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Principal Materials Scientist

MKS Inc
Andover, MA Full Time
POSTED ON 7/24/2026 CLOSED ON 8/8/2026

What are the responsibilities and job description for the Principal Materials Scientist position at MKS Inc?

A Day in the Life at MKS:
As aPrincipalMaterialsScientistat MKSAndover, you will partner withR&D, Engineering, Product management, Applications, and customers to develop and support vacuum valves.

Key areas of responsibility will be:

  • low particle vacuum seal technology

  • metallurgical and metal fatigue analysis

  • surface treatment and coatings for low particle performance

  • On Wafer Particle metrology and analysis

For this role, candidates must be U.S. Citizens, as the position requires citizenship eligibility.


You Will Make an Impact By:

  • In this role, you will make a meaningful impact by contributing to the design and developmentvacuum valves

  • Analyze, specify, and design bonded seal technology

  • Analyze wear mechanisms offluoroelastomerandperfluoroelastomerseals

  • Develop and work with external partners

  • Analyze mechanisms for particle generation

  • Develop and apply metrology to evaluate particle performance


Skills You Bring:

  • Knowledge andexpertise with low particle, high vacuum seals

  • MSor PhD degree inMaterials Science, ora related physics or engineering field

  • 8 years experience, preferably with Semiconductor Equipment

  • Knowledge of Analytical techniques (SEM, FTIR, EDX)

  • Knowledge of Materials Science and metallurgy


Preferred Skills:

  • Experience with Semiconductor Fabrication Equipment

Physical Demands & Working Conditions:
* Must be able to remain in a stationary position for 90% of the time
* Constantly operates a computer and other office productivity machinery
* Occasionally moves/positions up to 20lbs pounds
* This job operates in a professional office and laboratory environment

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: $ 126,200.00 - 210,350.00 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, green card holders), 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:accommodationsatMKS@mksinst.com.

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

 

Salary : $126,200 - $210,350

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