Know your market value with insights across roles — from individual contributors to executive pay and overall company compensation trends.
Access a suite of powerful calculators to make data-driven career decisions.
Automate pay cycles, manage job architectures, and ensure pay equity with AI-powered compensation platforms.
Access validated salary benchmarks, labor market trends, and minimum wage data to stay competitive.
Participate in and purchase industry-specific salary surveys to obtain the most accurate, peer-reported pay data.
As of August 01, 2026, the average salary for a Mechanical Principal Engineer in Maryland is $153,577 per year, which breaks down to an hourly rate of $74.
However, a Mechanical Principal Engineer's salary can vary significantly. Here’s a look at the typical salary range:
Compensation Planning
Develop a Job Description
Pay Equity
2026 Compensation Trend
AI-Powered HR
AI-Powered Talent
Mechanical Principal Engineer Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $161,292 | $13,441 | $3,102 | $78 |
| Average | $153,577 | $12,798 | $2,953 | $74 |
| 25th Percentile | $146,042 | $12,170 | $2,808 | $70 |
NORTHROP GRUMMAN - Annapolis, MD
Harvey Nash - Sparrows Point, MD
Ted Ross Consulting LLC - Gaithersburg, MD
SI Staffing - Rosedale, MD
A Mechanical Principal Engineer's salary isn't a fixed number. It's shaped by several important factors. Below, we'll explore how your years of experience, geographic location and company size can directly affect your earning potential.
Experience is a primary driver of a Mechanical Principal Engineer's salary. As you build your skills and take on more complex tasks, your compensation generally increases. Here’s how the average salary grows at different career stages:
| Levels | Salary |
|---|---|
| Mechanica... Level Mechanical Principal Engineer | $111,599 |
| Mechanica... Level Mechanical Principal Engineer | $132,976 |
| Mechanica... Level Mechanical Principal Engineer | $153,010 |
| Mechanica... Level Mechanical Principal Engineer | $194,672 |
| Mechanica... Level Mechanical Principal Engineer | $104,623 |
What Am I Worth?
Your salary can change significantly depending on where you work. States with a higher cost of living and strong industrial sectors often pay more to attract Mechanical Principal Engineers. For example, consider the average annual salaries in these key locations:
Salaries can also vary between different cities. Major metropolitan areas or cities with a high demand for technicians often offer more competitive pay. Here are a few examples of average annual salaries in different U.S. cities:
For Mechanical Principal Engineer roles, the industry you choose can affect earning potential by as much as 55% (the gap between the highest and lowest paying industries). Data shows that the Financial Services and Internet sectors offer the strongest compensation, at 25% above the average. In contrast, Mechanical Principal Engineer positions in Edu., Gov't. & Nonprofit or Transportation typically offer lower base pay, as these industries often view Mechanical Principal Engineer as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Financial Services | $191,971 | $92.0 | 25% |
| Internet | $184,293 | $89.0 | 20% |
| Biotechnology | $176,614 | $85.0 | 15% |
| Energy & Utilities | $176,614 | $85.0 | 15% |
| Software & Networking | $176,614 | $85.0 | 15% |
Understanding how a Mechanical Principal Engineer's annual salary breaks down can help with budgeting. Below, you can see the average hourly rate, weekly pay, and monthly pay for this role. Use the buttons to switch between different pay periods.
| Annual Salary | Monthly Pay | Weekly Pay | Hourly Wage | |
|---|---|---|---|---|
| 75th Percentile | $161,292 | $13,441 | $3,102 | $78 |
| Average | $153,577 | $12,798 | $2,953 | $74 |
| 25th Percentile | $146,042 | $12,170 | $2,808 | $70 |
Ready to take the next step in your career? Browse thousands of current Mechanical Principal Engineer job openings on our job board. Use the search bar below to find your perfect match.
Eurotech Inc.
Columbia, MD
Eurotech Inc. | Columbia, MD
Mechanical Engineer. Primary Function: Mechanical Engineer is responsible for the full lifecycle of mechanical development of board level and system level ... more
10 Days Ago
Ion Storage Systems
Beltsville, MD
Ion Storage Systems | Beltsville, MD
Job Description. Job Description. ION Storage Systems offers solid-state battery solutions that prioritize performance, safety, and durability. Focusing on... more
7 Days Ago
Raft Company Website
Aberdeen Proving Ground, MD
Raft Company Website | Aberdeen Proving Ground, MD
Job Description. Job Description. This is a U.S. based position. All of the programs we support require. U.S. citizenship to be eligible for employment. Al... more
10 Days Ago
Hazen and Sawyer
Silver Spring, MD
Hazen and Sawyer | Silver Spring, MD
Job Description. Job Description. The desired candidate will have experience in. Serving Design Manager or Project Engineer with full technical responsibil... more
10 Days Ago
Hazen and Sawyer
Silver Spring, MD
Hazen and Sawyer | Silver Spring, MD
Job Description. Job Description. Hazen is seeking a qualified and experienced Principal Engineer/Sr. Principal Engineer for our Silver Spring, MD office. ... more
10 Days Ago
Bowley Jones LLC
Severn, MD
Bowley Jones LLC | Severn, MD
Job Description. Job Description. EIT or Licensed Mechanical Engineer. Bowley Jones LLC is an Architecture & Consulting MEP Engineering firm seeking a lice... more
7 Days Ago
Get a Salary Increase
Analyze the market and your qualifications to negotiate your salary with confidence.
Search Job Openings
Search thousands of open positions to find your next opportunity.
Adjust Employee Salary
Individualize employee pay based on unique job requirements and personal qualifications.
Price My Industry Jobs
Get the latest market price for benchmark jobs and jobs in your industry.
Use Salary.com's Cost of Living Calculator to find out what income you need to maintain your standard of living in a different city and how much more or less money you need to budget for basic expenses.
Explore Cost of Living CalculatorSalary.com experts will help you thrive your workplaces.
Salary.com provides salary survey data for thousands of industry Jobs.
Salary.com salary estimates, histograms, trends, and comparisons are derived from both employer job postings and third-party data sources. We also provide multiple percentiles of salary information for your reference, click here to know Why the Salary Midpoint Formula Is Crucial to Getting Pay Equity Right. With more online, real-time compensation data than any other website, Salary.com helps you determine your exact pay target.
Salary.com's CompAnalyst platform offers:
