Diesel Service Technician Jobs in Texas
Diesel Service Technician jobs in Texas are concentrated in the state's freight, energy, construction, and municipal fleet sectors, with demand running from entry-level lube technicians to master-certified diagnosticians. Houston, Dallas-Fort Worth, and San Antonio are the busiest hiring markets, anchored by large fleets and logistics operations tied to the Port of Houston, BNSF Railway, and Waste Management, all of which maintain significant Texas presence. The most in-demand specialties are heavy-duty engine diagnostics, emissions systems, and refrigerated transport unit repair. Find a role that fits below and apply directly.
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Showing 5 of 21+ Diesel Service Technician jobs
Field Service Technician
Relocation Assistance or $3,000 Sign-On Bonus Available – Tipton, Missouri
We are currently looking for experienced Field Service Technicians to join a growing leader in onsite power generation and distributed energy systems.
This is an excellent opportunity for experienced technicians looking to build a long-term career with an established company that values hands-on people and invests heavily in training and career development.
While generator experience is highly valued, we are also interested in speaking with experienced technicians from heavy-duty diesel, construction equipment, agricultural equipment, industrial maintenance, mining, trucking, or other mechanical and electrical trades who are looking to transition into the power generation industry.
Qualified candidates are eligible for either a $3,000 sign-on bonus or relocation assistance to Tipton, Missouri.
Responsibilities
- Diagnose and repair mechanical and electrical issues on diesel and natural gas generators
- Perform preventative maintenance, inspections, tune-ups, repairs, and commissioning work
- Troubleshoot AC/DC electrical systems, engine controls, transfer switches, switchgear, battery chargers, block heaters, and related equipment
- Read and interpret electrical schematics and wiring diagrams
- Complete service reports and documentation accurately
- Operate service trucks and field equipment safely and professionally
- Participate in an after-hours emergency service rotation as required
- Represent the company professionally while working at customer sites
What We're Looking For
- 3–5 years of experience in power generation, heavy-duty diesel, industrial maintenance, construction equipment, agricultural equipment, engine repair, mining equipment, trucking, or a related mechanical/electrical trade
- Strong mechanical and electrical troubleshooting skills
- Experience working on diesel engines, industrial equipment, heavy equipment, or generators
- Knowledge of AC electrical systems up to 600 VAC and DC fundamentals is considered an asset
- Ability to work independently and solve problems in the field
- Comfortable using diagnostic software, computers, and digital service reporting systems
- Strong communication and customer service skills
- Proficiency with Microsoft Office, email, and other basic computer applications
- Valid driver's license required
- CDL is considered an asset or willingness to obtain one
Generator experience is highly valued; however, we recognize that many outstanding technicians come from related industries. If you have strong mechanical aptitude, electrical troubleshooting experience, and the desire to learn, comprehensive training and ongoing development will be provided.
Why Join?
- $3,000 sign-on bonus or relocation assistance available
- Competitive hourly wage of $40-45/hour , depending on experience
- Overtime opportunities
- Long-term career stability with a growing organization
- Extensive training and development opportunities
- Clear opportunities for advancement
- Work with industry-leading power generation equipment
- Join a company that continues to expand throughout the distributed energy sector while investing in its people
Field Service Technician
Relocation Assistance or $3,000 Sign-On Bonus Available – Tipton, Missouri
We are currently looking for experienced Field Service Technicians to join a growing leader in onsite power generation and distributed energy systems.
This is an excellent opportunity for experienced technicians looking to build a long-term career with an established company that values hands-on people and invests heavily in training and career development.
While generator experience is highly valued, we are also interested in speaking with experienced technicians from heavy-duty diesel, construction equipment, agricultural equipment, industrial maintenance, mining, trucking, or other mechanical and electrical trades who are looking to transition into the power generation industry.
Qualified candidates are eligible for either a $3,000 sign-on bonus or relocation assistance to Tipton, Missouri.
