Principal Mechanical Engineer
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
You apply on the employer's own site. Six Figure Work does not handle applications.
- 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 listingPrincipal Mechanical Engineer$101K to $169K
Senior Electronics Engineer - Advanced DevelopmentFrom $101K
Sr. Electronics Engineer$101,675 to $169,475
Senior Optomechanical Packaging Engineer$101,675 to $169,475
Senior Device Electrical Engineer – High-Speed Optoelectronics$101,675 to $169,475
Sr. Mechanical Engineer$101,675 to $169,475
Senior Software Engineer$100K to $160K
Chart as a table
| Role | Published base |
|---|---|
| Principal Mechanical Engineer (this listing) | $101K - $169K |
| Senior Electronics Engineer - Advanced Development | From $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 |
Observed changes
- First observed on the employer's board
- 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.
