onsemi

Semiconductors for intelligent power and sensing

Applications Engineer Intern - IPD

Power Systems EngineeringConfirmed live in the last 24 hours

InternshipBucheon-si, Gyeonggi-do, South KoreaNo salary listedIn-person

About the Job

Requirements

A Master’s degree or higher in Electrical/Electronic Engineering.
English communication skills, both written and verbal.
Basic understanding of silicon and silicon carbide metal-oxide-semiconductor field-effect transistor principles and their role in power electronics.
Basic knowledge of power conversion systems.

Responsibilities

Define development targets and validate performance for new technology silicon and silicon carbide devices through comprehensive testing.
Support design assistance for new and existing products, customer technical support, and preparation of promotional materials related to the product portfolio.
Troubleshoot customer issues, design evaluation boards with user guides, and write application notes.
Design and validate test circuits and printed circuit boards for analyzing new product characteristics.
Work within the Application team to support business unit objectives.
Define and validate specifications for silicon and silicon carbide devices.
Conduct comprehensive experiments to verify product performance.
Design and build customized test circuits and automated test systems for product characterization.
Provide technical support, including design reviews, promotional material preparation, and customer issue troubleshooting.
Develop evaluation boards for target applications.
Prepare and deliver technical collateral, including datasheets, application notes, and user guides.

Desired Qualifications

Experience in the electrical, electronic, or semiconductor industry, particularly in device characterization or application engineering.
In-depth knowledge of power semiconductor devices, including insulated-gate bipolar transistors and silicon carbide metal-oxide-semiconductor field-effect transistors.
Understanding of various topologies and power conversion, including AC/DC and DC/DC.
Understanding of high-power systems such as energy storage systems, photovoltaic systems, and uninterruptible power supplies.
Technical skills in P-Spice, Simetrix, PCB layout using Altium, MATLAB, and Q3D.

The Applications Engineer will be involved in the entire process from new product development to technical support for mass production. The primary responsibility includes defining development targets and validating performance for new technology Si and SiC devices through comprehensive testing.

Proficiency in handling high-voltage power supplies, digital oscilloscopes, electronic loads, and DMMs for power electronics experiments is essential.

This role also supports design assistance for new and existing products, customer technical support, and preparation of promotional materials related to the product portfolio. Technical support includes troubleshooting customer issues, designing evaluation boards with user guides, and writing application notes.

Additionally, the engineer will design and validate test circuits and PCBs for analyzing new product characteristics.

Requirements:

Master’s degree or higher in Electrical/Electronic Engineering
English communication skills (written and verbal)
Basic understanding of Si and SiC MOSFET principles and their role in power electronics
Basic knowledge of power conversion systems

Preferences:

Experience in electrical/electronic/semiconductor industry, particularly in device characterization or application engineering
In-depth knowledge of power semiconductor devices, including IGBT and SiC MOSFET
Understanding of various topologies and power conversion (AC/DC, DC/DC)
Understanding of high-power system (ESS/PV/UPS)
Technical skills: P-Spice, Simetrix, PCB Layout (Altium), MATLAB, and Q3D, etc.

Work within the Application team to support BU objectives
Define and validate specifications for Si and SiC devices
Conduct comprehensive experiments to verify product performance
Design and build customized test circuits and automated test systems for product characterization
Provide technical support including design reviews, promotional material preparation, and customer issue troubleshooting
Develop evaluation boards for target applications
Prepare and deliver technical collateral (datasheets, application notes, user guides)

About the Company

onsemi

Semiconductors for intelligent power and sensing

onsemi designs and manufactures semiconductors with a focus on intelligent power and sensing technologies for automotive and industrial markets. Its products include power management ICs and sensors that regulate energy, monitor conditions, and provide control signals for EVs, ADAS, factory automation, robotics, and energy infrastructure. The company differentiates itself by its specialized emphasis on intelligent power and sensing across both sectors and through its direct OEM relationships and global distributor network. Its goal is to improve energy efficiency and enable smarter, more capable systems for electrification, autonomy, and sustainable energy solutions.

Company size: 10,001+
Company stage: IPO
Headquarters: Scottsdale, AZ
Founded: 1999

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