Heavy Equipment Mechanic, CDL (OGM 3rd Shift)

Amentum; Colorado; On-site; USD 44,000 - 50,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

Paid time off

Retirement benefits (401(k) matching)

Educational reimbursement

Parental leave

Employee stock purchase plan

Disability and life insurance

Pet insurance

Job summary

Aimentum is seeking a Heavy Equipment Mechanic to perform repairs and preventive maintenance on heavy machinery in accordance with military and contractor standards. The role requires diagnosing defects, replacing engines and subassemblies, welding, and following Technical Manuals.

The candidate should have at least five years' experience in heavy machinery maintenance, a valid CDL A, and the ability to work in a team in various environments, potentially including extended shifts and outdoor

Qualifications

• Must have at least five years' recent experience in heavy machinery maintenance including three years in field work as per contract requirements.
• Ability to understand engine operations and accessories and components.
• Valid state driver’s license and the ability to operate a government vehicle.

Responsibilities

• Operates and inspects machines or equipment to diagnose defects.
• Dismantles and reassembles equipment using Technical Manuals, lifting devices, hand and pneumatic tools.
• Examines parts for damage or excessive wear using micrometers and gauges.
• Replaces defective engines and subassemblies, such as transmissions, and tests overhauled equipment.
• Welds broken parts and structural members.
• Performs tasks in accordance with the applicable Technical Manual for the vehicle and assigned work.
• May direct workers in cleaning parts and assisting with assembly and disassembly.
• May recommend revisions to internal maintenance procedures to improve efficiency and quality.

Skills

Engine maintenance

Heavy equipment repairs

Diagnostics

Measuring tools

Welding

Technical manuals

Teamwork

Documentation

Safety compliance

Education

High school diploma or equivalent

Tools

Hand tools

Pneumatic tools

Micrometers

Gauges

Forklift certification

CDL Class A

Job description

The Heavy Equipment Mechanic performs a variety of repairs and services to maintain heavy equipment. These duties require an understanding of intermediate heavy equipment maintenance.

Essential Responsibilities:

• Operates and inspects machines or equipment to diagnose defects
• Dismantles and reassembles equipment, using Technical Manuals, lifting devices, hand and pneumatic tools
• Examines parts for damage or excessive wear, using micrometers and gauges
• Replaces defective engines and subassemblies, such as transmissions, and tests overhauled equipment to insure operating efficiency
• Welds broken parts and structural members
• Performs all work in accordance to the applicable Technical Manual for the vehicle and work assigned.
• May direct workers engaged in cleaning parts and assisting with assembly and disassembly of equipment.
• May recommend revision to internal maintenance procedures to improve efficiency and ensure quality workmanship within Army regulations.
• Must be able recognize and know proper usage of a variety of tools.
• Perform all other position related duties as assigned or requested.

Minimum Position Knowledge, Skills, and Abilities Required:

• Must be able to obtain and maintain facility credentials/authorization. Note: US Citizenship is required for facility credentials/authorization at this work location.
• High school diploma or equivalent.
• Five or more years’ recent experience and specific knowledge in heavy machinery maintenance through verifiable on the job experience to include 3 years recent experience in the field consistent with the requirements set forth in the contract.
• Must know theory and principles of engine operations and accessories and components.
• Must have or be able to obtain site forklift and other licenses/certifications as needed to perform duties.
• Must have a valid and current state driver’s license.
• Must be able to operate a government general-purpose vehicle
• Must be able to inspect, repair, and operate a diverse range of vehicles
• Must be able to complete paperwork associated with vehicle maintenance and repairs.
• Must be able to manipulate and use hand tools and hydraulic equipment
• Must possess knowledge and proper use of special tools/equipment required to perform assigned maintenance tasks.
• Must possess basic computer skills
• Must have the ability to read, interpret, and apply Technical Manual instructions, publications, and safety rules.
• Must be able to read, interpret and use vehicle maintenance manuals, service bulletins, wiring/schematic diagrams, data tables and other specifications to determine feasibility and method to repair or replace malfunctioning or damaged components.
• Must have the ability to write routine reports and correspondence.
• Position may require the ability to pass and maintain a Security Clearance.
• Position may require travel.
• Must hold a Class A CDL and maintain during employment. Those without a current CDL A may be allowed to obtain within 90 days of start of employment.
• Must be able to meet physical requirements associated with and/or pass any medical examination requirements related to performing daily assigned tasks or required licenses/certifications
• Ability to work in a team environment

Preferred Position Knowledge, Skills, and Abilities:

• Maintenance and repair of military tactical vehicles, as well as, lawn mower (push, riding, zero turn), ATV, side by side, HMMWV, light wheeled trailers, LMTV, FMTV, medium wheeled trailers, HEMMIT, HET, heavy wheeled trailer, forklift, M88, M113, construction equipment, and emergency vehicles
• ASE and/or Diesel Mechanic Certifications
• Experience in field repairs and recovery

Work Environment, Physical Demands, and Mental Demands:

• Must be able to lift 50 lbs with or without accommodation.
• Must utilize all proper lifting procedures and practices.
• Must wear appropriate Personal Protective Equipment (PPE)
• Must be able to work at heights.
• Must be able to climb in and out of vehicles of various sizes and heights
• Must be able to work under pressure and strenuous conditions.
• Must be able to meet short suspense dates.
• Must be able to conduct work in the out-of-doors area with potential exposure to extreme climatic conditions (i.e. extreme temperatures, high humidity, rain and blowing dust).
• Must be able to withstand prolonged periods of stooping; climbing; standing; and sitting for long periods of uninterrupted time.
• May require shift work.
• May be required to work an uncommon tour of duty including nights, weekends, and holidays.
• During the usual work period, the worker may be exposed to sounds and noise levels that are distracting and uncomfortable.

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:

US: $33.66

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
• Retirement benefits (including 401(k) matching)
• Educational reimbursement
• Parental leave
• Employee stock purchase plan
• Tax-saving optionsDisability 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:

10/03/2026 - 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.