Senior Mainframe Developer Salary in the United States

How much does a Senior Mainframe Developer make in the United States?

As of January 01, 2026, the average salary for a Senior Mainframe Developer in the United States is $105,585 per year, which breaks down to an hourly rate of $51.

However, a Senior Mainframe Developer's salary can vary significantly. Here’s a look at the typical salary range:

  • Top Earners (90th percentile): $122,382
  • Majority Range (25th-75th percentile): $97,558 to $114,377
  • Entry-Level (10th percentile): $90,251
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View as table View as graph 25% $97,558 10% $90,251 90% $122,382 75% $114,377 $105,585 50%(Median) Didn’t find job title? Click

Senior Mainframe Developer Salaries by Percentile

Annual
Salary
Monthly
Pay
Weekly
Pay
Hourly
Wage
75th Percentile $114,377 $9,531 $2,200 $55
Average $105,585 $8,799 $2,030 $51
25th Percentile $97,558 $8,130 $1,876 $47
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Key Factors That Influence Senior Mainframe Developer Salaries

A Senior Mainframe Developer'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 Senior Mainframe Developer Salaries?

Experience is a primary driver of a Senior Mainframe Developer'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): $101,309
  • Early Career (1-2 years): $101,914
  • Mid-Level (2-4 years): $103,124
  • Senior-Level (5-8 years): $107,525
  • Expert (over 8 years): $109,852
Levels Salary
Entry Level Senior Mainframe Developer$101,309
Intermediate Level Senior Mainframe Developer$101,914
Senior Level Senior Mainframe Developer$103,124
Specialist Level Senior Mainframe Developer$107,525
Expert Level Senior Mainframe Developer$109,852
$101,309 0 yr
$101,914 < 2 yrs
$103,124 2-4 yrs
$107,525 5-8 yrs
$109,852 > 8 yrs
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What Am I Worth?

Top Paying Cities for Senior Mainframe Developers

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: $133,174
  • San Francisco: $131,865
  • Oakland: $128,940

What Skills Can Increase a Senior Mainframe Developer's Salary?

Demanded Skills for the Role:

  • Analysis (Mentioned in 5.65% Job Postings): Analysis is the process of considering something carefully or using statistical methods in order to understand it or explain it.
  • Computer Science (Mentioned in 2.63% Job Postings): Computer science is the study of computation, automation, and information. Computer science spans theoretical disciplines (such as algorithms, theory of computation, information theory, and automation) to practical disciplines.
  • Job Scheduling (Mentioned in 1.08% Job Postings): Job scheduling is the process where different tasks get executed at pre-determined time or when the right event happens.
See More Skills
Skills Demand Percentage
Analysis 5.65%
Computer Science 2.63%
Job Scheduling 1.08%
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 Senior Mainframe Developer's salary.
  • Risk Management: Can increase your salary by up to 9%.
  • System Design: Can increase your salary by up to 7%.
  • Operating System: Can increase your salary by up to 6%.
Skill Salary Salary % Increase
Risk Management
$115,088
9%
System Design
$112,976
7%
Operating System
$111,920
6%
Communication Skills
$109,808
4%
Innovation
$109,808
4%
Team Development
$109,808
4%
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How Education impacts a Senior Mainframe Developer's Salary?

Your level of education can impact your salary potential. While many Senior Mainframe Developers enter the field with a High School Diploma or Technical Certificate 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 Senior Mainframe Developer with a High School Diploma or Technical Certificate is between $96,065 and $102,049).

Senior Mainframe Developer Salaries by Degree Level

Typical Education for Senior Mainframe Developer
Degree Level % of user with this level of education
No Diploma 9.1%
High School 9.1%
Associates 16.4%
Bachelors 58.2%
Masters 16.4%
Doctorate 0.0%
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Senior Mainframe Developer Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how a Senior Mainframe Developer'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 January 01, 2026

Salary Trends for Senior Mainframe Developer

Salaries for a Senior Mainframe Developer can change over time, reflecting shifts in market demand and the overall economy. The median salary decreased from $119,804 in 2023 to around $117,955 in 2025, reflecting changes in demand, location, experience, and the wider economy. For a detailed analysis of Senior Mainframe Developer salary trends, .

Average Annual Salary of Senior Mainframe Developer Over Time

2022
$???
2023
$119,804
2024
$119,218
2025
$117,955
2026
$???
2027
$???
Year Average Annual Salary
2022
View More
2023 $119,804
2024 $119,218
2025 $117,955
2026
View More
2027
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Most common benefits for Senior Mainframe Developer

Social Security
401(k)
Disability
Healthcare
Pension
Time Off (days)
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Common company salaries for Senior Mainframe Developer

Here are companies hiring for Senior Mainframe Developer 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.)

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