Remote Electrical & Firmware Engineer for DoD IoT

LMI; United States; On-site; USD 92,000 - 158,000; Full time

Job summary

LMI is seeking an Electric/Firmware Engineer to join our hardware team, developing firmware for embedded IoT devices and sensors supporting national defense. You will collaborate across hardware, cloud software, and external partners to ensure secure, reliable operation.

This primarily remote role involves occasional travel to LMI HQ in Tysons, VA and other CONUS locations. Target salary range available. U.S. citizenship and security clearances may be required.

Qualifications

• 5+ years of firmware or electrical design for embedded systems.
• Strong RTOS understanding.
• Embedded Linux development including device drivers and TCP/IP networking.
• Low-power battery-based firmware design.
• Experience with Bluetooth, LoRa, LTE or similar protocols.
• Proven expertise debugging, testing, and validating firmware in hardware environments.

Responsibilities

• Design, develop, test, and optimize firmware for embedded systems, ensuring reliability and efficiency.
• Collaborate with hardware teams to develop firmware solutions tailored to wireless embedded designs.
• Implement firmware control for peripherals such as RF modules, sensors, and communication interfaces like Bluetooth, LoRa, satellites, or LTE.
• Conduct debugging, testing, and refinement of firmware in rugged and mission-critical environments.
• Contribute to field testing and provide firmware updates to ensure hardware performance meets defense-grade standards.
• Work with cross-functional teams to ensure seamless integration between hardware, software, and DevSecOps solutions.
• Maintain firmware revision control and manage versioning across projects.
• Ensure firmware complies with security protocols and certifications such as MIL-STD, FIPS, or FCC.

Skills

C/C++ for embedded

Python

RTOS

Embedded Linux

Low-power design

Bluetooth/LoRa/LTE protocols

Unit testing

Debugging hardware

Education

Bachelor’s degree in Electrical Engineering or Computer Engineering

Advanced degree a plus

Tools

Keil

IAR

Segger

Job description

LMI is seeking an Electric/Firmware Engineer to join our hardware team, developing firmware for embedded IoT devices and sensors supporting national defense. You will collaborate across hardware, cloud software, and external partners to ensure secure, reliable operation.

This primarily remote role involves occasional travel to LMI HQ in Tysons, VA and other CONUS locations. Target salary range available. U.S. citizenship and security clearances may be required.