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Principal mechanical engineer salary

Quoted expert
Michael Rudisill

Average principal mechanical engineer salary

$102,451

$49.26 hourly rate

Entry-level principal mechanical engineer salary
$78,000 yearly salary
Updated January 8, 2025

Understanding Principal Mechanical Engineer Salaries

A Principal Mechanical Engineer plays a vital role in designing and implementing mechanical systems. The average salary for this position is $102,451 annually, translating to around $49 per hour. Salaries can differ based on various factors:

  • Experience Level: Entry-level positions earn less, while those with extensive experience can command higher salaries.
  • Location: States like California and Texas typically offer greater compensation due to demand.
  • Industry: Engineers in aerospace or technology sectors often earn more than those in manufacturing.

To maximize your earning potential, consider exploring job openings in higher-paying states and industries. This detailed overview provides insights into salary variations, helping you make informed decisions about your career path.

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Where can a Principal Mechanical Engineer earn more?

Compare salary by location
Vs
153k
133k
113k
93k
73k
53k
Columbus, OH$129,251
Plymouth, MN$83,070
Compare salary by company
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158k
138k
118k
98k
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Microsoft$144,845
Elbit Systems of America$108,367

Principal mechanical engineer salaries by experience level

Principal mechanical engineer salary estimates from across the web

Based on the latest salary information compiled by Zippia, Glassdoor, Comparably and Payscale, the average salary for a principal mechanical engineer typically falls between $102,451 and $189,673.
zippia
$102,451yearly
glassdoor[1]
$189,673yearly
comparably[2]
$111,014yearly
payscale[3]
$123,233yearly

Average principal mechanical engineer salary by state

The highest-paying states for principal mechanical engineers are New Mexico, California, and Washington. The lowest average principal mechanical engineer salary states are Minnesota, Hawaii, and Florida.

  • State view
  • County view
Average salary:

Highest paying states for principal mechanical engineers

RankStateAvg. salaryHourly rate
1Oregon$117,289$56.39
2Washington$117,385$56.44
3New Mexico$122,209$58.75
4California$119,314$57.36
5Massachusetts$117,298$56.39
6Connecticut$112,161$53.92
7Delaware$112,752$54.21
8Texas$112,690$54.18
9Nevada$109,627$52.71
10Colorado$104,775$50.37
11Idaho$102,534$49.30
12Iowa$104,181$50.09
13District of Columbia$110,951$53.34
14New Hampshire$97,493$46.87
15Michigan$100,387$48.26
16West Virginia$103,246$49.64
17New York$102,935$49.49
18Maryland$101,772$48.93
19Georgia$100,635$48.38
20Arizona$93,955$45.17
21Alaska$102,006$49.04
22Virginia$95,030$45.69
23Louisiana$99,131$47.66
24Kansas$94,161$45.27
25Tennessee$95,756$46.04
26Illinois$93,649$45.02
27North Carolina$91,279$43.88
28South Carolina$94,547$45.46
29Indiana$92,617$44.53
30Wisconsin$90,855$43.68
31Ohio$90,603$43.56
32Rhode Island$95,671$46.00
33Maine$93,984$45.18
34New Jersey$96,129$46.22
35Vermont$87,593$42.11
36Pennsylvania$88,691$42.64
37Wyoming$87,680$42.15
38Montana$85,631$41.17
39Alabama$86,915$41.79
40Oklahoma$90,425$43.47
41Minnesota$83,079$39.94
42Missouri$88,047$42.33
43Kentucky$85,892$41.29
44Utah$84,238$40.50
45Florida$81,813$39.33
46Nebraska$77,593$37.30
47North Dakota$81,372$39.12
48South Dakota$83,924$40.35
49Hawaii$82,251$39.54
50Mississippi$83,429$40.11
51Arkansas$73,077$35.13
Top principal mechanical engineer jobs near you

Highest paying cities for principal mechanical engineers

The highest-paying cities for principal mechanical engineers are San Francisco, CA, Seattle, WA, and Plymouth, MA.

RankCityAvg. salaryHourly rate
1San Francisco, CA$129,251$62.14
2Seattle, WA$118,005$56.73
3Plymouth, MA$117,787$56.63
4Austin, TX$113,551$54.59
5Washington, DC$111,039$53.38
6Lafayette, CO$104,812$50.39
7Baltimore, MD$101,989$49.03
8Atlanta, GA$100,508$48.32
9Farmington Hills, MI$100,500$48.32
10Phoenix, AZ$94,056$45.22
11Chicago, IL$93,837$45.11
12Indianapolis, IN$92,466$44.45
13Cleveland, OH$91,972$44.22
14Menomonee Falls, WI$90,933$43.72
15Philadelphia, PA$89,232$42.90
16Huntsville, AL$86,577$41.62
17Clearfield, UT$83,650$40.22
18Melbourne, FL$83,189$39.99
19Plymouth, MN$83,070$39.94

Principal mechanical engineer salary details

A principal mechanical engineer's salary ranges from $78,000 a year at the 10th percentile to $133,000 at the 90th percentile.

Average principal mechanical engineer salary graph
Average principal mechanical engineer salary graph, trends, and summary

What is a principal mechanical engineer's salary?

