Careers Career Paths US Marine Corps Field 28, Data/Communications Maintenance Enlisted Jobs and Qualification Factors Print Jim Sugar / Getty Images 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 Rod Powers Rod Powers Air Force NCO Academy Rod Powers was a retired Air Force First Sergeant with 22 years of active duty service. Learn about our Editorial Process Updated on 06/25/19 The ground electronics maintenance OccFld includes the installation, diagnosis, repair, adjustment, modification, and calibration of electronic equipment and systems used by Marine Corps ground forces. The equipment and systems include various types of communications hardware, data terminals, cryptographic devices, ground radar, nuclear, biological and chemical detection electronics, unmanned aerial vehicle electronics, and a wide range of test equipment and calibration devices. Qualifications to work in this field include manual dexterity, normal color vision, be eligible to hold a secret security clearance, the ability to understand highly technical material, and to comprehend somewhat complex mathematical and logic principles. Types of entry-level jobs available include work as a ground communications systems repairer, ground radio intermediate repairer; telephone systems/personal computer intermediate repairer, TMDE technician, and artillery electronics technician. Formal schooling is provided to all Marines entering this field. In general, entry-level training consists of basic electronics and an equipment-oriented phase at either a Marine Corps school or another service school. Advancing from the entry-level MOS will involve either related supervisory/technical level training or a lateral move to another MOS within the field. Billets for data/communications maintenance personnel are found throughout the Marine Corps but are concentrated within units having specific electronic or service support missions. Marines in this field may serve within division or wing units, communication battalions, MLG, or at a depot affecting the complete overhaul of electronic equipment. Instructor billets are found at the formal schools. Marines entering this field will be assigned MOS 2800, Basic Ground Electronics Maintenance Marine. Marine Corps Enlisted Military Occupation Specialties Below are the Marine Corps Enlisted Military Occupation Specialties which are organized under this occupational field: 2821 -- Technical Controller Marine 2822 -- Electronic Switching Equipment Technician 2823 -- Technical Control Chief 2827 -- Tactical Electronic Reconnaissance Process/Evaluation Systems (TERPES) Technician 2831 -- AN/TRC-170 Technician 2834 -- Satellite Communications (SATCOM) Technician 2844 -- Ground Communications Organizational Repairer 2846 -- Ground Radio Intermediate Repairer 2847 -- Telephone Systems/PersonalComputer Intermediate Repairer 2848 -- Tactical Remote Sensor System (TRSS) Maintainer 2862 -- Electronics Maintenance Technician 2871 -- Test Measurement and Diagnostic Equipment Technician 2874 -- Metrology Technician 2881 -- 2M/ATE Technician 2887 -- Artillery Electronics Technician 2891 -- Electronics Maintenance Chief