Marine Corps · MOS history

0670 Data Systems Engineering Officer

MOS 0670 was renamed Systems and Infrastructure Engineer Officer. The code continues under the new title.

Current use of this code: 0670 Systems and Infrastructure Engineer Officer. The events below describe historical classifications.

Codes named in this history

Documented history

Data Systems Engineering Officer

A Data Systems Engineering Officer analyzes, designs, deploys, and manages services that support command and control. Typical duties include mission planning, procurement, quality control, and advanced technical analysis during the planning, installation, operation, maintenance, and secure integration of enterprise data systems and applications.

2026-10-01 is the FY27 officer MCTFS batch-conversion date specified in NAVMC 1200.1M paragraph 2001.1b.

  • This is a same-code title change, not cancellation of the specialty.
Source extraction notes

MOS 0670 was renamed Systems and Infrastructure Engineer Officer. The code continues under the new title. 2026-10-01 is the FY27 officer MCTFS batch-conversion date specified in NAVMC 1200.1M paragraph 2001.1b.

Source documents (2)

Reviewed October 3, 2026 against references 1, 2, 3 and 4.

  • NAVMC 1200.1M MOS 0670 entry

    1. Chapter 1, OccFld 06 (officer), MOS 0670; printed pp. 1-52 to 1-53; PDF pp. 71-72; cached text lines 3920-3987 · cited by the explanation

    2.NAVMC 1200.1M Figure 2-1 conversion row · Figure 2-1, printed p. 2-4, PDF 407; cached text lines 24718-24721; remarks 2, 7 · cited by the explanation

    3.NAVMC 1200.1M, FY27 officer conversion instructions · Chapter 2, paragraph 2001.1b, printed page 2-1 (PDF page 404): MCTFS batch conversion on 1 October 2026 · cited by the explanation

  • NAVMC 1200.1L (FY26): former MOS 0670 title and duties

    4. Chapter 1, MOS 0670, Summary and former occupational title. Historical definition retained from the previously reviewed source. · cited by the explanation

Historical information is drawn from the sources linked above. Classification dates are not personal service dates. Spot an error? Let us know.