Question 1

How does the salary as  Principal Mechanical Engineer at MKS Instruments compare with the base salary range for this job?

Accepted Answer

The average salary for Principal Mechanical Engineer is $213,367 per year (estimate) in US, which is 48% higher than the average MKS Instruments salary of $144,453 per year (estimate) for this job.

Question 2

Are Principal Mechanical Engineer professionals at MKS Instruments in US satisfied with their compensation?

Accepted Answer

MKS Instruments employees working as  Principal Mechanical Engineer in US have attributed a compensation and benefits rating of 4 out of 5 stars, based on 1 ratings. This is in line with the average of Principal Mechanical Engineer professionals at MKS Instruments worldwide.

Question 3

What is the salary trajectory of a  Principal Mechanical Engineer?

Accepted Answer

The salary trajectory of a Principal Mechanical Engineer ranges between locations and employers. The salary starts at $115,319 per year (estimate) and goes up to $237,376 per year (estimate) for the highest level of seniority.

Question 4

How much does a Principal Mechanical Engineer make at MKS Instruments?

Accepted Answer

The estimated average salary for a Principal Mechanical Engineer at MKS Instruments is $213,367 per year or $103 per hour, but some professionals have reported earning up to roughly $325,079 per year (90th percentile). The typical pay range is between $172,871 (25th percentile) and $267,217 (75th percentile) annually. This is based on 4 salaries submitted by MKS Instruments Principal Mechanical Engineer professionals on Glassdoor, as of Jul 2026.

Question 5

What is the typical salary for a Principal Mechanical Engineer per hour?

Accepted Answer

Principal Mechanical Engineer professionals typically earn between $83 and $128 per hour.

Question 6

What is the typical salary for a Principal Mechanical Engineer per month?

Accepted Answer

Principal Mechanical Engineer professionals typically earn between $14,406 and $22,268 monthly.

Question 7

What is the pay for job titles similar to Principal Mechanical Engineer at MKS Instruments?

Accepted Answer

Mechanical Engineer - with an estimated total pay of $95K - $128K/yr, Senior Mechanical Engineer - with an estimated total pay of $116K - $155K/yr, Principal Mechanical Engineer - with an estimated total pay of $125K - $168K/yr

MKS Instruments

Total salary range for MKS Instruments Principal Mechanical Engineer

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Pay breakdown

$144K

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