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Systems Infrastructure Engineer III Salary in Connecticut

How much does a Systems Infrastructure Engineer III make in Connecticut?

As of July 01, 2026, the average salary for a Systems Infrastructure Engineer III in Connecticut is $125,950 per year, which breaks down to an hourly rate of $61.

However, a Systems Infrastructure Engineer III's salary can vary significantly. Here’s a look at the typical salary range:

  • Top Earners (90th percentile): $147,786
  • Majority Range (25th-75th percentile): $116,200 to $137,380
  • Entry-Level (10th percentile): $107,323
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View as table View as graph 25% $116,200 10% $107,323 90% $147,786 75% $137,380 $125,950 50%(Median) Didn’t find job title? Click

Systems Infrastructure Engineer III Salaries by Percentile

Annual
Salary		 Monthly
Pay		 Weekly
Pay		 Hourly
Wage
75th Percentile $137,380 $11,448 $2,642 $66
Average $125,950 $10,496 $2,422 $61
25th Percentile $116,200 $9,683 $2,235 $56
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Key Factors That Influence Systems Infrastructure Engineer III Salaries

A Systems Infrastructure Engineer III'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.

How Experience Level Affects Systems Infrastructure Engineer Salaries?

Experience is a primary driver of a Systems Infrastructure Engineer III'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:

  • Enterprise Systems Engineer I (0-2 years): $88,411
  • Enterprise Systems Engineer II (2-4 years): $108,563
  • Systems Infrastructure Engineer III (4-7 years): $125,944
  • Enterprise Systems Engineer IV (7+ years): $154,152
  • Enterprise Systems Engineer V (7-10 years): $176,630
Job Role Years of Experience Average Salary
Enterprise Systems Engineer I0-2 years$88,411
Enterprise Systems Engineer II2-4 years$108,563
Systems Infrastructure Engineer III4-7 years$125,944
Enterprise Systems Engineer IV7+ years$154,152
Enterprise Systems Engineer V7-10 years$176,630
$88,411 Enterpris...
$108,563 Enterpris...
$125,944 Systems I...
$154,152 Enterpris...
$176,630 Enterpris...
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What Am I Worth?

Top Paying Cities for Systems Infrastructure Engineer IIIs

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:

  • Old Mystic: $123,950
  • Oneco: $123,630
  • Avon: $124,190

Systems Infrastructure Engineer III Salary by Company Size: Startups vs. Enterprise

Systems Infrastructure Engineer III salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $140,874. While startup companies pay approximate $119,137.

Systems Infrastructure Engineer III Salary by Company Size

Company Size Employees Average Salary
Startup1~50$119,137
Growth Stage51~500$126,006
Established501~5000$136,041
Enterprise5000+$140,874

Systems Infrastructure Engineer III Salary by Industry: Top Paying Sectors

For Systems Infrastructure Engineer III roles, the industry you choose can affect earning potential by as much as 60% (the gap between the highest and lowest paying industries). Data shows that the Software & Networking and Energy & Utilities sectors offer the strongest compensation, at 40% above the average. In contrast, Systems Infrastructure Engineer positions in Hospitality & Leisure or Telecom typically offer lower base pay, as these industries often view Systems Infrastructure Engineer III as a support function rather than a direct revenue driver.

The top paying industries for a Systems Infrastructure Engineer III

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Software & Networking$176,330$85.040%
Energy & Utilities$144,842$70.015%
Aerospace & Defense$141,064$68.012%
Insurance$136,026$65.08%
Biotechnology$132,248$64.05%

Systems Infrastructure Engineer III Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how a Systems Infrastructure Engineer III'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.

  • Yearly
  • Monthly
  • Weekly
  • Hourly
  • Table View
Last Updated on July 01, 2026
$116,200
Average $125,950/year
$137,380
$9,683
Average $10,496/month
$11,448
$2,235
Average $2,422/week
$2,642
$56
Average $61/hour
$66
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $137,380 $11,448 $2,642 $66
Average $125,950 $10,496 $2,422 $61
25th Percentile $116,200 $9,683 $2,235 $56

Systems Infrastructure Engineer III Salary Growth & Career Path

Systems Infrastructure Engineer III
Systems Applications Developer IV
Enterprise Applications Developer IV
Enterprise Systems Engineer IV
IT Systems Programmer IV
SVP of Systems Applications Development
ERP Business Systems Integration Manager
Enterprise Systems Engineer V
IT Systems Programmer V

Promotions are the fastest way to increase your earnings. As a Systems Infrastructure Engineer III, you have the following paths for advancement. The table below compares the salary raises for common next-step roles. By comparing these figures, you can choose the career path that best meets your financial goals.

Systems Infrastructure Engineer III Salary Growth and Career Path
Next Step Role Estimate Salary Projected Raise
Systems Applications Developer IV $153,100 22%
Enterprise Applications Developer IV $159,400 27%
Enterprise Systems Engineer IV $154,200 22%
IT Systems Programmer IV $148,000 18%

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