Careers Career Paths USMC List of Military Occupational Specialties (MOS) Marine Enlisted Career Fields Share PINTEREST Email Print Marines. getty Career Paths US Military Careers Technology Careers Sports Careers Sales Project Management Professional Writer Music Careers Media Legal Careers Government Careers Finance Careers Fiction Writing Careers Entertainment Careers Criminology Careers Book Publishing Aviation Animal Careers Advertising Learn More By Stewart Smith Stewart Smith Author, Strength and Conditioning Specialist, Former Navy SEAL Officer US Naval Academy Stew Smith, CSCS, is a Veteran Navy SEAL Officer, freelance writer, and author with expertise in the U.S. military, military fitness, and its traditions. Learn about our Editorial Process Updated on 06/06/19 Like the Army, the Marines break their enlisted jobs down into MOS's, or "Military Occupation Specialties." In the Marine Corps, the MOS's are FOUR digit codes used to organize and designate the variety of jobs and skills offered in the USMC. The Marines group MOS's with similar functions together into groups called "Occupational Fields" and are represented by the first TWO digits of the MOS. Below are the first two digits of the MOS. These identify a grouping of related MOSs. Job codes are identified in the last two digits and represent a specific job within that field. The first job you receive in the Marine Corps will be earned after boot camp and may involve advanced operator training and education. It will be called the Primary Marine Occupational Special (PMOS). As your career advances and you perform more advanced training, you may also earn additional MOS’s. An Additional MOS (AMOS), a Skill Designator, or Category II MOS denote special skills assignments and duties performed during a special tour or training program. For example, a job within the third MOS (03) is the Infantry career field. The code 0311 is a Rifleman, the code 0321 is a RECON Marine, and the MARSOC Code is the 0372 (Critical Skills Operator). The creation of the 0372 MOS was a response to the desire of MARSOC Marines to remain at MARSOC with an MOS that would allow them a Special Operations dedicated career path. New Changes to Some Military Occupational Specialties Previously, the Marines who qualified as a MarSOC Marine Raider had to go back to the regular Marine Corps jobs for career advancement. Many went back to Infantry or RECON MOS, but now if a Marine so chooses, he/she can stay at Marine Special Operations Command throughout their enlistment. Now officers can do the same thing. Marine Officers especially had to go back to previous pipeline jobs such as infantry or artillery for instance. Now, after a Marine does three to four years active duty, he/she is eligible for MarSOC for the rest of their career. Below are the occupational fields for Marine Corps enlisted jobs. Click on each field number for a listing of each MOS (job) that falls within that field: 01 -- Personnel and Administration 02 -- Intelligence 03 -- Infantry 04 -- Logistics 05 -- Marine Air-Ground Task Force (MAGTF) Plans 06 -- Communications 08 -- Field Artillery 09 -- Training 11 -- Utilities 13 -- Engineer, Construction, Facilities, and Equipment 18 -- Tank and Assault Amphibious Vehicle 21 -- Ground Ordnance Maintenance 23 -- Ammunition and Explosive Ordnance Disposal 26 -- Signals Intelligence/Ground Electronic Warfare 27 -- Linguist 28 -- Ground Electronics Maintenance 30 -- Supply Administration and Operations 31 -- Traffic Management 33 -- Food Service 34 -- Financial Management 35 -- Motor Transport 41 -- Marine Corps Community Services 43 -- Public Affairs 44 -- Legal Services 46 -- Combat Camera 55 -- Music 57 -- Chemical, Biological, Radiological and Nuclear Defense 58 -- Military Police and Corrections 59 -- Electronics Maintenance 60/61/62 -- Aircraft Maintenance 63/64 -- Avionics 65 -- Aviation Ordnance 66 -- Aviation Logistics 68 -- Meteorology and Oceanography 70 -- Airfield Services 72 -- Air Control/Air Support/Anti-air Warfare/Air Traffic Control 73 -- Navigation Officer/Enlisted Flight Crews 80 -- Miscellaneous Requirements MOSs Click the above Occupational Fields to find the exact four digit MOS you are looking for. There are hundreds of jobs the military has that may interest you. Do your research and learn about your future profession options by reading the job descriptions/programs/education available to recruits and active duty and reservist members of the military. Your efforts into researching your future profession can go a long way to you enjoying and getting the most out of your military career and training. Also consider where these Marines do their training (what base?) and where you may live after you qualify with your MOS. Many have a preference to where they would like to live in the military. Being flexible, considering overseas duty, and other world travel maybe a major part of your life while in the military. Depending on your job, you could also be states bound and not deploy often.