Aircraft Mechanic I

Amentum company; Mayport (FL); On-site; USD 75,000 - 86,000; Full time

Job summary

Amentum is seeking an Aircraft Mechanic I in Mayport, FL, to troubleshoot and repair aircraft structures, engines, and systems. You will perform overhauls and component replacements, read manuals, and ensure safety and quality standards are met.

The role requires extensive hands-on work, adherence to procedures, and the ability to operate power tools and lifting equipment in a shop environment. Equal opportunity employer; clearances may apply.

Qualifications

• Three years of actual and recent aircraft, vehicle or missile, or related weapon system experience required.
• Thorough knowledge of technical publications related to aircraft, missile, or wheeled and tracked vehicle maintenance mandatory.
• Must have knowledge of the scope and limitation of various categories of maintenance and their application to the contract unit.
• Must know theory and principles of engine operations; accessories and components; theory of flight; rigging of flight controls; electrical and electronic; pneudraulic; and mechanical principles.
• Knowledge of sheet metal, properties of materials, fuels, and oils required.
• Read, interpret and use manufacturers and aircraft maintenance manuals, service bulletins, blueprints, wiring/schematic diagrams, data tables and other specifications to determine feasibility and method to repair or replace malfunctioning or damaged components.
• Must be able to inspect, repair, and operate ground support and auxiliary equipment.
• Must possess and maintain a valid driver’s license and be able to operate a government general-purpose vehicle.
• Note: US Citizenship is required for facility credentials/authorization at this work location.

Responsibilities

• Services, repairs and overhaul equipment and engines.
• Repairs, replaces, and rebuilds equipment and engine components, fuel systems and metering control systems.
• Diagnose malfunctions, isolate causes and correct breaks.
• Test engine operations and use testing equipment to locate faults.
• Remove and reinstall engines and major components using lifting devices.
• Disassemble and inspect parts for wear or defects.
• Repair or replace defective engine components and reassemble on weapon systems and vehicles.
• Adjust or replace instruments, electrical/electronic, fuel/oil systems and accessories.
• Perform vehicle services including engine flush, lubrication and maintenance checks.
• May specialize in repair and modification of engines and components.

Skills

Aircraft experience

Maintenance knowledge

Technical publications

Engine theory

Ground support operations

Valid driver's license

Facility credentials

US Citizenship

Tools

Hand tools

Power tools

Welding equipment

Rivet gun

Drills

Testing equipment

Job description

Purpose and Scope:

The Aircraft Mechanic I troubleshoots malfunctions in aircraft structure, landing gear, flight surfaces and controls, anti-icing, pneudraulic, engines, auxiliary power unit, and ventilation and heating systems.

Essential Responsibilities:

Services, repairs and overhaul equipment and engines. Repairs, replaces, and rebuilds equipment and engine components, fuel systems (including cells, tanks and fuel/metering control systems), and functional components using hand tools, power tools, welding equipment, rivet gun, and drills. Inspects and repairs power plants (engines) malfunctions, including cracked components, oil leaks, etc. Diagnoses malfunctions, isolate causes and correct breaks. Test engine operations, using testing equipment to locate source of malfunction. Replaces and repairs damaged components, uses hand tools, gauges, and tests equipment. Removes engine and major components from equipment, using hoist or other lifting devices. Disassembles and inspects parts for wear, warping, or other defects. Repairs and replaces defective engine components and reassemble and install engine on weapon systems and vehicles. Adjusts, repairs, or replaces instruments, electrical/electronics, fuel/oil systems and accessories. Performs vehicle services, including engine flush/cleaning, parts lubrication, and maintenance checks. May service engine components operations making repairs and overhaul, required to ensure safe operating condition. May specialize in repair and modification of engines, structural components, precision repair, functional spare parts, and assemblies. Recommends revisions to maintenance procedures to improve efficiency and ensure quality workmanship.

Minimum Position Knowledge, Skills and Abilities Required:

• Three (3) years’ actual and recent aircraft, vehicle or missile, or related weapon system experience required; five (5) years desired.
• Thorough knowledge of technical publications related to aircraft, missile, or wheeled and tracked vehicle maintenance mandatory.
• Must have knowledge of the scope and limitation of various categories of maintenance and their application to the contract unit.
• Must know theory and principles of engine operations; accessories and components; theory of flight; rigging of flight controls; electrical and electronic; pneudraulic; and mechanical principles.
• Knowledge of sheet metal, properties of materials, fuels, and oils required.
• Read, interpret and use manufacturers and aircraft maintenance manuals, service bulletins, blueprints, wiring/schematic diagrams, data tables and other specifications to determine feasibility and method to repair or replace malfunctioning or damaged components.
• Must be able to inspect, repair, and operate ground support and auxiliary equipment.
• Must possess and maintain a valid driver’s license and be able to operate a government general-purpose vehicle.
• Must be able to obtain and maintain facility credentials/authorization. Note: US Citizenship is required for facility credentials/authorization at this work location.

Work Environment, Physical Demands, and Mental Demands:

Work is performed in a shop environment that is moderately lighted, heated and ventilated, is exposed to disagreeable fumes and to cuts and bruises from using tools in close placed and hazards of moving vehicles such as forklifts and sweepers in shop area. While performing the duties of this job, the employee is regularly required to stand; use hands to finger, handle, or feel; and talk or hear. The employee frequently is required to walk; reach with hands and arms; and stoop, kneel, crouch, or crawl and work in tiring and uncomfortable positions. The employee is occasionally required to sit, climb or balance, and taste or smell. Frequently lifts items weighing 15-25 pounds and occasionally in excess of 45 pounds.

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.

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.

Compensation Details:

$37.83

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:

09/30/2026 - 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.