land, air, sea and space domains.

We're seeking a highly skilled Embedded Firmware Engineer to write robust, efficient, safety-critical embedded firmware for microprocessors across product lines. You will be an integral part of our team and work collaboratively with both hardware and software engineers. This position will be based at our El Segundo, CA HQ location.

• Develop and maintain application and middleware firmware for STM32 family of architecture across product lines
• Implement drivers for communication stacks such as Ethernet and CAN
• Implement control loops to read sensors, process data, and drive actuators
• Work closely with hardware and test engineers to design robust, scalable, and testable systems
• Implement systems for testing in hardware-in-the-loop (HITL) and software frameworks
• Clearly document firmware architecture and implementation details
• Own firmware implementation on microcontrollers across product lines

• Bachelor's degree in Electrical Engineering, Computer Science, Computer Engineering or related field
• At least 3 years of experience developing embedded C applications
• Experience with communication protocols (I2C, SPI, UART, CAN)
• Low-level knowledge of STM32 architecture including CPU core and memory-mapped peripherals
• Experience using lab equipment such as oscilloscopes, logic analyzers, and power supplies
• Experience debugging issues that span between hardware and firmware
• Ability to work extended hours and/or weekends as needed for mission critical deadlines

• To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Note: Those currently on OPTs and/or H1Bs do not currently qualify for ITAR. Learn more about the ITAR here.

• Experience writing C++, especially for embedded applications
• Deep knowledge of the C standard, how compilers implement assembly/machine code, and how instructions get implemented in a microcontroller
• Experience working with DroneCAN, FreeRTOS, and embedded state machines
• Experience developing and testing radio frequency (RF) systems
• Ability to control test equipment using Python

• Competitive salary, stock options and benefits, including health, vision and dental.
• 401K enrollment at 90 days.
• Generous PTO + most Federal Holidays observed.
• Collaborative and inclusive work environment.
• Access to the latest tools and technologies.
• High levels of responsibility and autonomy.
• Professional growth and development opportunities.
• Access to the hardest problems in electronic warfare.

CX2 is a next-generation defense technology company, headquartered in El Segundo, California. Our mission is to secure spectrum dominance for the United States and our allies, by building AI-enabled hardware and software platforms to detect, disrupt and defend the electromagnetic spectrum across land, air, sea and space. Founded by a team of veteran entrepreneurs, with backgrounds from Meta, SpaceX, Epirus and a16z, we are backed by the leading venture investors in the defense ecosystem.

Equal Opportunity Employer

CX2 is committed to equal employment opportunity. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, disability, veteran status, or any other protected characteristic under federal, state, or local law, including those with a criminal history, in compliance with the CA Fair Chance Initiative for Hiring Ordinance.

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