1. Careers

Your suggestion is on its way!

An email with a link to:


was emailed to:

Thanks for sharing About.com with others!

Marine Corps (USMC) Enlisted Job Descriptions
MOS 9999, Sergeant Major-First Sergeant
 More of this Feature
• USMC Job Descriptions
• Army Job Descriptions
• Army Warrant Officer Jobs
• Army Officer Job Descriptions
• USMC Officer Job Descriptions
• Air Force Job Descriptions
• Navy Job Descriptions
• Coast Guard Job Descriptions
• Air Force Officer Jobs
 Join the Discussion
Talk About Military Jobs  
 Related Resources
• Joining the Military
• Enlistment Qualifications  
 Elsewhere on the Web
• Joining the Air Force
• Joining the Army
• Joining the Navy
• Joining the Marines

Note: The Marine Corps does not currently use Special Identifier MOS's (Field 98 through 99) for enlisted Marines. They were eleminated in 2006 and 2007. The below Special Identifier MOS information is maintained here for historic purposes, only. For a list of current Marine Corps enlisted MOS's in use, see our Marine Corps Enlisted Job Information Pages.

Summary. Assists the commander as senior enlisted Marine in the unit. Acts as principal enlisted assistant to the commander. Keeps apprised of all policies of the commander. Disseminates information to the unit's enlisted personnel regarding such policies. Reports to the commander on the status of matters pertaining to the efficient operation of the command. Counsels subordinate unit noncommissioned officers as required to improve the general effectiveness of the command. Interviews and counsels enlisted personnel on pertinent professional and personal matters which may affect the efficiency of the command. Assists the commander in the conduct of office hours, requests mast, and meritorious mast. participates in ceremonies, briefings, confer commander. Assists in supervision of clerical and administrative matters; training functions and the employment of the command in garrison and in the field; logistic functions such as billeting, transportation, and messing; inspections and investigations; personnel management; and daily routine. Assumes other duties designated by the commander.


(1) Must have requested to be considered for 1stSgt on latest fitness report by typing an "F" in block 2.g.

(2) Possess those qualities of leadership which tend to elicit from subordinates unquestioned cooperation and obedience under any circumstances or situations.

(3) Possess sufficient training, schooling (formal or OJT) to act independently as principal enlisted assistant in all administrative, technical, and tactical matters in a unit.

(4) Possess an exemplary degree initiative, sound judgment, industry, and dignity of demeanor.

(5) Exhibit strong ability to read and interpret regulations, communicate verbally and in writing, and research all matters affecting personnel.

(6) Have exhibited a consistent and exemplary standard of military appearance, physical fitness, and personal discipline.

(7) PME requires completion of the career course (either residency or non-residency) and advance course (residency and non- residency), as well as, the warfighting skills program.

(8) Have demonstrated ability to lead groups of Marines of at least squad size.

(9) Have demonstrated ability to function in an independent environment or have successfully completed a tour in a "B" billet (e.g., DI, Recruiting, MSG).


(1) SgtMaj and 1stSgt:

(a) Communicates ideas effectively at all levels.

(b) Possesses to the highest degree the faculty for working in harmony with officers, other noncommissioned officers, and civilians.

(c) Possesses a comprehensive understanding of Marine Corps organization, missions, and staff procedures in units of Company level.

(2) SgtMaj:

(a) Possesses an extensive knowledge of Marine Corps staff procedures, organizations, and missions of units higher than company level.

(b) Possesses a comprehensive understanding of staff procedures and interorganization relationships including interservice organization and relationships at the highest levels.

Related DOT Classification/DOT Code

(1) Manager, Personnel 166.117-018.

(2) Senior Enlisted Advisor 166.167-042.

Information Derived From MCO P1200.7V Part I and Part II.

Return to USMC Jobs Menu


Subscribe to the Newsletter

©2016 About.com. All rights reserved.