Ordnance Helper
U.S. Coast Guard
Posted: February 13, 2026 (2 days ago)
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U.S. Coast Guard
Department of Homeland Security
Location
Baltimore, Maryland
Salary
$24.50 - $28.58
per hour
Type
Full-Time
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This job involves helping experienced mechanics maintain, repair, and install military weapon systems on Coast Guard vessels, using tools to work on guns, fire control systems, and related equipment.
It's an entry-level role where you'll assist with simpler tasks and learn on the job, often under supervision.
A good fit would be someone with basic mechanical skills, a willingness to learn, and interest in hands-on work in a military or technical environment.
This vacancy is for aWG-6641-5, Ordnance Helper located in the Department of Homeland Security, U.S. Coast Guard, OFFICE OF NAVAL ENGINEERING in WASHINGTON, District of Columbia.
Applicants will be evaluated on their ability to perform the duties of the position rather than the length of experience.
Eligibility will be determined by the relevance, scope, and quality of all experience and training, regardless of where or how acquired.
Applicants will be rated and ranked based on their knowledge of the following job elements: 1. Ability To Do The Work Of The Position Without More Than Normal Supervision (Screen-out Element)2.
Knowledge of Equipment Assembly, Installation, Repair etc.3. Technical Practices (theoretical, precise, artistic) 4. Use of Measuring Instruments 5.
Ability To Interpret Instructions, Specifications, etc. (includes blueprints reading) 6. Ability To Use and Maintain Tools and Equipment 7.
Trouble shooting National Service Experience (i.e., volunteer experience): Experience refers to paid and unpaid experience, including volunteer work done through National Service programs (e.g., Peace Corps, AmeriCorps) and other organizations (e.g., professional; philanthropic; religious; spiritual; community, student, social).
Volunteer work helps build critical competencies, knowledge, and skills and can provide valuable training and experience that translates directly to paid employment.
You will receive credit for all qualifying experience, including volunteer experience. Major Duties:
You will assist a journeyman ordnance equipment mechanic with work that cannot be handled alone and also performs less difficult tasks alone.
Being a civilian working for the Coast Guard makes you a valuable team member.
Typical duties includes: - Using power and hand tools common to the trade, while working with other employees on the following systems: MK 75 Gun Weapon System, MK 38 Mod1, 2, and 3 Machine Gun System, and MK 92 Fire Control Systems, Mk110 57mm, (CIWS 20mm) Gun & loading system, and Decoy Launching systems (Mk137 and Nulka).
- Maintaining and repairing procedures on ordnance systems which the YARD or AGENCY has been tasked. - Installing and connecting hydraulic, electrical and mechanical weapon systems to test stands.
- Performing any work assigned for the maintenance, repairing, and pretesting of components at assembling level to help senior mechanics determine their compatibility with the complete weapons system.
Mandatory training is required which must be successfully completed and other training may occur as necessary for success in the position.
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