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Principal Test Engineer

MKS Instruments
Andover, MA Full Time
POSTED ON 7/31/2026
AVAILABLE BEFORE 8/30/2026
A Day in the Life at MKS:
As a Test Engineer at MKS Andover, you will partner with R&D, Engineering, Product management, Applications, and customers to develop and support vacuum valves.

You Will Make an Impact By:

  • In this role, you will make a meaningful impact by contributing to the design and development of advanced products for Semiconductor Fabrication Equipment.

  • Design and Build test equipment for vacuum valves.

  • Design, execute and document performance and life tests

  • Specify requirements for clean room facilities

  • Specify requirements for high purity cleaning equipment

  • Design, specify, and execute test methods for particle metrology

Skills You Bring:

  • Knowledge and experience of high purity vacuum systems

  • Knowledge and experience with particle metrology for semiconductor processing equipment

  • Knowledge and experience of product testing in an R&D environment

  • BS Engineering Degree or equivalent

  • 8 years experience, preferably with Semiconductor Equipment

  • System Design and integration skills involving mechanical, pneumatic, controls, and Labview

Preferred Skills:

  • Experience Semiconductor manufacturing equipment

  • Experience with valves for high vacuum equipment

  • Experience with on wafer particle metrology

Physical Demands & Working Conditions:

  • Perform activities such as sitting, standing, or typing for extended periods of time

  • Regularly requires good manual dexterity and coordination

  • Occasionally moves/positions objects up to 20 lbs.

  • Operates in a professional office and/or laboratory/manufacturing environment

  • Dedication to safety to mitigate hazards, including handling vacuum systems, mechanical hardware, and associated laboratory equipment

MKS is an equal opportunity employer, including disability, veteran status and all categories protected by law. Please review our EOE statements for additional details. MKS is generally only hiring candidates who reside in states where we are registered to do business.

Compensation and Benefits:

Salary Pay Range: $

Total Base Pay Range 109,750.00 - 182,900.00 per year. This range is a good faith estimate of the expected salary range for this position, based on a wide range of factors including qualifications, experience and training, operational and business needs and other considerations permitted by law.

Bonus: This position is eligible for a discretionary annual bonus, in an amount to be determined by MKS [or as applicable].

Benefits: MKS offers a comprehensive benefits package, including health insurance coverage (medical, dental and vision), 401(k) with company match, life and disability insurance, 12 paid holidays, sick time, 15 paid vacation days, [6 weeks fully paid] parental leave, adoption assistance and tuition reimbursement [and for participation in any stock programs, signing bonus, etc.

Globally, our policy is to recruit individuals from wide and diverse backgrounds. However, certain positions require access to controlled goods and technologies subject to the International Traffic in Arms Regulations (ITAR) or Export Administration Regulations (EAR). Applicants for these positions may need to be "U.S. persons." "U.S. persons" are generally defined as U.S. citizens, noncitizen nationals, lawful permanent residents (or, s), individuals granted asylum, and individuals admitted as refugees.

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.

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

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: .

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

Salary : $109,750 - $182,900

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