Diesel Mechanic Heavy Duty

Otherfull-time·San Francisco Bay Area, CA·healdsburg / windsor
$33 to $43 per hour
full-timemid level

Mechanic, Welder & Registered Tank Inspector

Description

Now Hiring: Heavy Duty Diesel Mechanic

Opperman & Son, Inc. | Healdsburg, CA

Build Your Career with the West Coast's Leading Used Truck & Trailer Dealership

For more than 60 years, Opperman & Son, Inc. has been a trusted leader in the tanker and heavy-duty truck industry. As a fourth-generation family-owned company, we've earned a reputation for quality workmanship, integrity, and unmatched industry expertise. Located in beautiful Healdsburg wine country, we are proud to be recognized as the West Coast's premier used truck and trailer dealership.

We're looking for an experienced heavy duty diesel mechanic.

Essential Duties and Responsibilities:

The Diesel Mechanic reports to the Service Manager. Primary responsibilities include repair and maintenance of heavy-duty diesel trucks including but not limited to engine diagnostics, rebuilds, R&R, electrical, computer, transmissions, differentials, clutches, pumps, brakes, hydraulics, air systems, etc.:

Always enforce and follow safety policies and procedures

Diagnose mechanical problems; repairs and rebuilds
Review diagnosis with management and agree on repairs to be made
Communicate with management when repairs are needed beyond the original diagnosis
Maintain daily records of time spent on each piece of equipment through time cards
Provide completed parts requisitions to parts counter person for parts needed
Remove, cleans, repairs, reinstall and adjust all vehicle components upon completion
Performs minor welding repairs
Maintain immediate shop area used to be clean and free from safety hazards
Replace all company tools used to the proper storage area
Other duties as assigned

Education:

High School diploma or GED
Secondary Training or Education

Language Skills:

English required
Spanish a plus

Qualifications:

Minimum of 3 years heavy duty diesel truck repair experience

Must have your own tools up to 1 inch
Must have basic knowledge, skill, and ability to operate an oxy-acetylene torch and arc welder
Basic reading, writing, and arithmetic skills required

Computer Skills:

PC diagnostics

Certificates, Licenses, Registrations:

Certifications in Brakes, Lights, and A/C preferred
Forklift Certification (within 90days of hire)

Work Requirements:

Adhere to all safety rules, including the handling of hazardous materials
Repeated walking, bending, stooping, crawling, balancing, kneeling, crouching, and use of stools and ladders.
Able to lift up to 75 pounds.
Work on feet (stand or walk) for the assigned work shift
Must be willing to work flexible hours, including weekends, and in extreme weather/temperature conditions.

Work Environment:

While performing the duties of this job the employee is exposed to moving mechanical parts, fumes, and airborne particles.

Job Type: Full-time

Benefits:
401(k)
401(k) matching
Dental insurance
Employee discount
Flexible spending account
Health insurance
Life insurance
Paid time off
Professional development assistance
Referral program
Retirement plan
Tuition reimbursement
Vision insurance

Schedule:
8 hour shift
Day shift
Monday to Friday
Occasional overtime and Saturday

High school or equivalent (Required)

Experience:
Writing skills: 1 year (Required)
Math: 1 year (Required)
Automotive diagnostics: 2 years (Required)
Truck repair: 8 years (Required)

Contact

Posted Jul 14, 2026 (17 hours ago)