Automotive Service Diagnostic Technician

Job overview

The Automotive Service Diagnostic Technician role is onsite in Lewes, DE, at the dealership premises. Compensation is not specified. The technician joins Preston Automotive Group’s service department, working with vehicles across makes and models. The role diagnoses, troubleshoots, and repairs vehicles, helping the service department deliver accurate repairs and prioritize safety-critical work. It also supports coordination with service advisors and other technicians through clear communication and dependable workmanship.

What you'll do

• Diagnose and repair vehicles across makes and models
• assess electrical, drivability, emissions, and onboard computer systems
• use OEM and aftermarket scan tools and diagnostic equipment
• interpret diagnostic codes, wiring diagrams, and repair manuals
• perform module programming, coding, and software updates
• conduct vehicle inspections and prioritize safety-critical repairs
• support junior technicians as needed.

What we're looking for

Skills & competencies

automotive service diagnostic technician

automotive diagnostics

vehicle repair

electrical systems

emissions systems

scan tools

ase certification

lewes de

preston automotive group

five-day work week

evenings and weekends

Work arrangement

• Weekend coverage required

Benefits & perks

• Listed benefits include medical, dental, and vision insurance, a 401(k) with company match, paid time off including a birthday day off, employee discounts, career advancement, and ongoing training.

Why this role

The posting specifies a five-day work week and says scheduled shifts include evening hours, weekends, and holidays.

About the employer

Preston Automotive Group is hiring for this role. Industry: General Automotive Repair. Sector: 81.