Transportation Motor Vehicle Mechanic

Amentum is a global leader in advanced engineering and innovative technology solutions, trusted by the United States and its allies to address their most significant and complex challenges in science, security and sustainability. Our people apply undaunted curiosity, relentless ambition and boundless imagination to challenge convention and drive progress. Our commitments are underpinned by the belief that safety, collaboration and well-being are integral to success.

Amentum is currently seeking a Transportation Motor Vehicle Mechanic to support a government contract based in Jacksonville, Florida at Mayport.

POSITION SUMMARY

Performs duties described in the Service Contract Act Service Order Transportation Motor Vehicle Mechanic . May perform duties of other classifications that have a pay rate equal to or lower than the employee’s current rate.

DUTIES / ESSENTIAL FUNCTIONS

The Motor Vehicle Mechanic repairs, rebuilds, or overhauls major assemblies of internal combustion automobiles, buses, trucks or tractors. Work involves most of the following: Diagnosing the source of trouble and determining the extent of repairs required; replacing worn or broken parts such as piston rings, bearings, or other engine parts; grinding and adjusting valves; rebuilding carburetors; overhauling transmissions; and repairing fuel injection, lighting, and ignition systems. In general, the work of the Motor Vehicle Mechanic requires rounded training and experience usually acquired through a formal apprenticeship or equivalent.

- Keeps equipment available for use by inspecting and testing vehicles; completing preventive maintenance such as, engine tune-ups, oil changes, tire rotation and changes, wheel balancing, replacing filters.
- Maintains vehicle functional condition by listening to operator complaints; conducting inspections; repairing engine failures; repairing mechanical and electrical systems malfunctions; replacing parts and components; repairing body damage.
- Verifies vehicle serviceability by conducting test drives; adjusting controls and systems.
- Comply with state vehicle requirements by testing engine, safety, and combustion control standards.
- Maintains vehicle appearance by cleaning, washing, and painting.
- Maintains vehicle records by recording service and repairs.
- Keeps shop equipment operating by following operating instructions; troubleshooting breakdowns; maintaining supplies; performing preventive maintenance; calling for repairs.
- Keeps supplies ready by inventorying stock; placing orders; verifying receipt.
- Updates job knowledge by participating in educational opportunities; reading technical publications.
- Accomplishes maintenance and organization mission by completing related results as needed.

Marginal Functions: Performs GSA calls for approval of repairs. Submits Purchase Requisitions to Material Expeditor. Safely operate shop equipment. Performs other duties as requested.

QUALIFICATIONS / EDUCATION / EXPERIENCE

- Certificate/License/Registration: ASE Certification
- Forklift Operator Certification
- NAVFAC P300

- Lifting, Energy Level, Dependability, Persistence, Time Management, Attendance, Independence, Safety Management, Problem Solving, Dealing with Complexity, Analyzing Information. Must supply own tools to perform work.
- Must be able to obtain and maintain facility credentials/authorization. Note: US Citizenship is required for facility credentials/authorization at this work location.

PHYSICAL REQUIREMENTS

- Lifting: Up to 50 lbs, 25%
- Climbing: occasionally required to perform repairs and inspections
- Crawling: occasionally required to perform repairs and inspections
- Special clothing/equipment (wearing): Slip resistant hardened toe shoes, safety glasses, hearing protection in designated areas, 100%
- Unusual physical requirements: Sitting (50%), Standing (75%), Bending (25%), stooping (25%)
- High noise level: 25%
- Personal Protective Equipment will be required.

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 job.

Compensation Details:
36.06

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:
10/13/2026 - 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 .