PercentileAnnual salaryMonthly salaryHourly rate
90th Percentile$133,000$11,083$64
75th Percentile$117,000$9,750$56
Average$102,451$8,538$49
25th Percentile$89,000$7,417$43
10th Percentile$78,000$6,500$38

Highest paying principal mechanical engineer jobs

The highest paying types of principal mechanical engineers are senior principal engineer, principal engineer, and team lead engineer.

Job titleAnnual salaryMonthly salaryHourly rateJob openings
Engineer$92,076$7,673$44.27618,207
Lead Design Engineer$108,490$9,041$52.16118,073
Staff Engineer$107,530$8,961$51.70277,011
Tool Engineer$101,135$8,428$48.6298,936
Lead Engineer$84,927$7,077$40.83301,777
Design Engineer$77,134$6,428$37.08138,173

How would you rate the starting salaries for principal mechanical engineers, as well as the prospects for salary advancement?

Michael Rudisill

Department Head and Professor of Engineering Technology, Northern Michigan University

From what we've seen, salaries haven't been reduced, even though demand is down. I would expect wages and salary progression to remain strong as the need for engineering will only continue to grow.

Top companies hiring principal mechanical engineers now:

  1. Microsoft jobs (28)
  2. Parsons jobs (6)
  3. Atkins jobs (12)
  4. Western Digital jobs (13)
  5. CyberCoders jobs (7)

Which companies pay principal mechanical engineers the most?

Principal mechanical engineer salaries at Microsoft and The Walt Disney Company are the highest-paying according to our most recent salary estimates. In addition, the average principal mechanical engineer salary at companies like Amazon and GoPro are highly competitive.

RankCompanyAverage salaryHourly rate
1Microsoft$144,845$69.64
2The Walt Disney Company$143,162$68.83
3Amazon$133,597$64.23
4GoPro$125,702$60.43
5TransMedics$119,291$57.35
6Engineering Resource Group$116,576$56.05
7Brooks Automation$115,877$55.71
8SMUD$115,579$55.57
9Atkins$114,896$55.24
10ASML Holding$114,774$55.18
11Randstad North America, Inc.$113,165$54.41
12Western Digital$112,751$54.21
13Kelly Services$112,418$54.05
14QuantumScape$112,233$53.96
15CyberCoders$112,125$53.91
16Occidental Petroleum$111,384$53.55
17Edmund Optics$110,020$52.89
18DRS$109,529$52.66
19Gulf Interstate Engineering$108,817$52.32
20Elbit Systems of America$108,367$52.10

Wage gap by gender, race and education

$103,000$102,400$101,800$101,200$100,600$100,000
MaleFemale

Principal Mechanical Engineer salary by industry

The average principal mechanical engineer salary varies across industries:

  • The average principal mechanical engineer salary in the professional industry is $111,820, the highest of any industry.
  • The average principal mechanical engineer salary in the finance industry is $104,895.
  • Principal mechanical engineers in the technology industry earn an average salary of $95,566, the lowest of any industry.

Highest paying industries for principal mechanical engineers

RankIndustryAverage salaryHourly rate
1Professional$111,820$53.76
2Manufacturing$104,895$50.43
3Retail$104,855$50.41
4Technology$95,566$45.95

High paying principal mechanical engineer jobs

Principal mechanical engineer salary trends

The average principal mechanical engineer salary has risen by $12,420 over the last ten years. In 2014, the average principal mechanical engineer earned $90,031 annually, but today, they earn $102,451 a year. That works out to a 7% change in pay for principal mechanical engineers over the last decade.

Compare principal mechanical engineer salaries for cities or states with the national average over time.

Average principal mechanical engineer salary over time

Compare principal mechanical engineer salaries for individual cities or states with the national average.

Principal mechanical engineer salary by year

YearAvg. salaryHourly rate% Change
2025$102,000$49.26+1.9%
2024$100,000$48.31+1.2%
2023$99,300$47.73+1.7%
2022$97,600$46.92+2.0%
2021$95,700$45.99+0.7%

Recently added principal mechanical engineer salaries

CompanyJobLocationDate addedSalary
BloomenergyPrincipal Mechanical EngineerSan Jose, CA06/30/2025$151,700
Ttm TechnologiesPrincipal Mechanical EngineerFarmingdale, NY06/29/2025$140,909
Northrop GrummanSentinel-Principal Mechanical EngineerRoy, UT06/28/2025$86,600
Northrop GrummanPrincipal/Mechanical Engineer-Tactical Space SystemsGilbert, AZ06/28/2025$95,300
CVR Energy Inc.Principal Engr-Mechanical-En0260East Dubuque, IL06/27/2025$127,500
Gannett FlemingPrincipal Mechanical EngineerDenver, CO06/27/2025$170,000
Sandia CorporationSenior/Principal Mechanical Engineer-Ballistic Missile Tester Development, OnsiteAlbuquerque, NM06/27/2025$114,000
Linvatec CorporationPrincipal Mechanical Engineer, Foot & AnkleMemphis, TN06/27/2025$130,654
Magic LeapPrincipal Opto-Mechanical EngineerBoulder, CO06/26/2025$180,000
TTM Technologies, Inc.Principal Mechanical EngineerFarmingdale, NY06/26/2025$140,909

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