Responsibilities
- Diagnose and repair mechanical and electrical issues on diesel and natural gas generators
- Perform preventative maintenance, inspections, tune-ups, repairs, and commissioning work
- Troubleshoot AC/DC electrical systems, engine controls, transfer switches, switchgear, battery chargers, block heaters, and related equipment
- Read and interpret electrical schematics and wiring diagrams
- Complete service reports and documentation accurately
- Operate service trucks and field equipment safely and professionally
- Participate in an after-hours emergency service rotation as required
- Represent the company professionally while working at customer sites
What We're Looking For
- 3–5 years of experience in power generation, heavy-duty diesel, industrial maintenance, construction equipment, agricultural equipment, engine repair, mining equipment, trucking, or a related mechanical/electrical trade
- Strong mechanical and electrical troubleshooting skills
- Experience working on diesel engines, industrial equipment, heavy equipment, or generators
- Knowledge of AC electrical systems up to 600 VAC and DC fundamentals is considered an asset
- Ability to work independently and solve problems in the field
- Comfortable using diagnostic software, computers, and digital service reporting systems
- Strong communication and customer service skills
- Proficiency with Microsoft Office, email, and other basic computer applications
- Valid driver's license required
- CDL is considered an asset or willingness to obtain one
Generator experience is highly valued; however, we recognize that many outstanding technicians come from related industries. If you have strong mechanical aptitude, electrical troubleshooting experience, and the desire to learn, comprehensive training and ongoing development will be provided.
Why Join?
- $3,000 sign-on bonus or relocation assistance available
- Competitive hourly wage of $40-45/hour , depending on experience
- Overtime opportunities
- Long-term career stability with a growing organization
- Extensive training and development opportunities
- Clear opportunities for advancement
- Work with industry-leading power generation equipment
- Join a company that continues to expand throughout the distributed energy sector while investing in its people
See All 21 Diesel Service Technician Jobs in Texas
Find roles in Texas that match your experience and apply in just a few clicks.
Find JobsDiesel Service Technician Jobs by City in Texas
Where Texas roles are concentrated, by current openings.
Diesel Service Technician Job Market in Texas
A snapshot from current Texas openings, updated as new roles post.
Who's Hiring
What Texas Employers Look For
The qualifications that appear most often in diesel service technician jobs across Texas.
- ASE certification in medium/heavy truck systems preferred or required by most Texas employers
- Valid Texas driver's license, with CDL required for road-test or mobile service roles
- Proficiency with diesel diagnostic software such as Detroit Diesel Diagnostic Link or Cummins Insite
- Minimum two years of hands-on experience with heavy-duty diesel engines and drivetrain components
- Ability to read and interpret OEM service manuals, wiring diagrams, and technical service bulletins
- Own a basic set of hand tools meeting shop standards, as required by most Texas dealership and fleet employers
Diesel Service Technician Jobs in Texas: Frequently Asked Questions
How do you become a diesel service technician in Texas?
Texas does not require a state-issued license to work as a diesel service technician, so the standard path is completing a diesel technology program at a Texas community college such as Texas State Technical College or Houston Community College, then earning ASE medium and heavy truck certifications. Most Texas employers hire graduates directly into apprentice or junior technician roles and provide on-the-job training toward full certification.
Which companies hire diesel service technicians in Texas?
Companies currently hiring diesel service technicians in Texas include MHC Kenworth, Cummins, and Bruckner Truck Sales, per current listings on Migrate Mate as of September 2026. Texas's combination of major freight corridors, active energy sector fleets, and large municipal operations means hiring is steady across dealership groups, national carriers, and in-house fleet maintenance departments throughout the state.
Which Texas cities have the most diesel service technician jobs?
Odessa, Dallas, and Houston consistently post the most diesel service technician openings in Texas. Houston leads because of its port logistics, oilfield support fleets, and one of the largest concentrations of commercial truck dealerships in the country, while Dallas-Fort Worth's intermodal freight infrastructure and San Antonio's military and municipal fleets sustain strong year-round demand in those metros.
Are there remote diesel service technician jobs in Texas?
Yes, but they're rare. Diesel service technician work is fundamentally hands-on, so the vast majority of openings require a physical shop or fleet location. About 0% of diesel service technician openings tied to Texas are remote or hybrid as of September 2026, and those positions are almost always in technical support, warranty administration, or remote diagnostics coordination rather than direct repair work.
How can I get hired as a diesel service technician in Texas with little or no experience?
The most realistic entry point is a lube technician or diesel apprentice role at a Texas commercial truck dealership or fleet operator, where formal experience requirements are low and on-the-job training is standard. Texas State Technical College and several Texas community colleges run diesel technology programs with employer partnerships that lead directly to entry hiring. Candidates who hold even a student-level ASE certification or a CDL, or who come from adjacent roles such as automotive technician or heavy equipment operator, stand out to Texas hiring managers.
Where can I find and apply to diesel service technician jobs in Texas?
You can find and apply to diesel service technician jobs in Texas on Migrate Mate, which lists current openings across Houston, Dallas-Fort Worth, San Antonio, and other Texas markets. Find roles that match your experience and certifications and apply directly to the employers posting them.
See All 21 Diesel Service Technician Jobs in Texas
Find roles in Texas that match your experience and apply in just a few clicks.
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