Principal Engineer - IoT Firmware & Systems
Job Title/Designation: Principal Engineer - IoT Firmware & SystemsExperience Range: 10+ Years in Embedded Firmware design and developmentJob Location: Indianapolis, IndianaImmigration Status : H1, Green Card, US CitizenEducation Criteria: Bachelor's or Master's degree in Electronics/EEE/ECE/Computer Science or equivalentJob Function, Roles, and Responsibilities:Architect robust, secure IoT systems while balancing trade-offs between cost, power, and performance.Direct the end-to-end firmware lifecycle, ensuring scalability and design reliability.Lead Over-the-Air (OTA) update strategies for secure post-deployment features.Ensure product adherence to global wireless and security standards (FCC, CE, RED).Translate product requirements into task breakdowns, effort estimations, and execution plans.Manage communication and delivery expectations with cross-functional teams and external partners/vendors.Oversee factory-test firmware and partner with manufacturers on products.Maintain high-quality architecture diagrams, API specs, and internal knowledge bases.Utilize Jira/Agile workflows to track milestones and report technical health to leadership.Conduct technical risk assessments and track to project progress.Technical Expertise:Expertise in C and C++ programming for microprocessor, microcontroller, and SoC architecturesExpertise in bare metal, Deep knowledge of RTOS, device drivers, and multi-threaded application developmentExperience in wireless technologies such as Wi-Fi, BLE, Threads, Matter, and Sub-GHzExperience in networking protocols such as TCP/IP, UDP, Secure MQTT, HTTPS, and Amazon SidewalkExpertise in secure IoT cloud communication and integrationExperience in serial communication interfaces such as RS-485, RS-232, I2C, SPI, and MODBUSExpertise in Bootloader, Secure boot, RAND, ECC, RSA, and Power modes for MCU platformsExperience with debugging tools such as GDB, J-Link, and static code analyzersExperience with various HW platforms bring-up and debugging using DSO, Logic analyzer, and Power profiling toolsProficiency with CI/CD automation tools and workflows, specifically including JenkinsSoft Skills:Ability to weigh technical trade-offs against cost, time, and reliability.Strong problem-solving skills for resolving race conditions, memory leaks, and concurrency issues.Effective at presenting technical status to management and collaborating with cross-functional hardware teams.