Field Service Mechanic — Heavy-Duty Trucks (DFW)

Assembly Systems, Inc.; Grand Prairie (TX); On-site; USD 55,000 - 69,000; Full time

Benefits offered by this job

Uniforms supplied

Tool program

Tuition assistance

Health, dental, vision

Paid PTO

Holidays

401K with company match

Long/Short term disability

Life Insurance

Virtual health care

PPE reimbursement

Pet insurance

Employee discounts

Employee assistance program

Well-being screening

Job summary

Interstate Assembly Systems is seeking a Field Service Mechanic to service heavy‑duty trucks across the Dallas–Fort Worth Metroplex. The role requires hands‑on troubleshooting of mechanical, hydraulic, and electrical systems with significant daily travel and possible overnight stays.

Pay ranges from $40.00 to $50.00 per hour depending on experience. A company vehicle, laptop, and cell phone will be provided.

Qualifications

• Minimum 3–5 years of experience on heavy-duty trucks or equipment.
• Proven repair skills for hydraulic systems, cranes, welders, and air compressors.
• Strong knowledge of diesel engines, electrical systems, and diagnostics.
• Welding and fabrication skills (MIG, TIG, stick) advantageous.
• Valid driver’s license; CDL a plus.

Responsibilities

• Perform routine maintenance and inspections on heavy-duty trucks and integrated systems.
• Diagnose and repair mechanical, hydraulic, electrical, and pneumatic issues on trucks and equipment.
• Weld and fabricate components as needed for repairs or modifications.
• Operate and test cranes for safety and functionality.
• Address client service calls with timely solutions in the field.

Skills

Heavy-duty trucks

Hydraulic systems

Cranes

Welding

Air compressors

Diesel engines

Electrical systems

Diagnostics

CDL (optional)

Tools

MIG welding

TIG welding

Job description

Interstate Assembly Systems is seeking a Field Service Mechanic to service heavy‑duty trucks across the Dallas–Fort Worth Metroplex. The role requires hands‑on troubleshooting of mechanical, hydraulic, and electrical systems with significant daily travel and possible overnight stays.

Pay ranges from $40.00 to $50.00 per hour depending on experience. A company vehicle, laptop, and cell phone will be provided.