1st Assistant Engineer Salary in the United States

How much does a 1st Assistant Engineer make in the United States?

As of May 01, 2026, the average salary for a 1st Assistant Engineer in the United States is $74,972 per year, which breaks down to an hourly rate of $36.

However, a 1st Assistant Engineer's salary can vary significantly. Here’s a look at the typical salary range:

  • Top Earners (90th percentile): $86,621
  • Majority Range (25th-75th percentile): $69,896 to $81,070
  • Entry-Level (10th percentile): $65,274
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View as table View as graph 25% $69,896 10% $65,274 90% $86,621 75% $81,070 $74,972 50%(Median) Didn’t find job title? Click

1st Assistant Engineer Salaries by Percentile

Annual
Salary
Monthly
Pay
Weekly
Pay
Hourly
Wage
75th Percentile $81,070 $6,756 $1,559 $39
Average $74,972 $6,248 $1,442 $36
25th Percentile $69,896 $5,825 $1,344 $34
Check out 1st Assistant Engineer Job Openings in the United States
Assistant Chief Engineer

Sinclair Broadcast Group - Steubenville, OH

Assistant Structural Engineer

Mackin Engineering Co - North Lima, OH

Assistant Bridge Engineer

Board of Stark County Commissioners - Canton, OH

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Key Factors That Influence 1st Assistant Engineer Salaries

A 1st Assistant 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, education and company size can directly affect your earning potential.

How Experience Level Affects 1st Assistant Engineer Salaries?

Experience is a primary driver of a 1st Assistant 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:

  • Entry-Level (less than 1 year): $73,702
  • Early Career (1-2 years): $89,747
  • Mid-Level (2-4 years): $105,189
  • Senior-Level (5-8 years): $123,192
  • Expert (over 8 years): $147,153
Levels Salary
1st Assis... Level 1st Assistant Engineer$73,702
Civil Eng... Level 1st Assistant Engineer$89,747
Civil Eng... Level 1st Assistant Engineer$105,189
Civil Eng... Level 1st Assistant Engineer$123,192
Civil Eng... Level 1st Assistant Engineer$147,153
$73,702 0 yr
$89,747 < 2 yrs
$105,189 2-4 yrs
$123,192 5-8 yrs
$147,153 > 8 yrs
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What Am I Worth?

How Do 1st Assistant Engineer Salaries Vary from State to State?

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 1st Assistant Engineers. For example, consider the average annual salaries in these key locations:

  • District of Columbia: $83,009.
  • California: $82,695.
  • Massachusetts: $81,592.

Top Paying Cities for 1st Assistant Engineers

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:

  • San Jose: $94,563
  • San Francisco: $93,527
  • Oakland: $91,556

What Skills Can Increase a 1st Assistant Engineer's Salary?

Demanded Skills for the Role:

  • Commitment (Mentioned in 5.8% Job Postings): An agreement or pledge to do something in the future a commitment to improve conditions at the prison especially : an engagement to assume a financial obligation at a future date.
  • Equipment Maintenance (Mentioned in 2.69% Job Postings): Keeping business equipment in reliable working order and condition to lessen downtime and assure equipment safety.
  • CPR (Mentioned in 1.6% Job Postings): Cardiopulmonary resuscitation (CPR) combines rescue breathing (mouth-to-mouth) and chest compressions to temporarily pump enough blood to the brain until specialized treatment is available.
See More Skills
Skills Demand Percentage
Commitment 5.8%
Equipment Maintenance 2.69%
CPR 1.6%
What skills can make your compensation higher?
Mastering certain specialized skills can lead to a significant increase in pay. Here are examples of skills and the potential impact they can have on a 1st Assistant Engineer's salary.
  • Process Analysis: Can increase your salary by up to 8%.
  • CPR: Can increase your salary by up to 8%.
  • Analysis: Can increase your salary by up to 6%.
Skill Salary Salary % Increase
Process Analysis
$80,970
8%
CPR
$80,970
8%
Analysis
$79,471
6%
Innovation
$77,222
3%
Installation
$77,222
3%
Oral Communication
$77,222
3%
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How Education impacts a 1st Assistant Engineer's Salary?

Your level of education can impact your salary potential. While many 1st Assistant Engineers enter the field with a Associate's Degree degree, higher education can lead to more specialized and higher-paying roles.

According to our 100% employer-reported salary data, the median salary for a 1st Assistant Engineer with a Associate's Degree is between $73,720 and $78,018).

1st Assistant Engineer Salaries by Degree Level

Typical Education for 1st Assistant Engineer
Degree Level % of user with this level of education
No Diploma 0.2%
High School 0.8%
Associates 2.7%
Bachelors 71.6%
Masters 23.0%
Doctorate 1.6%
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1st Assistant Engineer Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how a 1st Assistant 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.

Last Updated on May 01, 2026

Salary Trends for 1st Assistant Engineer

Salaries for a 1st Assistant Engineer can change over time, reflecting shifts in market demand and the overall economy. The median salary decreased from $74,260 in 2023 to around $72,891 in 2025, reflecting changes in demand, location, experience, and the wider economy. For a detailed analysis of 1st Assistant Engineer salary trends, .

Average Annual Salary of 1st Assistant Engineer Over Time

2022
$???
2023
$74,260
2024
$73,336
2025
$72,891
2026
$???
2027
$???
Year Average Annual Salary
2022
View More
2023 $74,260
2024 $73,336
2025 $72,891
2026
View More
2027
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Most common benefits for 1st Assistant Engineer

Social Security
401(k)
Disability
Healthcare
Pension
Time Off (days)
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Common company salaries for 1st Assistant Engineer

Here are companies hiring for 1st Assistant Engineer and their salaries, click below for more details.

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Where Does Our Salary Data Come From?

Salary.com provides salary estimates, histograms, trends, and comparisons using data from employer job postings and third-party sources.

We offer detailed salary information across multiple percentiles for your reference. (Click here to learn Why the Salary Midpoint Formula Is Crucial for Achieving Pay Equity.)

With the most extensive online, real-time compensation data available, Salary.com helps you pinpoint your exact pay target.

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