As of September 01, 2026, the average annual salary for Diesel Engineer in Delaware is $120,182, equivalent to $58 per hour, $2,311 weekly, or $10,015 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Diesel Engineer in cities like San Jose, Santa Clara, and San Francisco.

Annually Salaries for Diesel Engineer in Delaware vary widely, spanning from $96,002 to $136,765. Most professionals fall between the 25th percentile ($107,525) and 75th percentile ($128,862), while top earners (90th percentile) make $136,765 per year. This $21,337 pay gap underscores opportunities for salary growth through certifications, specialized skills like Analysis or FOCUS, or targeting high-paying regions like District of Columbia or California.

Location and experience significantly influence earnings. For example, Delaware Diesel Engineer often earn 1.3% higher than national averages due to demand from Fortune 31 companies. However, Delaware currently ranks 16 nationwide for Diesel Engineer job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.

Based on HR-reported data: a national average with a geographic differential
Diesel Engineer Salaries by Percentile
Percentile Salary Location Last Updated
10th Percentile Diesel Engineer Salary $96,002 DE September 01, 2026
25th Percentile Diesel Engineer Salary $107,525 DE September 01, 2026
50th Percentile Diesel Engineer Salary $120,182 DE September 01, 2026
75th Percentile Diesel Engineer Salary $128,862 DE September 01, 2026
90th Percentile Diesel Engineer Salary $136,765 DE September 01, 2026
25% $107,525 10% $96,002 90% $136,765 75% $128,862 $120,182 50%(Median) Didn’t find job title? Click
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Impact Diesel - PINE CANYON, UT

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Diesel Engineer

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Location Avg. Salary Date Updated
Location Bear, DE Avg. Salary $127,389 Date Updated September 01, 2026
Location Delaware City, DE Avg. Salary $127,468 Date Updated September 01, 2026
Location Harrington, DE Avg. Salary $127,064 Date Updated September 01, 2026
Location Lewes, DE Avg. Salary $126,844 Date Updated September 01, 2026
Location Middletown, DE Avg. Salary $127,494 Date Updated September 01, 2026
Location Milford, DE Avg. Salary $127,235 Date Updated September 01, 2026
Location Rehoboth Beach, DE Avg. Salary $126,797 Date Updated September 01, 2026
Location Seaford, DE Avg. Salary $126,869 Date Updated September 01, 2026
Location Smyrna, DE Avg. Salary $127,930 Date Updated September 01, 2026
Location Bethany Beach, DE Avg. Salary $126,421 Date Updated September 01, 2026
Job Openings for Diesel Engineer in Delaware

Career Path for this job

  1. This Job:

    Diesel Engineer

    0 - 2 years experience
    Bachelor's Degree

  2. Up a level:

    Drilling Engineer II

    2 - 4 years experience
    Bachelor's Degree

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