USMC Field Radio Operator (MOS 0621) Job Description

Job Details, Requirements and Civilian Related Certifications

Military Communications
Getty Images/Peter Beck

Information derived from MCBUL 1200, parts 2 and 3, SOC Degree Network System and Marine Corps COOL website.

Field radio operators identify personnel who employ radio to send and receive messages. Typical duties include the set up and tuning of radio equipment including antennas and power sources; establishing contact with distant stations; processing and logging of messages; making changes to frequencies or cryptographic codes; and maintaining equipment at the first echelon.

USMC MOS 0621 Job Details and Requirements

  • Must possess an Electronics Repair, Missile Repair, Electronics and Communications (EL) score of 90 or higher.
  • Complete the Field Radio Operator Course at MCCES 29 Palms, CA.
  • Must possess a valid state driver's license.
  • Must be a U.S. citizen.
  • Must have a secret security clearance.

Type of MOS: PMOS

Rank Range: Sgt to Pvt

Related Department of Labor Occupation Codes: Radio/Telephone Operator 193.262-034

Related Marine Corps Jobs: Airborne Radio Operator/Loadmaster, 7382.

Civilian Credentials Related to Field Radio Operator

In the Marine Corps, credentials, such as certifications and licenses, are part of training. Credentials show that you meet important standards in your USMC job, but also that your skills are on par with those required in the civilian world. Credentials help you translate your military training and experience into resume-ready qualifications that employers can easily recognize.

Having the credentials that are required for jobs in your field makes you more competitive in the job market and more likely to get hired. This makes transitioning back to civilian employment smoother.

These credentials are related to the field radio operator's training and may require additional education, training or experience.

  • Associate Electronics Technician (CETa)
  • Certified Electronics Technician - Associate-Level
  • Certified Satellite Installer (CSI)
  • Communications Site Installation Inspector (CSII)
  • General Communications Technician - Level 1 (GCT1)
  • General Radiotelephone Operator License (PG)
  • Line and Antenna Sweep (LAS)
  • Wireless Communications Electronics Technician (WCM)

Servicemembers Opportunity Colleges Degree Network System

In addition to obtaining certifications in your field, advanced education is another way to enhance job performance. One option for advanced education is through the Servicemembers Opportunity Colleges Degree Network System (SOC DNS). 

The SOC Degree Network System (DNS) consists of degree-granting colleges and universities that have adopted policies outlined in the Voluntary Education Partnership Memorandum of Understanding (MOU) to help servicemembers and their adult family members earn college degrees. 

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