Interstate Companies, Inc.

Overview

Interstate Assembly Systems is seeking a skilled Field Service Mechanic to maintain heavy-duty work trucks in the Southern California region. This hands-on role involves troubleshooting mechanical, hydraulic, and electrical issues to ensure minimal downtime for clients.

Responsibilities

• Conduct routine maintenance and inspections on heavy-duty work trucks and their integrated systems.
• Diagnose and repair mechanical, hydraulic, electrical, and pneumatic issues on trucks and attached equipment.
• Perform welding and fabrication tasks as needed to repair or modify truck components.
• Operate and test cranes to ensure proper functionality and safety compliance.
• Service and maintain air compressors and other auxiliary equipment.
• Respond to client service calls in the field, providing timely and effective solutions.
• Document all service work, including parts used, time spent, and detailed repair notes.
• Adhere to safety standards and regulations, including OSHA and DOT requirements.
• Collaborate with clients to explain repairs and provide recommendations for preventative maintenance.

Requirements

• Minimum of 3-5 years of experience as a mechanic working on heavy-duty trucks or equipment.
• Proven expertise in repairing hydraulic systems, cranes, welders, and air compressors.
• Strong knowledge of diesel engines, electrical systems, and heavy-duty vehicle diagnostics.
• Welding and fabrication skills (e.g., MIG, TIG, stick welding) preferred.
• Ability to read and interpret technical manuals, schematics, and diagnostic codes.
• Valid driver’s license required; CDL (Commercial Driver’s License) is a plus.
• Comfortable working independently in the field and in various weather conditions.
• Excellent problem-solving skills and attention to detail.
• Physical ability to lift to 50 lbs. and work in confined spaces as needed.
• Certification in crane operation, welding, or heavy equipment repair is an advantage.

Benefits

• Competitive Wages
• Uniforms
• Tuition Assistance
• Health Insurance
• Dental
• Vision
• PTO
• Holidays
• 401K
• Long Term Disability
• Short Term Disability
• Life Insurance
• Virtual Health Care
• PPE Reimbursement
• Pet Insurance
• Employee Discounts
• Paid Employee Assistance Program
• Paid Health and Well-being screening

Additional Information

• Position Location: Bakersfield, CA – San Diego, CA.
• A company service vehicle, laptop and cell phone will be provided.