Mobile Diesel Technician - Dallas

Allegiance Fleet Services; Dallas (TX); On-site; USD 60,000 - 85,000; Full time

Benefits offered by this job

Medical Vision Dental

401(k) Matching

Monthly bonuses up to 900

Tool & boot allowance

PTO & holidays

Gym membership benefit

Job summary

Allegiance Fleet Services, Dallas, TX, seeks a Mobile Diesel Technician to diagnose and repair diesel fleets on-site. You will turn wrenches, solve mechanical problems, and help keep trucks on the road, with a $2,500 sign-on bonus. Join a patriotic, customer-focused team dedicated to growth.

We offer competitive pay and real benefits, including medical, dental, vision, a 401(k), onboarding, and clear paths for advancement as you gain field experience and independence.

Qualifications

• Proven experience in heavy-duty diesel mechanics, diagnostics, and mobile repair.
• ASE certifications a plus, but not required.
• Urgency and a commitment to highly efficient, quality work.
• Autonomy, reliability, and the ability to operate independently in tough field conditions.

Responsibilities

• Diagnose and repair diesel equipment on-site to minimize client downtime.
• Maximize efficiency through workflow organization and parts management.
• Maintain accurate daily work order documentation.
• Keep truck stocked, organized, and ready to serve customers.
• Educate clients on preventative maintenance as a trusted advisor.
• Communicate fleet status effectively with team and client.
• Work outdoors in all weather and participate in rotating emergency calls.

Skills

Diesel diagnostics

Mobile repair

Field service

Safety minded

Job description

About Allegiance Fleet Services
Allegiance Fleet Services is a mobile heavy-duty fleet maintenance and repair company that brings the shop to our customers. Our technicians travel in fully equipped service trucks to perform preventive maintenance, diagnostics, and repairs on trucks, trailers, and equipment wherever our customers’ fleets operate, keeping their vehicles on the road and their businesses moving. We’re a new, fast-growing company built on technician-first values: we invest in our people with competitive pay, real benefits including medical, dental, vision, a 401(k), structured onboarding, and clear paths for growth. We look for skilled, safety-minded technicians who take pride in their work and want to help build something from the ground up. If you’re looking for a team where your experience is respected and your work makes a difference, we’d love to hear from you.

About Allegiance Fleet Services
Allegiance Fleet Services is a mobile heavy-duty fleet maintenance and repair company that brings the shop to our customers. Our technicians travel in fully equipped service trucks to perform preventive maintenance, diagnostics, and repairs on trucks, trailers, and equipment wherever our customers’ fleets operate, keeping their vehicles on the road and their businesses moving. We’re a new, fast-growing company built on technician-first values: we invest in our people with competitive pay, real benefits including medical, dental, vision, a 401(k), structured onboarding, and clear paths for growth. We look for skilled, safety-minded technicians who take pride in their work and want to help build something from the ground up. If you’re looking for a team where your experience is respected and your work makes a difference, we’d love to hear from you.
About The Role
Offering a $2,500 SIGN ON BONUS!
We are currently looking for a full-time Mobile Diesel Technician to join the front lines of our operation in Dallas, TX. If you love turning wrenches, solving complex mechanical problems, and take pride in getting heavy-duty trucks back on the road, we want you on our team!
Our hard-working technicians are the backbone of our outstanding reputation. Through world-class diagnostic skills and a relentless work ethic, we keep the supply chain moving. We take immense pride in our craft and are looking for patriotic, dedicated mechanics who share that same grit.
Allegiance Fleet Services' VISION is to become the most trusted mobile diesel repair partner in every region we serve by delivering an outstanding experience to our valued clients. And our Core Purpose is simple: YOUR FLEET OUR MISSION.
Does this sound like YOU?

• You thrive in a mobile, field-based environment, using your skills and the latest technology to diagnose and repair diesel fleets on-site.
• You take serious pride in your work, ensuring every repair is done right the first time to deliver an exceptional client experience.
• You want to work independently but be backed by an efficient dispatch and parts support team that is highly motivated to see you succeed.
• You want to work with and learn from the hardest-working diesel experts in the industry.

What You'll Do

• Safely, accurately, and efficiently diagnose and repair diesel equipment on-site to minimize client downtime
• Maximize your efficiency through workflow organization, parts management, and execution of repairs
• Maintain 100% accuracy and timeliness in daily work order documentation
• Keep your truck fully stocked, organized, and ready to help you serve customers efficiently
• Educate clients on preventative maintenance, acting as a trusted advisor for their fleet's health
• Effectively communicate with both the team and client regarding the fleet status
• Able to work outdoors in all-weather types
• Rotating emergency calls as required by market

Qualifications

• Proven experience in heavy-duty diesel mechanics, diagnostics, and mobile repair
• ASE certifications a plus, but not required
• Urgency and a commitment to highly efficient, quality work
• Autonomy, reliability, and the ability to operate independently in tough field conditions

Benefits

• Medical, Vision, Dental, 401(k) Matching
• Competitive compensation including up to $900 in monthly bonuses
• Leadership and career development
• A proud, patriotic company culture
• 80 hours of PTO and 7 holidays including your birthday
• $500 annual tool allowance
• $300 annual boot allowance
• $200 annual cold gear allowance
• $50 a month for a gym membership