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Job description
Service Technician / Diesel Mechanic
We are seeking an experienced Service Technician / Diesel Mechanic with at least 5+ years of experience working on medium- and heavy-duty trucks. This role requires strong diagnostic skills, hands-on mechanical expertise, and the ability to efficiently identify and repair a wide range of equipment issues.
Technicians will work on truck chassis, diesel engines, hydraulics, electrical systems, and truck-mounted utility equipment.
Key Responsibilities
Diagnose, repair, and replace worn or damaged components on vocational and utility trucks
Perform preventative maintenance and detailed inspections
Troubleshoot mechanical, hydraulic, and electrical systems
Service truck-mounted equipment including boom trucks, bucket trucks, diggers, dump trucks, service trucks, forestry equipment, and aerial devices
Use diagnostic software and scan tools to identify faults and performance issues
Complete and maintain accurate service and repair records
Submit work orders for approval and ensure repair costs are tracked accurately
Follow all safety procedures and attend monthly safety meetings
Perform additional duties as assigned
Core Competencies
Strong diesel engine diagnostics and repair (mechanical & electrical)
Preventative maintenance and visual inspections
Proficient with diagnostic software and scan tools
Ability to interpret fault codes, engine data, and system performance
Working knowledge of diesel engines, drivetrain, hydraulics, and electrical systems
Technical Experience
Cummins INSITE diagnostic software
Detroit Diesel DiagnosticLink (DDDL)
OEM and aftermarket diagnostic tools
Electrical and hydraulic troubleshooting
Basic Qualifications
High school diploma or equivalent
Experience with diesel, medium/heavy-duty trucks, or related equipment (construction, agriculture, military)
General mechanical aptitude (hydraulics, electrical, heavy equipment)
Basic computer skills and ability to document repair activity
Valid driver's license
Must supply own tools
Preferred Qualifications
Vocational/Technical training or Military Wheeled Mechanic experience
3+ years of utility truck or heavy equipment repair experience
CDL Class A or B (preferred)
Work Schedule & Physical Requirements
Monday–Friday, day shift; overtime as needed (occasional Saturdays)
Ability to lift and move tools/equipment
Frequent bending, stooping, kneeling, and standing
High level of manual dexterity required
Compensation & Benefits
Competitive pay based on experience
Health benefits including dental and vision
401(k) with company match
Paid time off Vacation, Sick, Holidays
Tool discount program
STEP Technician Training Program and career advancement opportunities
Custom Truck One Source is an Equal Opportunity Employer and provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.
Please note that we do not offer sponsorship for work authorization. Only candidates authorized to work in United States without the need for sponsorship will be considered for this position.
Worksite address
orlando, FL, 32885, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.