Diesel Technician Jobs
Diesel Technician jobs are open across trucking fleets, construction, agriculture, and municipal services, from entry-level lube technicians to senior heavy-equipment technicians and shop foremen, with specializations in preventive maintenance, engine overhaul, and emissions diagnostics. Scan the live roles below and apply to whichever ones fit.
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Showing 5 of 896+ Diesel Technician jobs
Date: Jul 31, 2026
Location: Mount Vernon, WA, US, 98273-9671
Company: PACCAR
Full-time Diesel Technician to support engineering staff with all phases of heavy duty vehicle testing at the Paccar Technical Center Vehicle Operations Lab.This position is for the 1st shift; Tuesday through Saturday.
Company Information
PACCAR is a Fortune 500 company established in 1905. PACCAR Inc is recognized as a global leader in the commercial vehicle, financial, and customer service fields with internationally recognized brands such as Kenworth, Peterbilt, and DAF trucks. PACCAR is a global technology leader in the design, manufacture and customer support of premium light-, medium- and heavy-duty trucks under the Kenworth, Peterbilt and DAF nameplates and also provides customized financial services, information technology and truck parts related to its principal business.
Whether you want to design the transportation technology of tomorrow, support the staff functions of a dynamic, international leader, or build our excellent products and services, you can develop the career you desire with PACCAR. Get started!
Division Information
The PACCAR Technical Center provides engineering excellence to the truck, engine, and winch divisions of PACCAR Inc through innovative product development and testing. The Technical Center is located in the Skagit Valley about 65 miles north of Seattle, Washington. Tooling is provided.
Job Functions / Responsibilities
- Prepare heavy duty vehicles for testing, including replacing components and installing measurement instrumentation
- Work closely with engineering staff to ensure engines and vehicles are performing as requested during testing
- Maintain, troubleshoot and repair test engines and vehicles
- Maintain the highest level of documentation, work area cleanliness and organization
- Keep abreast of new technologies
- Perform duties safely and efficiently with minimal supervision
- Flexibility, initiative and the willingness to respond to shifting time and project demands
Qualifications
- 5+ years relevant work experience to ensure knowledge of heavy-duty vehicle systems
- Proficient troubleshooting skills in engine and vehicle systems
- Must have the ability to exercise independent judgment and creativity based on sound technical theory, to solve a wide range of challenges for which routine solutions are not available
- Applicants with a high attention to detail, very thorough, and are highly organized are sought after
- Excellent mechanical aptitude
- Welding and fabrication skills a plus
- Current CDL a plus, ability to acquire a CDL required
- Good computer skills – Microsoft Office software proficiency desired
- Good verbal and written communication skills
- Must be self-directed with the ability to manage personal workload and alternate schedules
- Must be able to work independently as well as in a team environment
Education
Associate in Technical Arts degree in Diesel Power Technology or equivalent
PACCAR Benefits
As a U.S. PACCAR employee, you have a full range of benefit options including:
- 401k with up to a 5% company match
- Fully funded pension plan that provides monthly benefits after retirement
- Comprehensive paid time off – minimum of 10 paid vacation days (additional days are provided with additional seniority/years of service), 12 paid holidays, and sick time
- Tuition reimbursement for continued education
- Medical, dental, and vision plans for you and your family
- Flexible spending accounts (FSA) and health savings account (HSA)
- Paid short-and long-term disability programs
- Life and accidental death and dismemberment insurance
- EAP services including wellness plans, estate planning, financial counseling and more
Additional Job Board Information
PACCAR is an Equal Opportunity Employer/Protected Veteran/Disability and E-Verify Employer. At PACCAR, we value talent and promote growth and development. We carefully consider numerous compensation factors including your education, training, or experience. The salary range for the Diesel Technician is $70,500 - $105,800 annually. Additionally, this role is eligible for the full range of benefit options listed above. This is a safety-sensitive position, and the pre-employment drug testing includes cannabis testing. This guideline applies to U.S. locations only. #LI-ZP1
Job Segment: Auto Technician, Testing, Product Development, Instrumentation, Automotive, Technology, Research, Customer Service, Engineering
Date: Jul 31, 2026
Location: Mount Vernon, WA, US, 98273-9671
Company: PACCAR
Full-time Diesel Technician to support engineering staff with all phases of heavy duty vehicle testing at the Paccar Technical Center Vehicle Operations Lab.This position is for the 1st shift; Tuesday through Saturday.
