Data systems chiefs perform advanced systems installation, operation, integration, and troubleshooting in order to maintain optimum information systems operations. They are responsible for planning and supervising the installation, configuration, and maintenance of all information systems and network services, including the Defense Message System (DMS), in both a garrison and deployed environment.

As an instructor, I was charged with completing all training requirements required for instructor personnel in order to be proficient with the subject matter and to be able to properly develop students.I ensured the welfare and needs of student personnel meet standards to include living conditions, uniform requirements, academic materials, and administrative requirements. At one point we revised and made recommendations to course materials to enhance student development. Maintained an orderly classroom environment and operational training equipment. Implemented Operational Risk Management in accordance with Standard Operating Procedures. Manage all instructional processes and maintained the integrity of all course test materials. Ensured battalion and company policies and orders were enforced. Managed my classes training schedule and notify the chief instructor if the classfalls behind schedule. Assisted the Course Coordinator, Chief Instructor, and/or CSTS Administrative Assistant with any information required for Graduation Packages. Ensured required instructor evaluations and instruction hours are documented.

The recruiter must be thoroughly familiar with the enlistment process from applicant prospecting to preparation for recruit training. Recruiters work in an environment external to the normal Marine Corps post, station, and Fleet Marine Force environments. Typical functions of the recruiter include preliminary screening and administrative processing, scheduling physical examinations, completion of enlistment documents, and maintaining accurate records. Recruiters also provide the community with Marine Corps publicity material and assist in civic events. They are stationed at recruit depots, recruiting stations, Military Enlistment Processing Stations (MEPS), and recruiting substations throughout the United States and some overseas locations.