As of September 01, 2026, the average annual salary for Diesel Engineer in Connecticut is $126,827, equivalent to $61 per hour, $2,439 weekly, or $10,569 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 Connecticut vary widely, spanning from $101,310 to $144,328. Most professionals fall between the 25th percentile ($113,471) and 75th percentile ($135,988), while top earners (90th percentile) make $144,328 per year. This $22,517 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, Connecticut Diesel Engineer often earn 6.9% higher than national averages due to demand from Fortune 31 companies. However, Connecticut currently ranks 7 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 $101,310 CT September 01, 2026
25th Percentile Diesel Engineer Salary $113,471 CT September 01, 2026
50th Percentile Diesel Engineer Salary $126,827 CT September 01, 2026
75th Percentile Diesel Engineer Salary $135,988 CT September 01, 2026
90th Percentile Diesel Engineer Salary $144,328 CT September 01, 2026
25% $113,471 10% $101,310 90% $144,328 75% $135,988 $126,827 50%(Median) Didn’t find job title? Click
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Check out Diesel Engineer jobs in Connecticut

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Impact Diesel - PINE CANYON, UT

Engineer

Constellation Energy - LUSBY, MD

Engineer

Constellation Energy - MECHANICSVILLE, MD

Engineer

Constellation Energy - SAINT LEONARD, MD

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Diesel Engineer

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Location Avg. Salary Date Updated
Location New London, CT Avg. Salary $132,409 Date Updated September 01, 2026
Location Norwich, CT Avg. Salary $132,372 Date Updated September 01, 2026
Location West Haven, CT Avg. Salary $133,545 Date Updated September 01, 2026
Location Abington, CT Avg. Salary $132,216 Date Updated September 01, 2026
Location Amston, CT Avg. Salary $132,547 Date Updated September 01, 2026
Location Andover, CT Avg. Salary $132,489 Date Updated September 01, 2026
Location Ansonia, CT Avg. Salary $135,049 Date Updated September 01, 2026
Location Ashford, CT Avg. Salary $132,070 Date Updated September 01, 2026
Location Avon, CT Avg. Salary $132,656 Date Updated September 01, 2026
Location Ballouville, CT Avg. Salary $132,101 Date Updated September 01, 2026
Job Openings for Diesel Engineer in Connecticut

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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