RF Firmware Engineer
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Job Description
RF Firmware Engineer leading embedded C/C++ development for LMI’s mesh-networking platforms serving defense and government customers. Integrating RF transceivers, validating hardware, and supporting secure production deployments.
Responsibilities:
- Lead firmware development for new RF hardware platforms supporting LMI mesh networking products
- Work with external hardware design firms to integrate the Texas Instruments CC1200 transceiver into next-generation hardware designs
- Develop, modify, and maintain embedded firmware for RF transceiver capabilities and radio performance
- Design and implement RF communication protocols, device drivers, and hardware abstraction layers
- Support hardware bring-up, debugging, and validation of prototype and production hardware
- Troubleshoot RF performance issues using spectrum analyzers, oscilloscopes, logic analyzers, and RF test equipment
- Collaborate with hardware, firmware, cybersecurity, and systems engineering teams throughout the product lifecycle
- Support firmware verification, manufacturing test development, and production readiness
- Participate in field testing, customer demonstrations, and deployment activities
- Produce technical documentation for firmware architecture, integration, testing, and manufacturing
- Support design reviews and provide technical guidance on RF system architecture and implementation
Requirements:
- Bachelor’s degree in Electrical Engineering, Computer Engineering, Computer Science, or a related STEM discipline
- 8+ years of embedded firmware development experience using C/C++
- Experience developing firmware for RF transceivers or wireless communication systems
- Experience integrating RF chipsets into embedded hardware platforms
- Strong understanding of SPI, UART, I2C, GPIO, interrupts, and embedded peripherals
- Experience debugging embedded systems using JTAG, oscilloscopes, logic analyzers, and RF test equipment
- Experience working with external hardware vendors and cross-functional engineering teams
- U.S. citizenship with the ability to obtain a Secret security clearance
- Applicants must meet eligibility requirements for a U.S. Government security clearance
- Active Secret or Top Secret security clearance preferred
- Experience with the Texas Instruments CC1200 transceiver or similar sub-GHz RF devices desired
- Experience developing mesh networking or low-power wireless communication systems desired
- Familiarity with BLE, LoRa, 802.15.4, or proprietary RF protocols desired
- Experience supporting DoD or government technology programs desired
- Understanding of secure communications, cryptographic key management, and secure firmware development desired
- Experience supporting manufacturing test and production transitions desired
- Approximately 20–30% travel to customer sites, integration events, hardware design reviews, manufacturing partners, and field testing activities
Benefits:
- Salaried High Fringe/Full-Time
- Equal employment opportunity commitment
- Application-process disability accommodations
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