Company Information
PACCAR is a Fortune 500 company established in 1905. PACCAR Inc is recognized as a global leader in the commercial vehicle, financial, and customer service fields with internationally recognized brands such as Kenworth, Peterbilt, and DAF trucks. PACCAR is a global technology leader in the design, manufacture and customer support of premium light-, medium- and heavy-duty trucks under the Kenworth, Peterbilt and DAF nameplates and also provides customized financial services, information technology and truck parts related to its principal business.
Whether you want to design the transportation technology of tomorrow, support the staff functions of a dynamic, international leader, or build our excellent products and services, you can develop the career you desire with PACCAR. Get started!
Division Information
The PACCAR Technical Center provides engineering excellence to the truck, engine, and winch divisions of PACCAR Inc through innovative product development and testing. The Technical Center is located in the Skagit Valley about 65 miles north of Seattle, Washington. Tooling is provided.
Job Functions / Responsibilities
- Prepare heavy duty vehicles for testing, including replacing components and installing measurement instrumentation
- Work closely with engineering staff to ensure engines and vehicles are performing as requested during testing
- Maintain, troubleshoot and repair test engines and vehicles
- Maintain the highest level of documentation, work area cleanliness and organization
- Keep abreast of new technologies
- Perform duties safely and efficiently with minimal supervision
- Flexibility, initiative and the willingness to respond to shifting time and project demands
Qualifications
- 5+ years relevant work experience to ensure knowledge of heavy-duty vehicle systems
- Proficient troubleshooting skills in engine and vehicle systems
- Must have the ability to exercise independent judgment and creativity based on sound technical theory, to solve a wide range of challenges for which routine solutions are not available
- Applicants with a high attention to detail, very thorough, and are highly organized are sought after
- Excellent mechanical aptitude
- Welding and fabrication skills a plus
- Current CDL a plus, ability to acquire a CDL required
- Good computer skills – Microsoft Office software proficiency desired
- Good verbal and written communication skills
- Must be self-directed with the ability to manage personal workload and alternate schedules
- Must be able to work independently as well as in a team environment
Education
Associate in Technical Arts degree in Diesel Power Technology or equivalent
PACCAR Benefits
As a U.S. PACCAR employee, you have a full range of benefit options including:
- 401k with up to a 5% company match
- Fully funded pension plan that provides monthly benefits after retirement
- Comprehensive paid time off – minimum of 10 paid vacation days (additional days are provided with additional seniority/years of service), 12 paid holidays, and sick time
- Tuition reimbursement for continued education
- Medical, dental, and vision plans for you and your family
- Flexible spending accounts (FSA) and health savings account (HSA)
- Paid short-and long-term disability programs
- Life and accidental death and dismemberment insurance
- EAP services including wellness plans, estate planning, financial counseling and more
Additional Job Board Information
PACCAR is an Equal Opportunity Employer/Protected Veteran/Disability and E-Verify Employer. At PACCAR, we value talent and promote growth and development. We carefully consider numerous compensation factors including your education, training, or experience. The salary range for the Diesel Technician is $70,500 - $105,800 annually. Additionally, this role is eligible for the full range of benefit options listed above. This is a safety-sensitive position, and the pre-employment drug testing includes cannabis testing. This guideline applies to U.S. locations only. #LI-ZP1
Job Segment: Auto Technician, Testing, Product Development, Instrumentation, Automotive, Technology, Research, Customer Service, Engineering
Diesel Technician Jobs by Experience Level
See All 896+ Diesel Technician Jobs
Find roles that match your experience and apply in just a few clicks.
