Senior Embedded Firmware Test Engineer

Korea Gyeonggi-do April 27, 2026 Full Time

A Day in Your Life at MKS:
As a Senior Embedded Firmware Test Engineer at MKS Inc., you will partner with Research & Development, Product Development Engineering and Applications Engineering to develop firmware regression testing systems or software to further our firmware quality goals. In this role, you will report directly to Software Development Manager in Korea and for technical matters to SQA SW Manager in the U.S.

You Will Make an Impact By:

  • Working with a team to design, implement, troubleshoot, debug, and support embedded firmware test suites involving test automation software and interfacing to electronic test equipment for RF systems for plasma control.

  • Coaching Junior Engineers on test equipment interfacing and measurement and testing techniques.

  • Analyzing test failures to determine root cause and corrective action.

  • Building, testing and troubleshooting test system hardware.

  • Conducting tests on RF systems for plasma control and analyze resulting test data.

  • Producing design documentation.

  • Interfacing with internal customers to determine and develop specifications.

  • Participating in test automation design reviews and recommend improvements.

  • Supporting test automation for new technology development initiatives and other critical projects.

  • Analyzing and troubleshooting application issues.

  • Learning and implementing AI based tools for quality analysis.


Travel Requirements:

  • Travel to Rochester, NY in the United States. approximately 2 times per year.

  • Shortly after hire, the initial travel to Rochester, NY in the United States. will be one month for training.


Skills You Bring:

  • Requires a Bachelor of Science degree in Electrical or Computer Engineering or equivalent experience

  • 5+ years of related experience

  • A solid understanding of python

  • Experience with regression test platforms

  • A working knowledge of Jenkins or similar CI/CD workflows with experience designing those workflows.

  • Ability to read electrical schematics and apply that to testing and troubleshooting digital and analog electronics.

  • Experience with test equipment like oscilloscopes, digital multimeters

  • Mechanical Aptitude

  • Interest or experience in machine learning or other AI techniques

  • Good Communication Skills in both Korean and English


Preferred Skills:

  • Ability to interact with computers using the Linux operating system

  • Experience with coding for embedded microcontrollers/microprocessors


Physical Demands and Working Conditions:

  • Will need to be able to lift light loads overhead

  • May be required to work in close proximity to high voltage power sources

  • Must be able to remain in a stationary position for 25% of the time

  • Constantly operates a computer and other office productivity machinery

  • This job operates in a professional office and industrial laboratory environment

  • This is primarily an in-office (not remote) position

#LI-DNI

Globally, our policy is to recruit individuals from wide and diverse backgrounds. However, certain positions require access to controlled goods and technologies subject to various export control regulations.  Applicants for these positions may be limited (by, for example, their countries of citizenship, country of origin, or immigration status) where required by law or governmental contact, and/or employment made contingent upon the issuance of appropriate governmental licensing.

MKS Inc. and its affiliates and subsidiaries (“MKS”) is an affirmative action and equal opportunity employer: diverse candidates are encouraged to apply. We win as a team and are committed to recruiting and hiring qualified applicants regardless of race, color, national origin, sex (including pregnancy and pregnancy-related conditions), religion, age, ancestry, physical or mental disability or handicap, marital status, membership in the uniformed services, veteran status, sexual orientation, gender identity or expression, genetic information, or any other category protected by applicable law. Hiring decisions are based on merit, qualifications and business needs. We conduct background checks and drug screens, in accordance with applicable law and company policies.  MKS is generally only hiring candidates who reside in states where we are registered to do business.

MKS is committed to working with and providing reasonable accommodations to qualified individuals with disabilities. If you need a reasonable accommodation during the application or interview process due to a disability, please contact us at: [email protected] .

If applying for a specific job, please include the requisition number (ex: RXXXX), the title and location of the role

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