Intern, Test Hardware Engineer – Switch Matrix Design

KB Signaling; Grain Valley (MO); On-site; USD 43,000 - 44,000; Full time

Job summary

KB Signaling Inc. is seeking a motivated Test Hardware Engineer Intern to support the design and development of a custom switch matrix used in automated production test systems.

The role offers hands‑on experience with analog and digital circuit design, relay and switching technologies, PCB development, and test automation hardware. The intern will work with engineering teams to create a scalable architecture for routing precision signals during manufacturing and validation tests.

Qualifications

• Currently pursuing a Bachelor's or Master's degree in Electrical Engineering, Computer Engineering, or a related field.
• Completed coursework in circuit analysis, electronics, and digital systems.
• Understanding of analog and digital circuit fundamentals.
• Familiarity with schematic capture and PCB design tools.
• Experience using common laboratory test equipment.

Responsibilities

• Design and develop a custom switch matrix subsystem for use in automated production test equipment.
• Evaluate and select switching technologies including electromechanical relays, reed relays, solid‑state relays, multiplexers, and analog switches.
• Create schematics and PCB layouts.
• Develop signal routing architectures for voltage, current, resistance, and communication interface testing.
• Perform circuit simulations and analysis to verify signal integrity, switching performance, leakage current, contact resistance, and isolation specifications.
• Assist with prototype assembly, bring‑up, troubleshooting, and validation testing.
• Design relay driver circuits, protection circuitry, and interface logic for microcontroller or FPGA‑based control systems.
• Conduct bench testing using oscilloscopes, digital multimeters, source measure units (SMUs), LCR meters, and other laboratory equipment.
• Document hardware designs, test procedures, design reviews, and validation results.
• Collaborate with manufacturing and test engineering teams to ensure the switch matrix meets production throughput, reliability, and maintainability requirements.
• Support debugging and root‑cause analysis of prototype and production hardware issues.

Skills

Circuit analysis

Analog/digital design

Instrumentation

Problem solving

Team collaboration

Education

Bachelor's or Master's in Electrical Engineering

Tools

Schematic capture

PCB layout

Job description

KB Signaling Inc. is seeking a motivated Test Hardware Engineer Intern to support the design and development of a custom switch matrix used in automated production test systems.

The role offers hands‑on experience with analog and digital circuit design, relay and switching technologies, PCB development, and test automation hardware. The intern will work with engineering teams to create a scalable architecture for routing precision signals during manufacturing and validation tests.