Embedded Firmware Engineer - Connected HVAC & Wireless

PDS Tech Commercial, Inc.; Indianapolis (IN); On-site; USD 83,000 - 103,000; Full time

Benefits offered by this job

Medical benefits

Dental benefits

Vision benefits

Job summary

PDS Tech Commercial, Inc. is seeking an Embedded Software Engineer to design, develop, and optimize firmware for ARM Cortex-M based HVAC systems in Indianapolis. You will own tasks from concept through production and collaborate with hardware engineers.

The role emphasizes RTOS/bare-metal firmware, peripherals, bootloaders, OTA updates, and secure wireless features (Z-Wave, sub-GHz). Expect hands-on debugging with J-Link, SWD, and GDB, plus code reviews and documentation.

Qualifications

• Bachelor's degree in Computer Engineering, Electrical Engineering, Computer Science, or a related field (or equivalent experience)
• Strong experience developing embedded software in Embedded C
• Experience with ARM Cortex-M microcontrollers and bare-metal and/or RTOS-based firmware
• Proficiency with interrupt-driven architectures and embedded peripherals (UART, SPI, I2C, GPIO, DMA, timers, watchdogs)
• Experience developing bootloaders, firmware update systems, and low-power embedded applications
• Experience debugging embedded systems using J-Link, SWD, GDB, or similar tools
• Strong communication skills with the ability to work independently and collaborate with hardware engineering teams

Responsibilities

• Design, develop, and maintain embedded software for ARM Cortex-M-based systems.
• Develop bare-metal and RTOS-based firmware using Embedded C.
• Implement and optimize drivers for peripherals including UART, SPI, I2C, GPIO, DMA, timers, and watchdogs.
• Design bootloaders, firmware update mechanisms, and low-power embedded applications.
• Develop and support wireless communication solutions, including Z-Wave, mesh networking, and proprietary sub-GHz protocols.
• Collaborate with hardware engineers to integrate firmware with embedded hardware platforms.
• Debug, troubleshoot, and validate embedded systems using J-Link, SWD, GDB, and other development tools.
• Contribute to secure firmware design, OTA updates, and product reliability.
• Participate in code reviews, documentation, and continuous improvement initiatives.

Skills

Embedded C

ARM Cortex-M

Interrupt-driven architectures

Strong communication

Education

Bachelor's degree in Computer/EE/CS or related

Tools

J-Link

SWD

GDB

Gecko SDK

Simplicity Studio

Job description

PDS Tech Commercial, Inc. is seeking an Embedded Software Engineer to design, develop, and optimize firmware for ARM Cortex-M based HVAC systems in Indianapolis. You will own tasks from concept through production and collaborate with hardware engineers.

The role emphasizes RTOS/bare-metal firmware, peripherals, bootloaders, OTA updates, and secure wireless features (Z-Wave, sub-GHz). Expect hands-on debugging with J-Link, SWD, and GDB, plus code reviews and documentation.