Senior Firmware Engineer

Job Title: Senior Firmware Engineer

Location: Atlanta, GA (Onsite)

Duration: 12+ Months

Client: RHEEM

Pay: $60-65/hr on C2C

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, 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.