Onomichi Comet Plasma Control Technologies
To complement our team, we are looking for a customer- and teamoriented individual for our division Plasma Control Technologies at the Yokohama site as a

Field Application Engineer - JPN

For over 75 years, we have been following our curiosity. It drives us and has made Comet a leading Swiss technology company worldwide. Curiosity and the spirit of research have allowed us to become and remain innovative. For a better and sustainable world.

We develop and produce innovative high-tech components and systems based on X-ray and radio-frequency technology. Our developments make an important contribution to safer, more efficient and more sustainable production, mobility and communication.


In the Plasma Control Technologies (PCT) division, we manufacture specialized components that are required for the precise control of plasma processes and are used in the production of memory chips or touch screens for sensors, smartphones or tablets.

What You Will Do


Provide technical expertise to support the integration, optimization, and troubleshooting of RF Matching Networks, RF Generators, and related RF subsystems in semiconductor manufacturing equipment.

Collaborate with customers, R&D, and internal field teams to ensure seamless adoption of RF products in plasma processing applications.
Integrate RF subsystems into semiconductor manufacturing tools.
Perform RF system characterization, impedance matching, and power delivery optimization.
Conduct lab testing, data analysis, and troubleshooting for customer escalations.

What You Bring

Bachelor's or Master's degree in Electrical Engineering, RF Engineering, or related field.
3+ years of experience in RF applications, semiconductor equipment, or related industry.
Hands-on experience with RF Matching Networks, RF Generators, and impedance matching (preferred).
Understanding of Smith charts, S-parameters, and RF circuit design (preferred).

Why join us? Break new ground with us:
Work on innovative solutions for global technical challenges
Benefit from flexible working options
Take part in Comet's success through profit sharing
Work with international colleagues and grow as a team
Enjoy our diverse educational and career opportunities
Enjoy a competitive compensation package with comprehensive benefits including medical, dental, and vision care, tuition reimbursement, a 401(k) plan, and a generous paid-time-off package


We are curious about you and look forward to receiving your complete online application and will be happy to answer any questions you may have.

For this vacancy, we only consider direct applications. Submissions from recruitment agencies will not be considered.

Comet Technologies USA, Inc.

541 E. Trimble Road

San José, CA 95131

United States

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