Marine Corps Enlisted Job Descriptions

MOS 0151 Administrative Clerk - Duties and Requirements

An administrative clerk aboard Marine Corps Base Camp Lejeune

Pfc. Nik S. Phongsisattanak

The U.S. Army and the U.S. Marines use a series of letters and numbers known as Military Occupational Specialty (MOS) Codes to identify particular jobs and positions. The inclusion of "01" in any code designates personnel and/or administrative positions. The last two digits identify a specific job. MOS 0151 was assigned to the administrative clerk position until June 2010. 

The position was then integrated into MOS 0111, the administrative specialist, along with two other positions: MOS 0121, the personnel clerk, and MOS 0193, the personnel/administrative chief. This information regarding MOS 1051 is maintained for historical reference.

This was a PMOS type of MOS, and the rank range was from Sergeant to Private. 

Duties and Responsibilities of MOS 0151—Administrative Clerk 

Administrative clerks performed clerical and administrative duties, including postal service, incident to general and operational administration. They used both manual and automated information systems. Typical duties consisted of:

  • The preparation of naval correspondence and messages
  • Preparation and maintenance of directives
  • Preparation of travel orders
  • Completion of general administrative requirements such as leave authorizations and identification cards
  • Preparation and maintenance of command punishment books

Other duties performed sometimes overlapped those performed by personnel clerks. These included auditing field service records, verifying information contained in unit diary feedback reports and/or personnel management reports, preparation of discharge and retirement documents, and verifying the accuracy of information contained in the Marine Corps Total Force System (MCTFS) databases.

Administrative clerks were also sometimes assigned to support the administration of military justice to staff level billets and to perform duties within a Classified Material Control Center (CMCC), or in the unit's mailroom.

Job Requirements 

MOS 0151 was assigned upon completion of the Administrative Clerk course or upon demonstrating satisfactory performance during MOJT.

Administrative clerks were required to have knowledge of the Marine Corps Total Force System and Marine Corps standard word processing and database software packages. Typing and communications skills were required. Recruits seeking to enter this field received basic administration Marine training before moving on to other specialized billets. 

Applicants were required to possess a GT score of at least 100. They were required to complete the Administrative Clerk Course conducted at Camp Lejeune, North Carolina. In lieu of this requirement, they may have demonstrated MOS qualification through job performance.

Applicants for the current position of MOS 0111, the administrative specialist, must meet much of the same requirements, including a CL score of 100 or higher. 

Related Department of Labor Occupation Codes 

  • Administrative Clerk 219.362-010
  • Clerk, General 209.562-010
  • Office Clerk 209.567-022

Related Marine Corps Jobs

  • Personnel Clerk, 0121. This position was also merged into MOS 0111 in June 2010. These personnel acted as personnel and pay input clerks for the MCTFS. 
  • Personnel/Administrative Chief, MOS 0193. This position was also merged into MOS 0111 in June 2010. 
  • Postal Officer, MOS 0160
  • Personnel Officer, MOS 0170
  • Manpower Information Systems Analyst, MOS 0171

Much of the above information derived from MCBUL 1200, parts 2 and 3.