You can become a diesel engineer or mechanic with a high school diploma and journey-level training, although there are formal certificate and degree options available. Professional mechanic certifications are available through the National Institute for Automotive Service Excellence (ASE) and are preferred by most employers. The duties of a diesel engineer are to perform diagnostics on equipment, inspect parts and system machinery, and perform any necessary service or repair to the vehicle.

If you are interested in a job related to Diesel Engineer, here are some popular related job searches with the most open positions on ZipRecruiter.

Top Types Of Diesel Engineer Jobs

List of the top 10 highest paying Diesel Engineer positions in 2026, with salary ranges, according to ZipRecruiter.

Merchant Marine Engineer
Salary range: $66,500 - $107,000
Merchant Marine Engineer is a typical job search query Most salaries for Merchant Marine Engineer jobs pay between $66,500 (25th percentile) and $107,000 (75th percentile) annually. Take a look at the variety of open positions nationwide for Merchant Marine Engineer job searches hiring now on ZipRecruiter.
Marine Mechanical Engineering
Salary range: $81,500 - $126,500
Marine Mechanical Engineering is a typical job search query Most salaries for Marine Mechanical Engineering jobs pay between $81,500 (25th percentile) and $126,500 (75th percentile) annually. Take a look at the variety of open positions nationwide for Marine Mechanical Engineering job searches hiring now on ZipRecruiter.
Detroit Diesel Employment
Salary range: $50,000 - $66,000
Detroit Diesel Employment is a more unusual job search query but still may give you interesting job results. Most salaries for Detroit Diesel Employment jobs pay between $50,000 (25th percentile) and $66,000 (75th percentile) annually. Take a look at the variety of open positions nationwide for Detroit Diesel Employment job searches hiring now on ZipRecruiter.
Diesel Engine Design
Salary range: $50,000 - $66,000
Diesel Engine Design is a more unusual job search query but still may give you interesting job results. Most salaries for Diesel Engine Design jobs pay between $50,000 (25th percentile) and $66,000 (75th percentile) annually. Currently, there are not many open positions nationwide for Diesel Engine Design job searches hiring now on ZipRecruiter. You can take a look at what is available and find similar job searches in this list.
Egr
Salary range: $93,500 - $127,000
Egr is a more unusual job search query but still may give you interesting job results. Most salaries for Egr jobs pay between $93,500 (25th percentile) and $127,000 (75th percentile) annually. Currently, there are not many open positions nationwide for Egr job searches hiring now on ZipRecruiter. You can take a look at what is available and find similar job searches in this list.
Wartsila
Salary range: $31,500 - $64,000
Wartsila is a common job search query. Most salaries for Wartsila jobs pay between $31,500 (25th percentile) and $64,000 (75th percentile) annually. You’ll find many open positions nationwide for Wartsila job searches hiring now on ZipRecruiter.
Merchant Marine Security
Salary range: $44,000 - $63,500
Merchant Marine Security is a typical job search query Most salaries for Merchant Marine Security jobs pay between $44,000 (25th percentile) and $63,500 (75th percentile) annually. Currently, there are not many open positions nationwide for Merchant Marine Security job searches hiring now on ZipRecruiter. You can take a look at what is available and find similar job searches in this list.
Marine Diesel Engine Mechanic
Salary range: $53,500 - $69,500
Marine Diesel Engine Mechanic is a more unusual job search query but still may give you interesting job results. Most salaries for Marine Diesel Engine Mechanic jobs pay between $53,500 (25th percentile) and $69,500 (75th percentile) annually. Take a look at the variety of open positions nationwide for Marine Diesel Engine Mechanic job searches hiring now on ZipRecruiter.
Caterpillar Military
Salary range: $37,500 - $49,000
Caterpillar Military is a more unusual job search query but still may give you interesting job results. Most salaries for Caterpillar Military jobs pay between $37,500 (25th percentile) and $49,000 (75th percentile) annually. Currently, there are not many open positions nationwide for Caterpillar Military job searches hiring now on ZipRecruiter. You can take a look at what is available and find similar job searches in this list.
Diesel Mechanic 5000 Sign On Bonus
Salary range: $50,000 - $66,000
Diesel Mechanic 5000 Sign On Bonus is a more unusual job search query but still may give you interesting job results. Most salaries for Diesel Mechanic 5000 Sign On Bonus jobs pay between $50,000 (25th percentile) and $66,000 (75th percentile) annually. Currently, there are not many open positions nationwide for Diesel Mechanic 5000 Sign On Bonus job searches hiring now on ZipRecruiter. You can take a look at what is available and find similar job searches in this list.

All Jobs Diesel Engineer Jobs 10 of the Most Popular Types of Diesel Engineer Jobs in 2026