What are the responsibilities and job description for the Senior Firmware Engineer position at ACL Digital?
Job Title: Senior Firmware Engineer
Location: Atlanta, GA (Onsite)
Duration: 12 Months
NOTE: Need candidates from home appliance companies that manufacture smart devices
Job Description:
- 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 architectures
- Expertise in bare metal, Deep knowledge of RTOS, device drivers, and multi-threaded application development
- Experience in wireless technologies such as Wi-Fi, BLE, Threads, Matter, and Sub-GHz
- Experience in networking protocols such as TCP/IP, UDP, Secure MQTT, HTTPS, and Amazon Sidewalk
- Expertise in secure IoT cloud communication and integration
- Experience in serial communication interfaces such as RS-485, RS-232, I2C, SPI, and MODBUS
- Expertise in Bootloader, Secure boot, RAND, ECC, RSA, and Power modes for MCU platforms
- Experience with debugging tools such as GDB, J-Link, and static code analyzers
- Experience with various HW platforms bring-up and debugging using DSO, Logic analyzer, and Power profiling tools
- Proficiency with CI/CD automation tools and workflows, specifically including Jenkins
Soft 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.