Find Diesel Technician JobsDiesel Technician Job Market
Who's Hiring
- Love’s Travel Stops90
- Republic Services33
- Casella Waste Systems27
- Nextran Truck Centers23N
- Crown Equipment19
Top Industries Hiring
- Manufacturing13
- Automotive5
- Transportation & Logistics4
- Waste Management & Environmental Services4
- Construction & Real Estate3
What Employers Look For
The qualifications that appear most often in diesel technician jobs.
- ASE certification in one or more T-series or medium/heavy truck areas
- Hands-on experience diagnosing and repairing diesel engines such as Cummins, Caterpillar, or Detroit Diesel
- Proficiency with electronic diagnostic scan tools and fault code interpretation
- Valid commercial driver's license or ability to obtain one
- Completion of a diesel technology program at a vocational school or community college
- Experience with DOT compliance inspections and preventive maintenance scheduling
Tips for Your Diesel Technician Job Search
List your ASE certifications prominently
Hiring managers scan for ASE T-series and L-series certifications before reading anything else on a diesel technician resume. Put them in a dedicated certifications section near the top, not buried in a skills list at the bottom.
Document the equipment makes you have serviced
Employers want to know whether you have hands-on time with Cummins, Caterpillar, Detroit Diesel, or PACCAR engines. List specific engine families and vehicle makes in your work history so hiring managers can match you to their fleet without guessing.
Target openings by fleet type, not just job title
A long-haul trucking shop, a municipal bus garage, and a construction equipment dealer each hire diesel technicians but expect very different experience. Filter your search by industry vertical so you apply to shops that actually run the equipment you know.
Apply early to roles that fit
Migrate Mate lists diesel technician openings from across the United States in one place, so you can find roles that match and apply directly to each listing.
Prepare for a hands-on shop assessment
Many diesel shops ask candidates to perform a basic diagnostic task or read a fault code on actual equipment during the interview. Review your scan tool workflow and be ready to walk through your diagnostic process step by step out loud.
Negotiate your flat-rate structure before you accept
Flat-rate pay can vary significantly between shops based on labor time guides and come-back policies. Ask during the offer stage how warranty repairs are flagged, how comeback hours are handled, and whether the shop uses Mitchell or a proprietary time guide.
Diesel Technician Jobs: Frequently Asked Questions
Which companies are hiring the most diesel technicians?
The companies hiring the most diesel technicians right now include Love’s Travel Stops, Republic Services, and Casella Waste Systems, with the largest share of openings in Texas, Georgia, and Indiana, based on current listings on Migrate Mate as of August 2026. Fleet maintenance contractors and truck dealerships tend to post the highest volume of openings consistently.
How many diesel technician jobs are remote?
About 1% of diesel technician openings are fully remote or hybrid as of August 2026, since most of the work requires physical access to equipment in a shop or field setting. The sub-areas most likely to offer remote or hybrid arrangements are service writing, technical training, and warranty administration roles that support diesel teams.
How do you become a diesel technician?
Most diesel technicians complete a diesel technology or heavy equipment program at a vocational school or community college, which typically includes classroom instruction and shop lab time on actual engines. After graduating, you enter an entry-level technician or lube tech role to build hands-on hours, then pursue ASE T-series certifications as you gain experience in specific systems like brakes, electrical, or engines.
Can you get hired as a diesel technician with little experience?
Yes, many shops hire entry-level diesel technicians as lube techs or technician helpers and train them on the floor. Completing a diesel technology program, earning even one ASE certification, and being able to supply your own basic hand tools will make you a competitive candidate for these roles even without professional shop experience.
What does the diesel technician interview process look like?
Most diesel technician interviews start with a phone or in-person conversation about your experience with specific engine families and the types of repairs you have handled. A shop tour and hands-on assessment often follow, where you may be asked to perform a basic diagnostic task or interpret a fault code. Some employers also verify your ASE certifications and ask about your personal tool inventory before making an offer.
Where can I find and apply to diesel technician jobs?
You can find and apply to diesel technician jobs on Migrate Mate, which lists current openings from across the United States. Search for roles that match your experience and equipment background, then apply directly to each listing that fits.
See All 896+ Diesel Technician Jobs
Find roles that match your experience and apply in just a few clicks.
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