Sr Mobile Diesel Mechanic Tuesday - Saturday

Cox; Columbia (SC); On-site; USD 44,083 - 66,124; Full time

Benefits offered by this job

Paid weekly salary

Health insurance

401(k) matching

Tuition assistance

Uniforms provided

Career advancement training

Job summary

Cox is seeking a Sr. Mobile Diesel Technician to conduct licensed DOT inspections, preventative maintenance, and advanced mechanical diagnostics on a mobile/field fleet. The role includes leading other mobile diesel technicians and serving as a site consultant for customers.

You will perform complex repairs, manage parts, document repairs, and ensure compliance with DOT and safety regulations while working Tuesday through Saturday.

Qualifications

• Requires HS diploma/GED with 5 years related experience (or 3 years with higher degree/certification).
• Must supply set of hand tools.
• Obtain ASE T8 (PMI) within 18 months.
• Obtain 608/609 certification within 18 months.

Responsibilities

• Perform PM, DOT inspections, and repairs on light–heavy trucks in mobile/field environment.
• Diagnose and repair electrical, braking, cooling, engine, and hydraulic systems.
• Use diagnostic tools and road-test vehicles to verify repairs and safety compliance.
• Manage parts inventory and prepare repair estimates and orders.

Skills

Problem solving

Physical stamina

Communication

Tool selection

Distance estimation

Analytical reasoning

Education

High School Diploma or GED

Tools

Hand tools

Diesel tools

Diagnostic instruments

Job description

Shift

Tuesdays – Saturdays

About the Role

The Sr. Mobile Diesel Technician will perform licensed DOT inspections, preventative maintenance inspections, light and advanced repairs, advanced mechanical/hydraulic/electrical diagnostics, and other duties as assigned. They act as a consultant on customer sites and lead mobile diesel technicians.

Duties

• Perform scheduled preventative maintenance (“PM”), DOT inspections and follow-up repairs on light, medium and heavy-duty vehicles in a mobile/field environment.
• Perform minor adjustments and repairs on truck equipment (electrical, brake, cooling systems, starters, alternators, fan clutches, engine electronics, diesel steering, engines, transmissions, clutch, differentials, etc.).
• Diagnose, adjust and repair truck equipment, including electrical, brake, cooling systems, starters, alternators, air conditioning, fan clutches, engine electronics, diesel steering, engines, transmissions, clutch, differentials, etc.
• Inspect, test, and use diagnostic instruments to identify malfunctions.
• Road test vehicles to confirm proper operation.
• Identify problems and evaluate alternative solutions using judgment.
• Manage parts inventory, reconcile company‑issued equipment.
• Maintain, operate and pre/post‑trip inspect company‑issued service vehicle.
• Work with clients to assess needs, provide assistance and resolve issues.
• Prioritize assigned tasks and allocate time effectively.
• Use hand tools, precision instruments, diesel tools, welding equipment, lift and jacks.
• Document work on Repair Orders using iOS device and TRAIT application.
• Accurately complete DOT forms and other required documentation.
• Work independently, manage daily schedule.
• Maintain productivity within standard repair times.
• Obtain parts from approved vendors as needed.
• Communicate with management via email or phone for repair estimates and purchase orders.
• Perform all work in compliance with safety, health, environmental, OSHA, EPA, and DOT regulations.

Requirements

• High School Diploma/GED with 5 years of related experience (alternatives: degree/certification beyond HS diploma/GED with 3 years, or 7 years experience).
• Possess and supply a set of hand tools necessary for job duties.
• Obtain Automotive Service Excellence (ASE) certification T8 (PMI) within 18 months.
• Obtain 608/609 certification within 18 months.
• Pass DOT‑regulated pre‑employment background screening and DOT physical; a valid DOT medical card with ≥4 months remaining may replace the physical.
• Must be 21 years or older due to interstate operating authority regulations.
• Valid state driver’s license and ability to maintain a Driver Qualification File.

Required Certifications (within 18 months)

• ASE T8 (PMI) certification
• ASE 608/609 certification

Preferred Certifications

• ASE T2 (Diesel Engines)
• ASE T3 (Drivetrain)
• ASE T4 (Brakes)
• ASE T5 (Suspension)
• ASE T6 (Electrical and Electronic Systems)
• ASE T7 (HVAC)
• ASE A8 (Engine Performance)
• ASE L1 (Advanced Engine Performance Specialist)
• ASE L2 (Electronic Diesel Engine Diagnosis Specialist)

Skills & Abilities

• Apply new information to problem‑solving and decision‑making.
• Lift, bend, climb, stand, and walk for long periods; perform moderately heavy labor.
• Tolerate repetitive tasks and prolonged physical activity.
• Communicate information succinctly and organize ideas; engage in effective two‑way communication.
• Select appropriate tools and equipment.
• Accurately judge distances or relative positions of objects.
• Use logic and reasoning to evaluate alternative solutions.

Benefits & Perks

• Paid weekly salary.
• Safe driving and technician efficiency bonuses.
• Reimbursement for safety boots and glasses.
• Extreme weather gear (cold & hot).
• Uniforms provided with laundry service where available.
• Take service truck home daily.
• Company laptop and cellphone.
• Technical training for career advancement.
• Dedicated career path – over 50% of front‑line managers promoted internally.
• Health, dental, vision insurance starting day one.
• 401(k) matching up to 6% plus discretionary match.
• Paid time off: up to 200 hours (5 weeks) based on tenure.
• Tuition assistance/reimbursement.
• Adoption/surrogacy assistance.
• Pet insurance.
• Multiple employee resource groups, diversity groups, and company‑paid volunteer hours.
• Employee discounts on vehicle purchases, cellphone plans, ridesharing, insurance, fitness incentives, etc.
• Additional paid leave: bereavement, voting, jury duty, volunteer time, military, parental.

Compensation

Hourly pay range: $32.26 – $48.41 per hour. Base rate may vary by location and candidate qualifications. Additional compensation may include commission (annual, monthly, etc.) and/or incentive programs.

EEO Statement

EOE, including disability/vets