IoT Hardware Engineer — Wearables & Industrial Gateways

Rajant Corporation; Morehead (KY); On-site; USD 85,000 - 125,000; 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, balancing power, reliability, performance, and cost while coordinating with firmware, cloud, and mechanical teams.

You will create schematics and PCB layouts, prototype and debug at board and system level, optimize power management, and support certification and mass production.

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 and wireless connectivity.
• Create schematics and PCB layouts for compact wearables and industrial platforms.
• Prototype, bring up, test, and debug hardware at board and system level.
• Design and optimize power management systems including battery and regulators.
• Integrate wireless technologies such as BLE, Wi‑Fi, LTE-M, NB-IoT, LoRa.
• Consider RF, antenna placement, and signal integrity in form factors.
• Support DFM, DFT, reliability, and regulatory certification (FCC, CE, PTCRB, UL).
• Collaborate with firmware, cloud, mechanical, and manufacturing teams.
• Support pilot builds, production ramp, and manufacturing issue resolution.
• Investigate and resolve field failures and reliability issues.
• Document hardware designs, validation plans, and test results.

Skills

Analog design

Digital design

Mixed-signal design

PCB debugging

Power management

Education

Bachelor’s degree in Electrical Engineering or related field

Tools

PCB design tools

Oscilloscope

Logic analyzer

Spectrum analyzer

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, balancing power, reliability, performance, and cost while coordinating with firmware, cloud, and mechanical teams.

You will create schematics and PCB layouts, prototype and debug at board and system level, optimize power management, and support certification and mass production.