Assembly Process Engineer Salary in Illinois

How much does an Assembly Process Engineer make in Illinois? As of August 01, 2026, the average salary for an Assembly Process Engineer in Illinois is $104,100 per year, which breaks down to an hourly rate of $50.

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

  • Top Earners (90th percentile): $119,772
  • Majority Range (25th-75th percentile): $97,076 to $112,303
  • Entry-Level (10th percentile): $90,681

Key Factors That Influence Assembly Process Engineer Salaries

An Assembly Process 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 Assembly Process Engineer Salaries?

Experience is a primary driver of an Assembly Process 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): $89,341
  • Early Career (1-2 years): $102,391
  • Mid-Level (2-4 years): $113,653
  • Senior-Level (5-8 years): $138,923
  • Expert (over 8 years): $121,198
Job RoleYears of ExperienceAverage Salary
Process Engineer I less than 1 year $89,341
Assembly Process Engineer 1-2 years $102,391
Process Engineer III 2-4 years $113,653
Process Engineer IV 5-8 years $138,923
Process Engineering Supervisor over 8 years $121,198

Top Paying Cities for Assembly Process 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: $95,959
  • Saint Peter: $95,828
  • Salem: $96,192

Assembly Process Engineer Salary by Industry: Top Paying Sectors

For Assembly Process Engineer roles, the industry you choose can affect earning potential by as much as 120% (the gap between the highest and lowest paying industries). Data shows that the Software & Networking and Pharmaceuticals sectors offer the strongest compensation, at 50% above the average. In contrast, Assembly Process Engineer positions in Transportation or Telecom typically offer lower base pay, as these industries often view Assembly Process Engineer as a support function rather than a direct revenue driver.

The top paying industries for an Assembly Process Engineer

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Software & Networking $156,150 $75.0 50%
Pharmaceuticals $135,330 $65.0 30%
Biotechnology $130,125 $63.0 25%
Energy & Utilities $124,920 $60.0 20%
Aerospace & Defense $114,510 $55.0 10%

Assembly Process Engineer Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how an Assembly Process 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
$97,076
Average $104,100/year
$112,303
$8,090
Average $8,675/month
$9,359
$1,867
Average $2,002/week
$2,160
$47
Average $50/hour
$54
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $112,303 $9,359 $2,160 $54
Average $104,100 $8,675 $2,002 $50
25th Percentile $97,076 $8,090 $1,867 $47

Find Your Next Assembly Process Engineer Job

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

  • Jobot | Vandalia, IL

    Jobot | Vandalia, IL

    Competitive Salary, Excellent Benefits, Profit Sharing, Bonuses, 401k and MORE. This Jobot Job is hosted by: Jaclyn D'Amore. Are you a fit. Easy Apply now ... more

    13 Days Ago

  • TH Foods, Inc. | Loves Park, IL

    TH Foods, Inc. | Loves Park, IL

    Job Description. Job Description. Position Summary. The Process Engineer will make a meaningful impact on TH Foods portfolio by leading key process develop... more

    6 Days Ago

  • VTI Life Sciences | Chicago, IL

    VTI Life Sciences | Chicago, IL

    Job Description. Job Description. VTI Life Sciences (VTI).  is seeking forward-thinking and ambitious engineers looking to accelerate their careers in the ... more

    6 Days Ago

  • PPC Flex | 60089, IL

    PPC Flex | 60089, IL

    Job Description. Job Description. Position Summary. The Lean Process Engineer develops and improves manufacturing processes by studying product and manufac... more

    6 Days Ago

  • Sibel Health | Chicago, IL

    Sibel Health | Chicago, IL

    A BIT ABOUT SIBEL HEALTH. With headquarters based in Chicago, Illinois, and an international office in Seoul, South Korea, Sibel Health is an award-winning... more

    7 Days Ago

  • Burgess Norton Mfg Co | Geneva, IL

    Burgess Norton Mfg Co | Geneva, IL

    Job Description. Job Description. Amsted Automotive, Burgess-Norton division is seeking an experienced Senior Process Engineer to support manufacturing and... more

    7 Days Ago

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