Heavy Vehicle Mechanic

Purpose and Scope

The Heavy Vehicle Mechanic operates, repairs, maintains, and function tests heavy power construction equipment such as compressors, pumps, hoists, shovels, trucks, tractors, graders, bulldozers, front-end loaders, scrapers, motor graders, skid steers, backhoes, dump trucks, and various flightline support vehicles and associated equipment.

Essential Responsibilities

• Conducts Mobile Maintenance duties.
  • Replace and repair hydraulic lines, pneumatic equipment, air conditioning systems, wheels/tires, wipers, and light bulbs.
• Performs heavy equipment maintenance activities including installation, repair, troubleshooting, diagnostics, and preventive maintenance.
  • Disassemble and reassemble engines and mechanical units to inspect and diagnose parts using computerized test equipment, calibration devices, gauges, etc.
  • Replace and rebuild hydraulic cylinders, valves, planetary drive units, suspensions, springs, bushings, and kingpins, seals, and bearings.
• Performs operator care such as washing, vacuuming, and cleaning.
  • Ensures proper care and maintenance of equipment; promotes continuous improvement of workplace safety and environmental practices.
• Performs routine inspection and maintenance on vehicles such as checking oil, water, and tires.
  • Engages with customers and mission partners on maintenance status weekly.
  • Collaborates with vendors for parts and services daily.
  • Inputs data in maintenance system and performs work order processing in computerized maintenance management system daily (i.e. MAXIMO and DPAS).

Minimum Position Knowledge, Skills, and Abilities Required

• High school diploma or equivalent.
• Two (2) to Five (5) years of experience in operating and maintaining heavy equipment.
• Licensed or trained to operate applicable items of heavy equipment.
• Experienced in the repair of major systems.
• Prefer motor vehicle air conditioning certification and experience.
• Specialized knowledge and skills in diesel and heavy automotive repair and maintenance.
• Skilled in replacing major components and parts on construction equipment.
• Practical understanding of theory of hydraulics (Pascal Theory), pulley, and gear ratio.
• Ability to read and understand schematics, blueprints, and technical drawings.
• Knowledge of diagnostics and ability to conduct technical research on the computer.
• Prefer knowledge of US military heavy vehicles and equipment, Material Handling Equipment (MHE), OSHA, American National Standards Institute (ANSI), American Society of Mechanical Engineers (ASME), military regulations standards, and Original Equipment Manufacturer (OEM) requirements.
• Able to speak, read, and write English.
• Able to obtain and maintain a Public Trust U.S. Government Clearance.

Special Requirements

• NOTE: U.S. Citizenship is required to obtain a Public Trust Clearance.
• Physical requirements include prolonged standing, moderate walking, repeated bending, and climbing, overhead work, working in cramped positions, lifting, pulling and pushing weights up to 100 pounds.
• Good vision (corrected or uncorrected) and good hearing (with or without a hearing aid) required.
• Will work inside and outside in various weather conditions, subject to rapid changes in temperature due to nature of work.
• Hazards include danger from gas fumes, falls, electric shock and burns, cuts and bruises.
• Must have normal color vision.
• Must be able to adhere to environmental, safety, and health standards related to the activity, including the wearing of all Personal Protective Equipment (PPE).
• Must cease work and notify lead, supervisor, or manager of all unsafe conditions.

Other Responsibilities

• Safety - Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment.
• Quality - Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction.
• Procedure Compliance - Each employee must read, understand, and implement the general and specific operational, safety, quality and environmental requirements of all plans, procedures and policies pertaining to his/her job.

Compensation & Benefits

This is an hourly, overtime-eligible position that falls under the Service Contract Act (SCA). In accordance with the Health and Welfare provisions of the SCA, and in addition to your base hourly rate, you may be eligible to receive an additional health and welfare payment for each hour you work to ensure compliance with the minimums set forth by the act. The amount you are entitled to receive will vary depending upon the fringe benefits you select now and in the future.

Compensation Details:

• Hourly
• The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Benefits Overview

• Health, dental, and vision insurance
• Paid time off and holidays
• Retail benefits (including 401(k) matching)
• Educational reimbursement
• Parental leave
• Employee stock purchase plan
• Tax-saving options
• Disability and life insurance
• Pet insurance

Original Posting

Original Posting: 06/02/2026 - Until Filled

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting.