Wireless Firmware Engineer
Eurth Techtronics Private Limited (company site, opens in a new tab)4+ yrsHyderabadOn-siteDirect career pageEst. 8–16 LPA
Posted 1d ago
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Job description
Structured overview of role & requirements
About This Role
- Develop and maintain LoRa and LoRaWAN protocol stacks and radio drivers for long-range, low-power wireless devices.
- Perform link-budget analysis, run field range and reliability tests, and incorporate results to improve firmware and configuration.
- Implement security features including AES-128 encryption, secure key management, over-the-air updates, and build test infrastructure involving Python and hardware automation.
Minimum Requirements
- 4–5+ years experience in embedded C/C++ development on ARM Cortex-M with RTOS.
- Degree required: BE/B.Tech/M.Tech in Electronics, Communications, Embedded Systems or related field.
- Hands-on experience with wireless protocols such as LoRa/LoRaWAN or similar low-power wide-area technologies with field debugging.
- Technical skills: Proficiency with FreeRTOS/Zephyr, LoRa PHY and MAC layers, AES security protocols, and instrumentation tools like spectrum analyzers and logic analyzers.
Ideal Candidate Profile
- Experienced embedded firmware engineer with in-depth knowledge of low-power wide-area network protocols and radio link engineering.
- Comfortable working closely with principal architects and participating in field trials and physical testing, emphasizing reliability, power efficiency, and security.
- Capable of independently handling complex radio driver development, security implementation, and test automation for connected IoT products.