Sr Mobile Diesel Mechanic $5000 New Hire Bonus

Cox Fleet, one of the nation’s largest fleet maintenance companies headquartered in Indianapolis, is hiring a Sr. Mobile Diesel Technician. The role involves on‑site mobile maintenance and repair for light, medium, and heavy‑duty trucks and trailers, supporting customers through 24/7 call‑center coordination and nationwide service centers.

Responsibilities

• Perform scheduled preventative maintenance (PM), DOT inspections, and follow‑up repairs on light, medium, and heavy‑duty vehicles in a mobile/field environment.
• Adjust and repair truck equipment such as electrical, brake, cooling systems, starters/alternators, fan clutches, engine electronics, diesel steering, engines (gas and diesel), transmissions (manual and automatic), clutches, differentials, and air‑conditioning systems.
• Diagnose, adjust, and repair the same equipment categories using handheld computers, pressure gauges, and other test instruments.
• Road‑test vehicles to verify repairs and proper operation.
• Identify problems, evaluate information, and generate alternative solutions using sound judgment.
• Independently manage parts inventory and equipment on the company‑issued service truck, performing periodic reconciliations.
• Maintain and operate the service vehicle, conducting safety checks and pre‑/post‑trip inspections.
• Communicate effectively with clients to assess needs, provide information, resolve issues, and meet expectations.
• Prioritize concurrent tasks and allocate time efficiently.
• Use hand tools, precision instruments, diesel tools, welding equipment, lifts, and jacks.
• Document work according to company standards, uploading photos, parts used, and findings on Repair Orders via a company‑issued iOS device and the TRAIT application.
• Complete DOT forms and all required documentation promptly.
• Maintain high productivity, adhering to standard repair times.
• Obtain parts from approved vendors as needed.
• Coordinate with management and support teams for repair estimate approvals, purchase order numbers, and RO notes.
• Perform all work in compliance with OSHA, EPA, DOT, and other safety, health, and environmental regulations.

Requirements

• High School Diploma/GED plus 5 years of related experience (or equivalent combination of education and experience).
• Possession of a personal set of hand tools required for the job.
• Obtain ASE T8 (PMI) certification within 18 months.
• Obtain ASE 608/609 certifications within 18 months.
• Ability to pass a DOT‑regulated pre‑employment background screening and DOT physical (or provide a current DOT medical card with > 4 months remaining).
• Must be at least 21 years old due to interstate operating authority regulations.
• Valid state driver’s license and ability to maintain a Driver Qualification File.

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

• Interpret new information for current and future problem‑solving and decision‑making.
• Physical stamina to lift, bend, climb, stand, walk, and perform moderately heavy labor for extended periods.
• Effective two‑way communication with individuals and groups.
• Determine appropriate tools and equipment for tasks.
• Accurately judge distances and spatial relationships.
• Apply logic and reasoning to evaluate alternative solutions and approaches.

Benefits

• Paid weekly.
• Safe‑driving and technical efficiency bonuses.
• Reimbursement for safety boots, safety glasses, and extreme‑weather gear.
• Uniforms with laundry service where available.
• Company service truck taken home daily (fuel savings).
• Laptop and company cellphone provided.
• Technical training and career advancement opportunities; over 50 % of front‑line managers promoted from within.
• Health, dental, and vision insurance effective day 1.
• 401(k) matching: 100 % match up to 6 % contribution plus an additional 2 % discretionary company contribution.
• Up to 200 hours (5 weeks) of paid time off based on tenure, plus 6.67 hours of PTO each month and seven paid holidays.
• Tuition assistance/reimbursement.
• Adoption and surrogacy assistance.
• Pet insurance.
• Employee resource groups, diversity initiatives, and company‑paid volunteer hours.
• Discounts on new vehicle purchases, cellphone plans, ridesharing, home/rental insurance, wellness/fitness programs, and more.
• $5,000 new‑hire bonus (50 % after 30 days, 50 % after 180 days).

Compensation

Hourly pay rate ranges from $32.26 to $48.41, dependent on location, knowledge, skills, and abilities. The position may also be eligible for additional compensation such as commissions or incentive programs.