Lead - Diesel Class 8 Technician
Vital Tech Solutions
San Antonio, United States | Posted on 07/23/2026 Diesel Mechanics! - Join a Company Where People Stay, Benefits Matter, and Respect Comes First. We are looking for an experienced Diagnostic Diesel Technician to support our maintenance operations through advanced troubleshooting, diagnostics, and repair of diesel-powered trucks and equipment. This position requires a technician with strong electrical and emissions systems knowledge who can accurately diagnose complex mechanical failures and complete repairs safely and efficiently. Key Responsibilities Utilize OEM diagnostic software, scan tools, and technical resources to identify root cause failures and complete accurate repairs Conduct preventative maintenance inspections and identify potential equipment concerns before failure occurs Diagnose and repair mechanical, electrical, hydraulic, pneumatic, steering, suspension, brake, and drivetrain issues Maintain compliance with company safety procedures, environmental regulations, and maintenance standards Perform advanced diagnostics and troubleshooting on diesel engines, electronic controls, and emissions systems Accurately document diagnostics, completed repairs, labor, and parts usage Support shop operations by assisting and mentoring junior technicians as needed Service and repair aftertreatment systems including DPF, DEF, and SCR components Requirements MUST HAVE LEAD TECHNICIAN EXPERIENCE Abilityto read and interpret wiring diagrams, service manuals, and technicaldocumentation Minimum5 years of hands-on experience as a diesel technician Familiaritywith OEM diagnostic software, electronic troubleshooting systems, and scantools Mustprovide own basic hand tools Experiencedignosing and repairing aftertreatment systems including DPF, DEF, andSCR Strongdiagnostic and electrical troubleshooting background Experienceworking with diesel engine platforms such as Cummins, Detroit Diesel, CAT,PACCAR, or equivalent Experienceperforming repairs on engines, drivetrains, brakes, steering, suspension,and related heavy-duty systems #J-18808-Ljbffr Vital Tech Solutions
- ...Center is seeking entry‑level and experienced diesel truck mechanics to repair, troubleshoot, and maintain Class 8 trucks in our San Antonio shop. Candidates should... ...of diesel experience is preferred for seasoned technicians. Responsibilities include diagnostics, repairs,...Suggested
$29 - $36 per hour
...AND TRAILER REPAIRExperienced Technicians: The skilled mobile technicians... ...Prestige Fleet Services first class. Our Quality Promise: We're... ...inspections on a variety of Class 6-8 trucks and trailers, such as... ...to HaveMinimum of 3 years of diesel and trailer repair experience...SuggestedLocal areaShift workEpika Fleet Services
San Antonio, TX3 days ago- Vital Tech Solutions in San Antonio, TX, is seeking a Diagnostic Diesel Technician to support maintenance operations with advanced troubleshooting, diagnostics, and diesel-powered truck and equipment repairs. The ideal candidate will have strong electrical and emissions...Suggested
- ...applications for Entry level and Experienced Diesel Truck Mechanics. Responsibilities include... ...repair, troubleshooting and maintenance of Class 8 trucks. Candidates must be mechanically inclined and experienced technicians must have 3-5 years experience. Excellent benefits...SuggestedWork experience placement
- Kooner Fleet Management Solutions is seeking a Diesel Mechanic/Technician to service Class 6-8 trucks in the field. You’ll perform preventative maintenance, diagnostics, and repairs with independence and a supportive team. You’ll enjoy weekly pay, a 401(k) with match,...SuggestedWeekly pay
- French Ellison Truck Center is seeking entry level and experienced diesel truck mechanics to repair, troubleshoot and maintain Class 8 trucks. Candidates must be mechanically inclined; experienced technicians need 3-5 years of diesel experience. Excellent benefits offered....
- Kooner Fleet Management Solutions in Texas is seeking a Diesel Mechanic/Technician to perform preventative maintenance, diagnostics, and repairs on Class 6-8 trucks in field settings. This field-based role offers independence, steady work, and the chance to work with modern...Weekly pay
- ...Field Diesel Mechanic (Service Tech III - Field Service)If you'd like the chance to make... ...to work towards higher levels of Service Technician and leadership roles in our Service Department... ...our people - That's why we offer best-in-class benefits and perks that will support you...Hourly pay
United Rentals
San Antonio, TX3 days ago - ...future with United Rentals! As a Field Diesel Mechanic (Service Tech III - Field Service... ...to work towards higher levels of Service Technician and leadership roles in our Service... ...our people - That's why we offer best-in-class benefits and perks that will support you...Hourly pay
United Rentals
San Antonio, TX22 hours ago $37.6 per hour
...Diesel MechanicEarn up to $37.60 hrFull-Time, Monday - Friday, Various ShiftsEarn 1 week of vacation after 90 days of employment and enjoy... ...of preventative maintenance and minor to major repairs to Class 8 trucks, trailers, and potentially forklifts. This can include maintaining...Immediate startMonday to FridayR+L Carriers
San Antonio, TX3 days ago$39.2 per hour
...Diesel MechanicWhat you'll need to succeed as a Diesel Mechanic at XPO Minimum qualifications... ...and preventive maintenance for tractor technicians Able to diagnose and repair vehicle air... ...and adjustments on all types of class 6 through 8 diesel equipment, forklifts, and...Monday to FridayShift workNight shiftWeekend workAfternoon shiftXPO Logistics
San Antonio, TX3 days ago- ...50 years. We are offering Top competitive pay with a great full Benefit package. We are looking for some Shop and Road Diesel Technician's / Mechanic's to join our team! We we work on all makes and models of 18 wheeler's, Trailers, Bob tails, Medium duty and Light...
