Job Description
Job DescriptionEngineer the Connected Future of HVAC as an Embedded Software Engineer
Location: Indianapolis, In | Schedule: Mon to Fri; 9am to 5pm | Payrate: $76/hour
Are you passionate about embedded systems and wireless technologies? PDS Tech Commercial is seeking an Embedded Software Engineer to help develop next-generation connected HVAC products that are smarter, more secure, and more efficient.
In this role, you'll design, develop, and optimize embedded firmware for advanced HVAC systems, collaborating with cross-functional engineering teams to deliver reliable, high-performance solutions from concept through production.
What You'll Do
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Design, develop, and maintain embedded software for ARM Cortex-M-based systems.
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Develop bare-metal and RTOS-based firmware using Embedded C.
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Implement and optimize drivers for peripherals including UART, SPI, I2C, GPIO, DMA, timers, and watchdogs.
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Design bootloaders, firmware update mechanisms, and low-power embedded applications.
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Develop and support wireless communication solutions, including Z-Wave, mesh networking, and proprietary sub-GHz protocols.
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Collaborate with hardware engineers to integrate firmware with embedded hardware platforms.
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Debug, troubleshoot, and validate embedded systems using J-Link, SWD, GDB, and other development tools.
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Contribute to secure firmware design, OTA updates, and product reliability.
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Participate in code reviews, documentation, and continuous improvement initiatives.
What We're Looking For Required Qualifications
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Bachelor's degree in Computer Engineering, Electrical Engineering, Computer Science, or a related field (or equivalent experience)
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Strong experience developing embedded software in Embedded C
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Experience with ARM Cortex-M microcontrollers and bare-metal and/or RTOS-based firmware
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Proficiency with interrupt-driven architectures and embedded peripherals (UART, SPI, I2C, GPIO, DMA, timers, watchdogs)
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Experience developing bootloaders, firmware update systems, and low-power embedded applications
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Experience debugging embedded systems using J-Link, SWD, GDB, or similar tools
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Strong communication skills with the ability to work independently and collaborate with hardware engineering teams
Preferred Qualifications
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Experience with Silicon Labs EFR32, Gecko SDK, Simplicity Studio, or Silicon Labs wireless stack APIs
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Hands-on experience with Z-Wave, proprietary sub-GHz protocols, mesh networking, or low-power wireless sensor networks
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Knowledge of secure boot, firmware signing, encrypted OTA updates, secure pairing, and embedded security best practices
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Experience with modular firmware architecture, state-machine design, Git, CI/CD pipelines, and automated testing
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Familiarity with RF concepts, including antenna performance, RF optimization, EMC/EMI troubleshooting, and wireless certification
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Experience supporting smart home, HVAC, industrial, or connected IoT products
Apply Today
If you're ready to build secure, connected embedded solutions and work on cutting-edge HVAC technology, apply today and take the next step in your engineering career with PDS Tech Commercial.
You should be proficient in:
- Bare-metal and RTOS-based firmware
- DMA, timers, watchdogs, GPIO, UART, SPI, I2C
- Embedded C
- Mesh networking
- OTA firmware updates over wireless
- Wireless Experience
- ARM Cortex-M microcontrollers