Six Figure Work

Principal Mechanical Engineer

MKS

Company websitemks.com (MKS, opens in new tab)

Base salary $101K  to $169K

Employer-published annual base salary, USD. Advertised base range in Andover, MA

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  • LocationAndover, MA
  • WorkplaceWorkplace not stated
  • Status at last checkSource accepting applications when checked
  • Last checked (1 h ago) · observed since

About this job

A Day in the Life at MKS: 
As a Principal Mechanical 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:

  • Designs and analyzes mechanical systems, equipment and packaging pertaining to gas flow control and measurement 

  • Initiates & Conducts feasibility studies and testing on new and modified designs  

  • May direct support personnel in the preparation of detailed design, design testing and prototype fabrication, thus this candidate is responsible to embrace the “Learn Before You Lead” principle 

Skills You Bring:

  • Bachelor’s Degree in Mechanical Engineering is required.  

  • 8+ years of experiences or equivalent combination of education and experiences with flow 

  • Working knowledge or at least an understanding of gas dynamic principles  

  • E.g. Ideal Gas Law, Continuity Equation, Bernoulli’s Principle, Shock Waves and Compressibility 

  • Experience being the lead design engineer though a full phase-gate product development from Concept & Feasibility to Release to Sales.  This is inclusive of: 

  • Working with Marketing on Specification development 

  • Test Plan generation to validate specifications / new functions (focus on Risk Up Front) 

  • Cost analysis (inclusive of working with Supply Chain to get quotes) 

  • Prototype development (MVP) 

  • Initiating & Leading design reviews 

  • Overseeing product structuring / mechanical drawings 

  • Working with Production to flesh out Manufacturing plan 

  • Working with Reliability (DFMEA, DFX, Life Testing, Qualification) 

  • Submission of deliverables / reports to Project Manager 

  • Experience communicating complex topics to a range of technical audiences (in person or remote) 

  • Ability to work in a fast paced, customer-first, environment 

  • Customer-first means priorities can change quickly  

  • Candidate must be able to shift primary focus while keeping a secondary focus on existing work 

Preferred Skills:

  • Master's Degree in Engieering is preferred.  

    Physical Demands and Working Conditions: 

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

    • Ability to lift up to 25 lbs. 

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

    • Dedication to safety to mitigate hazards that may include handling mechanical and electrical hardware, high voltage, gas, water and heat 

    Salary Pay Range: $101,000 - $169,000 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.

    Benefits: MKS offers a comprehensive benefits package, including health insurance coverage (medical, dental, and vision), a 401(k) plan with company match, life and disability insurance, 12 paid holidays, sick time, 15 paid vacation days, fully paid parental leave, adoption assistance, and tuition reimbursement. We also provide opportunities for career growth and development within a collaborative and innovative environment.

    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: [email protected] .

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

    Source: MKS on Workday · View original posting (opens in new tab)

    Pay in context

    This role's base floor ($101,000) is above 5% of the 225 Engineering (non-software) roles in Massachusetts listed on this site; 6 others list the same floor. Their median floor is $132,000; the middle half runs from $117,000 to $147,000.

    Only jobs on this site count, and each one publishes a base salary of $100,000 or more, so this compares six-figure jobs with each other, not with the whole market. Computed Nov 7, 2026.

    This range next to 6 other live MKS roles with the nearest advertised base floor
    Chart as a table
    This range next to 6 other live MKS roles with the nearest advertised base floor
    RolePublished base
    Principal Mechanical Engineer (this listing)$101K - $169K
    Senior Electronics Engineer - Advanced DevelopmentFrom $101K
    Sr. Electronics Engineer$101,675 - $169,475
    Senior Optomechanical Packaging Engineer$101,675 - $169,475
    Senior Device Electrical Engineer – High-Speed Optoelectronics$101,675 - $169,475
    Sr. Mechanical Engineer$101,675 - $169,475
    Senior Software Engineer$100K - $160K

    Same $100K to $400K scale as every card. All MKS roles · How to read the bar

    Observed changes

    1. First observed on the employer's board
    2. Began meeting the published-salary criteria
    Observed since
    Employer-stated posting date
    2026-08-31
    Where this pay comes from

    Location as the employer wrote it: Andover, MA

    Salary Pay Range: $101,000 - $169,000 per year. This range is a good faith estimate of the expect

    Method
    Employer text, read with fixed rules and re-verified
    Checked
    Rule set
    us-base-v2

    The pay passage appears in the employer's own job text. Fixed, deterministic rules located it, and the passage below was checked against the stored copy of the posting.

    What we verified

    • The pay figures come from the employer's own listing, quoted exactly above.
    • The pay is an annual base salary in US dollars with a minimum of at least $100,000.
    • The role was publicly listed on the employer's job board when last checked.

    We do not verify what the employer will actually offer, whether the employer is still recruiting for the role, or anything beyond what the employer published. Full methodology.