Limon's Road Service
San Antonio, TX5 days ago $39.2 per hour
...Diesel MechanicWhat you'll need to succeed as a Diesel Mechanic at XPO Minimum qualifications... ...and preventive maintenance for tractor technicians Able to diagnose and repair vehicle air... ...and adjustments on all types of class 6 through 8 diesel equipment, forklifts, and...Monday to FridayShift workNight shiftWeekend workAfternoon shiftXPO Logistics
San Antonio, TX3 days ago- ...mechanical, electrical, hydraulic, and diesel systems on a variety of rental and customer... ...Assist in the training of lower level technicians as needed Maintain paperwork/electronic... ...our people - That's why we offer best-in-class benefits and perks that will support you...Hourly pay
- ...Lead Maintenance Technician Apply now for our upcoming Lead Maintenance Technician opportunity! The selected candidate is expected to start in... ...in the multi-family housing industry preferred. ~ Valid Class "C" Texas Driver's License required. Certifications...Contract workFor contractorsWork at office
Prospera Housing Community Services
San Antonio, TX1 day ago - ...The Role We are seeking an experienced and highly motivated Lead PLC Field Technician with a strong background in PLC‑based control systems. This... ...priorities across multiple active job sites. Qualifications 8+ years of hands‑on experience with PLC systems in...
- Dollar General is seeking a Fleet Diesel Mechanic to maintain class 8 trucks, trailers and yard tractors. You will diagnose and repair components, perform preventive maintenance, and ensure safety and reliability across the fleet. Work in a fast-paced environment, follow...
$32 - $38 per hour
Join Us as a Diesel Mechanic/Technician! About Kooner Fleet Management Solutions Kooner Fleet Management Solutions is one of the fastest-growing... ...preventative maintenance, diagnostics, and repairs on Class 6-8 trucks. Backed by a supportive team that values your skill...Weekly pay- XPO Logistics, Inc. is seeking a Diesel Mechanic in San Antonio to perform maintenance on Class 6-8 diesel equipment and trailers. The role requires experience or technical certification in heavy‑duty maintenance and EPA refrigerant handling. You will troubleshoot, repair...Afternoon shift
$100k
...Experienced Diesel Technicians WantedMac Haik Southway Ford in San Antonio, TX, is looking for experienced diesel technicians who want consistent work, strong leadership, modern equipment, and the opportunity to earn six figures.If you have experience with Power Stroke...Price workMac Haik's Southway Ford
San Antonio, TX3 days ago- Prospera Housing Community Services is seeking a Lead Maintenance Technician for their San Antonio property. The role involves overseeing all aspects... ...requires a high school diploma or GED, a valid Texas Class C Driver's License, and at least 5 years of relevant experience...
- HOLT CAT is seeking a mid-level Crane Shop Service Technician to inspect, diagnose, and repair diesel-powered heavy equipment, following established procedures. The role works independently or in a team to deliver high-quality, cost-conscious repairs and service to customers...
- The H-E-B diesel technician role in Texas focuses on basic to mid-range diagnostics, preventive maintenance, and repairs. You will perform routine inspections, assist with brake systems, and support in an apprentice-style team setting. Candidates should have 1+ years of...
- ...TechnicianThe Technician is primarily responsible for installing and servicing commercial security products including intrusion, access control, and video, and fire systems.Position Responsibilities:Install and service commercial security devices/systems including intrusion...Work at office
Synergy Staffing
San Antonio, TX22 hours ago - ...Lead TechnicianThis position is responsible for performing inspections, diagnoses, and repairs of heavy equipment and/or related equipment... ...and/or demonstrated job relevant knowledge/skills. A Lead Technician has a broad knowledge of the field's standard and technical...
HOLT Industrial Rentals
San Antonio, TX1 day ago - ...Lead TechnicianWe are seeking an experienced and motivated Lead Technician to manage and guide a team of 10–30 technicians on infrastructure projects within a fast-paced data center environment. This position requires strong leadership, technical skills, and a proactive...Work at officeShift workNight shiftWeekend work
Archetype Permanent Solutions
San Antonio, TX3 days ago - Ryder is seeking a Permanent Full Time Experienced Mobile Diesel Technician to support our Truck Fleet in San Antonio, Texas. The role includes serving as a mobile mechanic, performing preventive maintenance, diagnostics, and major engine repairs on heavy- and medium-duty...Weekly payPermanent employmentFull timeFlexible hours
- ...Advancement Opportunities Flexible Scheduling Competitive Compensation Job Summary We are looking for an Automotive Technician to join our successful up and coming service center. As an Automotive Technician, you will be responsible for diagnosing and...Flexible hours
Midas
San Antonio, TX23 days ago - Kirk NationaLease in San Antonio, TX is seeking experienced Diesel/Trailer Mechanics to join our full-service shop. You’ll perform preventative... ...weekly pay plus a $1,000 sign-on bonus, referral bonus, and a technician bonus program. ASE certification assistance, life insurance,...Weekly payRelocation packageDay shift
- Torrey Holistics is seeking a mobile diesel technician to diagnose diesel engines at customer sites in the San Antonio area. You will perform diagnostics, preventive maintenance, and repairs to keep vehicles and equipment operating efficiently. The role requires hands-on...
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