Test Hardware Engineer Intern – Switch Matrix Design

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

Job summary

KB Signaling invites an motivated Test Hardware Engineer Intern to contribute to the design and development of a custom switch matrix for automated production test systems. You will gain hands-on experience with analog/digital circuitry, relays, PCB layouts, and test automation hardware.

You will collaborate with cross-functional engineering teams to deliver a reliable switching architecture for routing measurement signals during manufacturing and validation testing, with opportunities to learn

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.
• Strong analytical and problem-solving skills.
• Ability to work independently while collaborating with a multidisciplinary engineering team.

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 measurement 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

Analog circuit design

Relay and switch matrix architecture

PCB schematic capture

Signal integrity analysis

Hardware debugging

Embedded hardware interfaces

Technical documentation

Education

Bachelor's or Master's degree in Electrical Engineering, Computer Engineering, or related field

Tools

PCB design tools

Job description

KB Signaling invites an motivated Test Hardware Engineer Intern to contribute to the design and development of a custom switch matrix for automated production test systems. You will gain hands-on experience with analog/digital circuitry, relays, PCB layouts, and test automation hardware.

You will collaborate with cross-functional engineering teams to deliver a reliable switching architecture for routing measurement signals during manufacturing and validation testing, with opportunities to learn