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As of August 01, 2026, the average salary for an Aerospace Support Engineer IV in Illinois is $123,210 per year, which breaks down to an hourly rate of $59.
However, an Aerospace Support Engineer IV's salary can vary significantly. Here’s a look at the typical salary range:
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Aerospace Support Engineer IV Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $128,630 | $10,719 | $2,474 | $62 |
| Average | $123,210 | $10,268 | $2,369 | $59 |
| 25th Percentile | $117,340 | $9,778 | $2,257 | $56 |
Vantor - HERNDON, VA
Vantor - HERNDON, VA
Kaiser Permanente - COUNTRY PARK ACRES, NC
Kaiser Permanente - COUNTRY PARK ACRES, NC
An Aerospace Support Engineer IV'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.
Experience is a primary driver of an Aerospace Support Engineer IV'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:
| Job Role | Years of Experience | Average Salary |
|---|---|---|
| Aerospace Aviation Maintenance Engineer II | 2-4 years | $84,911 |
| Aerospace Aviation Maintenance Engineer III | 4-7 years | $100,582 |
| Aerospace Support Engineer IV | 7+ years | $123,203 |
| Aerospace Aviation Maintenance Engineer V | 7-10 years | $145,407 |
| Aerospace Aviation Maintenance Engineering Manager | 10+ years | $130,755 |
What Am I Worth?
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 Aerospace Support Engineer IVs. For example, consider the average annual salaries in these key locations:
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:
Aerospace Support Engineer IV salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $136,828. While startup companies pay approximate $115,958.
| Company Size | Employees | Average Salary |
|---|---|---|
| Startup | 1~50 | $115,958 |
| Growth Stage | 51~500 | $122,575 |
| Established | 501~5000 | $132,192 |
| Enterprise | 5000+ | $136,828 |
For Aerospace Support Engineer IV roles, the industry you choose can affect earning potential by as much as 110% (the gap between the highest and lowest paying industries). Data shows that the Software & Networking and Aerospace & Defense sectors offer the strongest compensation, at 50% above the average. In contrast, Aerospace Support Engineer positions in Transportation or MFG Durable typically offer lower base pay, as these industries often view Aerospace Support Engineer IV as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Software & Networking | $184,815 | $89.0 | 50% |
| Aerospace & Defense | $154,012 | $74.0 | 25% |
| Energy & Utilities | $135,531 | $65.0 | 10% |
| Edu., Gov't. & Nonprofit | $129,370 | $62.0 | 5% |
Understanding how an Aerospace Support Engineer IV'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.
| Annual Salary | Monthly Pay | Weekly Pay | Hourly Wage | |
|---|---|---|---|---|
| 75th Percentile | $128,630 | $10,719 | $2,474 | $62 |
| Average | $123,210 | $10,268 | $2,369 | $59 |
| 25th Percentile | $117,340 | $9,778 | $2,257 | $56 |
Promotions are the fastest way to increase your earnings. As an Aerospace Support Engineer IV, 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.
| Next Step Role | Estimate Salary | Projected Raise |
|---|---|---|
| Aircraft Maintenance Engineer V | $142,300 | 15% |
| Aerospace Aviation Maintenance Engineer V | $145,500 | 18% |
| Manager of Software Solutions Engineering | $129,800 | 5% |
Ready to take the next step in your career? Browse thousands of current Aerospace Support Engineer IV job openings on our job board. Use the search bar below to find your perfect match.
Vantor
HERNDON, VA
Vantor | HERNDON, VA
Vantor seeks an Aerospace Modeling & Simulation Engineer to build high‑fidelity models and simulation tools for aerospace systems within modern software ar... more
1 Day Ago
Capgemini
ATLANTA, GA
Capgemini | ATLANTA, GA
At Capgemini Engineering, the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the wo... more
2 Days Ago
Archer
SAN JOSE, CA
Archer | SAN JOSE, CA
Archer is an aerospace company based in San Jose, California building an all-electric vertical takeoff and landing aircraft with a mission to advance the b... more
2 Days Ago
Barnes Aerospace
EAST HARTFORD, CT
Barnes Aerospace | EAST HARTFORD, CT
At a Glance Company: Barnes Aerospace Location: East Hartford, CT 06108 (on-site) Job Type: Full-Time Pay Range: $90,000 – $110,000 per year (based on expe... more
3 Days Ago
GEODIS
BRENTWOOD, TN
GEODIS | BRENTWOOD, TN
Engineer IV - Warehouse Control Systems Who We Are: GEODIS specializes in unlocking business value in a complex world, ensuring seamless movement of goods ... more
1 Day Ago
4P Consulting Inc.
ATLANTA, GA
4P Consulting Inc. | ATLANTA, GA
System Engineer IV – IT Infrastructure Location: Atlanta, GA Client: Southern Company Services Contract Duration: 3 Years Experience: 10 Years Job Summary ... more
2 Days Ago
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