Heavy Vehicle Mechanic

Amentum

17h

About The Position

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, backhoe, 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. Perform 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. Perform operator care such as washing, vacuuming, and cleaning. Performs routine inspection and maintenance on vehicles such as checking oil, water, and tires. Ensures proper care and maintenance of equipment; promotes continuous improvement of workplace safety and environmental practices. Administrative Responsibilities: Collects vehicle and equipment data; conducts 100% inventory annually. Engages with customers and mission partners on maintenance status weekly. Coordinate parts and services with vendors daily. Inputs data in maintenance system and perform work order processing in computerized maintenance management system daily (i.e. MAXIMO and DPAS). Perform other duties as assigned. 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. Must be 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 Must be able to speak, read and write English. Must be able to obtain and maintain a Public Trust U.S. Government Clearance. NOTE: U.S. Citizenship is required to obtain a Public Trust Clearance. Work Environment, Physical Demands, and Mental Demands: 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. When performing work, responsible for adhering 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. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks, and serving on safety committees and teams. Quality - Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities. 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 Details: Hourly + SCA Stipend 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: Our health and welfare benefits are designed to support you and your priorities. Offerings include: Health, dental, and vision insurance Paid time off and holidays Retirement benefits (including 401(k) matching) Educational reimbursement Parental leave Employee stock purchase plan Tax-saving options Disability and life insurance Pet insurance Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits. Original Posting: 02/27/2026 - 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. This timeline may change based on business needs. Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters. Welcome back! We encourage you to check on the status of your current job applications with us. You can also search for a list of our current job openings and see if there are any new positions that might be a good fit for you. Thank you for continued interest in employment with Amentum. For more than 100 years, Amentum has tackled the world’s toughest challenges to deliver agile and steadfast solutions to the U.S. government and its allies. With more than 50,000 employees on all seven continents and in more than 60 countries, Amentum delivers a broad range of operational support services to meet the critical needs of our clients. Our headquarters are in Chantilly, VA. Find us online at https://www.amentum.com/ If you need a reasonable accommodation for any part of the employment process, please contact us by email at [email protected] and let us know the nature of your request and your contact information. Requests for accommodation will be considered on a case-by-case basis. EEO including Disability/Protected Veterans Labor Laws Posters Amentum has become aware of unauthorized individuals who are falsely using the Amentum name and /or logo in an attempt to solicit fees from potential job seekers. These deceptive and unauthorized individuals are soliciting money, promising placement in a position with Amentum. Please note any communication requesting any amount of money in exchange for employment with Amentum is fraudulent. These communications do not originate from Amentum and are not associated with the recruitment process. Amentum and its affiliates never charge candidates fees or payments of any kind in order to secure employment. As a precaution, we recommend you do not disclose personal or financial details to anyone as a response to an unsolicited email, social media, or dating website request. Amentum will never as ask for a placement fee or any other fee to expedite the hiring process. If you are contacted by anyone offering employment with Amentum, you should never be asked to pay a fee for recruiting. Amentum personnel will always send email from an identifiable corporate account (ending in @amentum.com) and never from a public email account like Yahoo!, Google, Gmail, or Hotmail. If you are contacted regarding a fraudulent employment proposal, we encourage you to alert your local law enforcement agency/police authority. To read more about Amentum’s commitment to ethics, please click here.

Requirements

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.
Must be experienced in the repair of major systems.
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.
Must be able to speak, read and write English.
Must be able to obtain and maintain a Public Trust U.S. Government Clearance.
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.
Must have normal color vision.

Nice To Haves

Prefer motor vehicle air conditioning certification and experience.
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

Responsibilities

Conducts Mobile Maintenance duties.
Replace and repair hydraulic lines, pneumatic equipment, air conditioning systems, wheels/tires, wipers, and light bulbs.
Perform 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.
Perform operator care such as washing, vacuuming, and cleaning.
Performs routine inspection and maintenance on vehicles such as checking oil, water, and tires.
Ensures proper care and maintenance of equipment; promotes continuous improvement of workplace safety and environmental practices.
Collects vehicle and equipment data; conducts 100% inventory annually.
Engages with customers and mission partners on maintenance status weekly.
Coordinate parts and services with vendors daily.
Inputs data in maintenance system and perform work order processing in computerized maintenance management system daily (i.e. MAXIMO and DPAS).
Perform other duties as assigned.
Each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks, and serving on safety committees and teams.
Each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts.
Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities.
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.