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 entry-level role involves helping experienced mechanics maintain, repair, and install weapon systems on Coast Guard vessels, using tools to work on guns, fire control systems, and related equipment.
It's a hands-on job in a team setting at a naval engineering office, ideal for someone with basic mechanical skills who wants to learn on the job and contribute to national security.
A good fit would be a reliable beginner with some trade experience or volunteer work in repairs, eager for mandatory training to grow into more complex tasks.
This vacancy is for a WG - 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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