Mechanic

DeWitt Transportation Services of Guam; Tamuning (GU); On-site; USD 42,000 - 68,000; Full time

Benefits offered by this job

FSA Medical and Dependent Accounts

401(k) Plan

Paid Time Off

Paid Holidays

Pay commensurate with experience

Job summary

DeWitt Guam is seeking a skilled Diesel Mechanic to service and repair our fleet across heavy-, medium-, and light-duty vehicles. You will diagnose engines, transmissions, hydraulics, and electrical systems, keeping precise service records.

Responsibilities include preventive maintenance, troubleshooting, tool use, and complying with OSHA/DOT/EPA standards. DBIDS eligibility and the ability to lift heavy objects are required.

Qualifications

• Proficient with computer diagnostic software.
• Ability to solve complex electrical problems and read electrical schematics.
• Must be able to obtain DBIDS.
• Welding knowledge is a plus.
• Capacity to lift heavy objects and work extended hours.

Responsibilities

• Repair and maintain engines, transmissions, differentials, turbochargers, and fuel systems.
• Service Class 8 trucks and various duty vehicles; tune and maintain engines and hydraulics.
• Record all work orders and track parts usage; use diagnostic programs.
• Ensure compliance with OSHA, DOT, and EPA safety standards.

Skills

Diagnostic software

Electrical schematics

DBIDS eligibility

Welding knowledge

Physical strength

Job description

About Us:

DeWitt Guam operates a diverse fleet across the island and is committed to safety, reliability, and efficiency in transportation and logistics. We value skilled professionals who take pride in maintaining vehicles and equipment at the highest standards. Join our team and help keep our fleet running smoothly.

Position Overview:

We are seeking a skilled Diesel Mechanic to service, repair, and maintain our fleet vehicles and equipment. This role involves hands‑on work with diesel engines, transmissions, drive trains, hydraulics, and electrical systems across heavy‑duty, medium‑duty, and light‑duty vehicles. The ideal candidate is detail‑oriented, safety‑conscious, and able to work independently while maintaining accurate service records.

Key Responsibilities:

Engine and Transmission Repair

• Repair and maintain engines, transmissions, differentials, turbochargers, and fuel system components.
• Service Class 8 trucks (Freightliner, Peterbilt, Mack, International), medium‑duty, trailer, and light‑duty vehicles.
• Tune and maintain fleet engines and equipment, including forklifts, scissors lifts, hydraulics, and pumps.
• Perform all types of engine, brake, drive train, electrical, and A/C repairs.

Fleet Maintenance and Record Keeping

• Record all work orders.
• Maintain accurate records of service, repair, and parts usage.
• Use diagnostic programs and OEM resources for engines, hydraulic systems, and brake systems.

Equipment and Troubleshooting

• Service machinery and mechanical equipment, performing preventive maintenance and repairs.
• Troubleshoot breakdowns and maintain operational readiness.
• Ensure equipment operates efficiently by following instructions, maintaining supplies, and calling for external repairs when needed.

Regulatory Compliance

• Adhere to OSHA, DOT, and EPA safety and regulatory standards.

Qualifications:

• Proficient with computer diagnostic software.
• Ability to solve complex electrical problems and read electrical schematics.
• Must be able to obtain DBIDS.
• Physical ability to lift, carry, push, and pull heavy objects, often exceeding 50 pounds.
• Stamina to stand, crouch, and kneel for extended periods.
• Ability to climb ladders or scaffolding and work under vehicles.
• Personal tools required; large/specialty tools provided.
• Willingness to travel locally for vehicle repairs if needed.
• Welding knowledge preferred.
• Strong independent work ethic and problem‑solving skills.
• FSA Medical and Dependent Accounts
• 401(k) Plan
• Paid Time Off
• Paid Holidays
• Pay commensurate with experience

DeWitt Guam is an equal opportunity employer.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws.For further information, please review the Know Your Rights notice from the Department of Labor.