IoT Hardware Engineer: Wearables & Industrial Gateways

Rajant-Corporation-; Morehead (KY); On-site; USD 85,000 - 110,000; Full time

Job summary

Rajant Health Incorporated is seeking a Hardware Engineer to design, develop, and support connected devices from battery-powered wearables to industrial IoT gateways. You will work on end-to-end hardware development, balancing power, reliability, and cost, while collaborating with firmware, cloud, and mechanical teams to deliver production-ready IoT products.

The role requires a strong foundation in analog, digital, and mixed-signal design, hands-on experience with IoT devices, and a proven

Qualifications

• Bachelor’s degree in Electrical Engineering, Computer Engineering, or related field.
• 3–6 years of professional hardware engineering experience.
• Strong foundation in analog, digital, and mixed-signal design.
• Hands-on experience with IoT devices, wearables, or industrial embedded systems.
• Experience designing battery-powered products and/or always-on industrial systems.
• Proficiency with PCB schematic capture and layout tools.
• Strong lab skills (oscilloscope, logic analyzer, spectrum analyzer, multimeter).
• Ability to debug power, RF, and system-level issues.

Responsibilities

• Design and develop IoT hardware for battery-powered wearables and industrial gateways.
• Architect MCU- and SoC-based systems integrating sensors, wireless connectivity, and peripherals.
• Create schematics and PCB layouts for compact, low-power wearable devices and robust industrial platforms.
• Prototype, bring up, test, and debug hardware at board and system level.
• Design and optimize power management systems (battery selection, charging, protection, regulators, sleep states).
• Integrate and support wireless technologies such as BLE, Wi-Fi, LTE-M, NB-IoT, and LoRa.
• Consider RF, antenna placement, and signal integrity in both wearable and industrial form factors.
• Support DFM, DFT, reliability, and regulatory certification (FCC, CE, PTCRB, UL as applicable).
• Collaborate cross-functionally with firmware, cloud, mechanical, and manufacturing teams.
• Support pilot builds, production ramp, and ongoing manufacturing issues.
• Investigate and resolve field failures and reliability issues.
• Document hardware designs, validation plans, and test results.

Skills

Analog design

Digital design

Mixed-signal design

IoT hardware

PCB layout tools

Power management

RF debugging

Documentation

Cross-functional collaboration

Education

Bachelor’s degree in Electrical Engineering, Computer Engineering, or related field

Tools

Oscilloscope

Logic analyzer

Spectrum analyzer

Multimeter

PCB design tools

Job description

Rajant Health Incorporated is seeking a Hardware Engineer to design, develop, and support connected devices from battery-powered wearables to industrial IoT gateways. You will work on end-to-end hardware development, balancing power, reliability, and cost, while collaborating with firmware, cloud, and mechanical teams to deliver production-ready IoT products.

The role requires a strong foundation in analog, digital, and mixed-signal design, hands-on experience with IoT devices, and a proven