The Gunsmith III can design, fabricate, modify, repair and service foreign and domestic firearms, weapons and accessories. Essential Responsibilities: Possesses required knowledge in the use of hand tools, machine tools, and other equipment necessary to perform assigned duties, has the knowledge and skill to design and construct prototype small arms from drawings or customer input Capable of designing computer prototypes from customer input, has necessary knowledge of munitions and ballistics to accomplish assigned tasks Thorough understanding of, and can instruct in external/internal and terminal ballistics, can build custom pistols and rifles, as well as other types of weapons systems with no supervision, and has a thorough understanding of machine tools and equipment Works from blueprints without supervision, design, fabricate and develop prototype small arms systems from a drawing or form customer input, work to Special Repair Facility Level maintenance, and can design computer prototypes from customer input Consults with government officials in all facets concerning the Weapons Department, such as, but not limited to, indoor/outdoor range design, ammunition fundamentals ballistics, weapons mounts, suppressors, optic systems, prototype development and reverse engineering projects, and performs direct supervision and training of subordinate gunsmiths. Direct the day to day weapons maintenance operations of the Arms Room. Accountability of all sensitive items and accessories, preparation for shipment, receipt, handling, turn-in and storage. IAW AR 190-11. Ensures that equipment received is stored in the proper location and documentation is posted in AWRDS within the required time. Locate, retrieve and issue weapons to maintenance for service or repair ensuring the proper documentation is correct and the weapons are signed over to authorized personnel. Maintain accountability of weapons accessories, which include ensuring all BII & AAL is on hand, or on ordered. Ensures that weapons are properly received, tagged and secured in order to maintain positive control. Maintain the storage area in clean and orderly fashion. Ensure weapons are store in a configuration designated by management and maintained. Plan, prioritize and execute weapon repair missions as directed by the Supervisor. Service and repair US military firearms IAW TM’s. Properly document services performed. Verify that all services performed are properly documented. Apply FAM’s, MAM’s, SOUM’s and MWO’s as required. Direct and conduct packing operations for outbound shipments as directed by the Logistics Manager or Storage Supervisor. Locate, retrieve and issue/transport weapons for turn-in or issue in accordance with MROs, Taskers or directives from management. Receive, store, and sort unserviceable equipment and supplies for turn-in. Verify, and sort, incoming weapons for storage. Enforce all security requirements under AR 190-11, 13 & 51 and other applicable security requirements. Examine and inspect storage crates and racks for serviceability. Compile and maintain reports on location changes, issues, receipts, and shipping. Move or transports weapons or supplies to other sections (as necessary), using Pallet Jack, Forklift or industrial truck. Ensure all movements of sensitive items are record in AWRDS Maintain inventory and other stock records for material, equipment, and product stored, i.e. Barrel, BII and Plates. Performs all other position related duties as assigned or requested. Minimum Position Knowledge, Skills, and Abilities: Must be able to obtain and maintain facility credentials/authorization. Note: US Citizenship is required for facility credentials/authorization at this work location. Attendance at a formal one to two year accredited in-house gun-smiting course, or equivalent work experience. Four (4) years of experience in the repair of US military small arms to include crew served weapons and have been working in an Armorer position within the last 2 years. Must have a valid certificate for MOS schools and/or GSA/OEM Factory Certifications as stipulated below in Preferred Applicant should be thoroughly familiar with US military Technical Manuals. Must have or be able to obtain licenses/certifications as needed to perform duties. Must have a valid and current state driver’s license. Must be able to complete paperwork associated with the position as required Excellent written communications skills Must possess working knowledge of word processing and integrated software applications Ability to perform detail oriented work as required Must have the ability to write routine reports and correspondence. Must have the ability to pass and maintain a Security Clearance. Position may require travel. Ability to work in a team environment Preferred Position Knowledge, Skills, and Abilities Required: Experience working with U.S. Army combat and tactical equipment preferred. Valid US Army MOS 45 Bravo, 93 Juliet or USMC MOS 2111 certificate and/or GSA/OEM Factory Armorer certifications for required weapons 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: $30.94 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: 10/23/2026 - 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 complete our Accommodation Request. Requests for accommodation will be considered on a case-by-case basis. If you need assistance, please reach out to [email protected] 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.

Gunsmith III (Small Arms).

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