Assistant Systems Engineer Salary in Illinois

How much does an Assistant Systems Engineer make in Illinois? As of August 01, 2026, the average salary for an Assistant Systems Engineer in Illinois is $63,926 per year, which breaks down to an hourly rate of $31.

However, an Assistant Systems Engineer's salary can vary significantly. Here's a look at the typical salary range:

  • Top Earners (90th percentile): $78,341
  • Majority Range (25th-75th percentile): $56,873 to $71,472
  • Entry-Level (10th percentile): $50,452

Key Factors That Influence Assistant Systems Engineer Salaries

An Assistant Systems 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.

How Experience Level Affects Assistant Systems Engineer Salaries?

Experience is a primary driver of an Assistant Systems 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): $59,893
  • Early Career (1-2 years): $60,117
  • Mid-Level (2-4 years): $62,878
  • Senior-Level (5-8 years): $65,813
  • Expert (over 8 years): $66,022
Job RoleYears of ExperienceAverage Salary
Entry Level Assistant Systems Engineer less than 1 year $59,893
Early Career Level Assistant Systems Engineer 1-2 years $60,117
Mid-Level Level Assistant Systems Engineer 2-4 years $62,878
Senior-Level Level Assistant Systems Engineer 5-8 years $65,813
Expert Level Assistant Systems Engineer over 8 years $66,022

Top Paying Cities for Assistant Systems Engineer

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:

  • Effingham: $58,927
  • Saint Peter: $58,846
  • Salem: $59,070

Assistant Systems Engineer Salary by Industry: Top Paying Sectors

For Assistant Systems Engineer roles, the industry you choose can affect earning potential by as much as 95% (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, Assistant Systems Engineer positions in Telecom or Insurance typically offer lower base pay, as these industries often view Assistant Systems Engineer as a support function rather than a direct revenue driver.

The top paying industries for an Assistant Systems Engineer

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Software & Networking $89,497 $43.0 40%
Energy & Utilities $76,712 $37.0 20%
MFG Durable $73,515 $35.0 15%
Financial Services $70,319 $34.0 10%
Edu., Gov't. & Nonprofit $67,123 $32.0 5%

Assistant Systems Engineer Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how an Assistant Systems 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.

  • Yearly
  • Monthly
  • Weekly
  • Hourly
  • Table View
Last Updated on August 01, 2026
$56,873
Average $63,926/year
$71,472
$4,739
Average $5,327/month
$5,956
$1,094
Average $1,229/week
$1,374
$27
Average $31/hour
$34
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $71,472 $5,956 $1,374 $34
Average $63,926 $5,327 $1,229 $31
25th Percentile $56,873 $4,739 $1,094 $27

Find Your Next Assistant Systems Engineer Job

Ready to take the next step in your career? Browse thousands of current Assistant Systems Engineer job openings on our job board. Use the search bar below to find your perfect match.

  • Lessen | Chicago, IL

    Lessen | Chicago, IL

    Job Description. Job Description. Lessen is the tech-enabled, end-to-end property service provider that is transforming how commercial and residential real... more

    5 Days Ago

  • Motorola Solutions | Elgin, IL

    Motorola Solutions | Elgin, IL

    Company Overview At Motorola Solutions, we believe that everything starts with our people. We’re a global close-knit community, united by the relentless pu... more

    7 Days Ago

  • Diversified Services Network, Inc. | Mossville, IL

    Diversified Services Network, Inc. | Mossville, IL

    Job Description. Job Description. Diversified Services Network, Inc. (DSN) is seeking a full-time. Systems Engineer (Autonomous Machines). to join our team... more

    8 Days Ago

  • Contact Government Services, LLC | Chicago, IL

    Contact Government Services, LLC | Chicago, IL

    Job Description. Job Description. CommVault Systems Engineer (Data Protection / Backup). Employment Type: Full-Time, Experienced. Department: Technology Su... more

    5 Days Ago

  • Kranze Technology Solutions, Inc | Des Plaines, IL

    Kranze Technology Solutions, Inc | Des Plaines, IL

    Description: KTS develops complex, cutting-edge avionics and ground hardware and software solutions supporting digital interoperability, survivability, sit... more

    5 Days Ago

  • Braven | Chicago, IL

    Braven | Chicago, IL

    Job Description. Job Description. Job Title. IT Systems Engineer. Team. Information Technology. Location. Hybrid in Chicago (IL). Employment Type. Full-tim... more

    6 Days Ago

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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.

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