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Removes and installs aircraft subsystem assemblies such as engines, rotors, gearboxes, transmissions, mechanical flight controls and their components. Services and lubricates aircraft and subsystems. Prepare aircraft for inspections and maintenance checks. Performs scheduled inspections and assists in performing special inspections. Performs limited maintenance operational checks and assists in diagnosing and troubleshooting aircraft subsystems using special tools and equipment as required. Uses and performs operator maintenance on tools, special tools and aircraft ground support equipment. Prepare forms and records related to aircraft maintenance. Removes and disassembles defective parts of the aircraft. Maintains the supplies and perform preventive maintenance. Performs additional duties including maintenance duties, as requested. Adheres to company policies and safety programs (Safety-first mentality) Minimum Requirements High School Diploma or equivalent is required. U.S. military technical school or specialized training course is desired; certification of education level is required. Valid up-to-date A&P license (optional ) Shall have three years aviation maintenance experience, two years rotary wing aircraft experience, and two years on the assigned Mission Design Series (MDS). All experience must be within the six most recent years. Valid Driver's License. Must provide own tools/toolbox. Recruiters will provide toolbox requirements to candidates upon selection. Minimum tool list and compliance of toolbox must be completed prior to start date. Clearance Requirements Must be able to obtain and maintain a NACI(T1) Public Trust Security Clearance. Must be able to obtain and maintain facility credentials/authorization. US Citizenship is required for facility credentials/authorization to work at this facility. Knowledge & Skills Thorough knowledge of aircraft systems on the assigned MDS. Basic knowledge of aircraft unique tools such as test equipment, torque wrenches, dial indicators, micrometers, hydraulic press machine, and those listed in the assigned MDS Maintenance Allocation Chart (MAC). Working knowledge of technical publications and Logistics Information Systems. Able to prioritize workloads to maintain schedules on assigned projects Possess the level of experience to inspect all required aeronautical type maintenance to be performed by aircraft mechanic. The incumbent receives technical guidance, as required, from supervisor or higher-level technician, will occasionally be required to lead teams through more complex aircraft relevant tasks, and may be required to make entries in aircraft logs and records. Physical Requirements/Working Environment Must be able to walk and stand on level and/or inclined surfaces for extended periods throughout the day. Must be able to climb stairs, ramps, ladders, and work stands. Must be able to crouch, crawl, grasp or handle objects, use finger dexterity, bend elbow/knee and reach above/below shoulders. May be required to lift/push/pull heavy objects whose weight may exceed 50 pounds. Must be able to type using a standard keyboard to communicate through e-mail and various software applications. Will handle dirty parts and lubricants. Will be required to wear proper Personal Protective Equipment (PPE). Must be able to pass a Respirator Physical and Fit Test qualification. May be required to operate power vehicles, machinery, hand tools, ground support equipment, forklift, etc. May work in maintenance shop or outside. Must be able to work in a shop where the environment is drafty, noisy, and dirty. May be exposed to extreme noise from operating equipment. May be exposed to electrical shock hazards or work near moving mechanical parts or vehicles. May be expected to work in austere environments and all-weather conditions.

Compensation Details:

41.03 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:

09/11/2026 - 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. 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Find & Apply For Aircraft / A & P Mechanic Jobs in Helena, Montana

Aircraft Mechanic I (UH-60 Specialty) CBA Helena, MT

A & P Mechanic