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Marine Corps MOS · Support

3404 Financial Management Officer

Current service use not established

This code is listed in the directory. Inclusion alone does not confirm current service use.

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Overview

A financial management officer formulates and supervises policies and procedures for managing appropriated funds in operating forces and supporting activities. The officer oversees budget formulation and execution, finance operations, disbursements, collection and expenditure of public funds, resource analysis, workstation inspections, and liaison for external audits.

Core Skills

  • Appropriated fund budget execution monitoring
  • Public fund disbursement and collection validation
  • Legal expenditure oversight for public funds
  • Resource management evaluation and audit liaison

Civilian Career Paths

Career associations are editorial assessments of the cited evidence, not an official crosswalk unless the evidence explicitly says so. O*NET supplies civilian occupation information, not proof of a military match. Related experience does not confer civilian qualifications. Tasks and tools below describe civilian work, not military training.

Financial Managers

Supervising budget and finance offices, compiling budget estimates, and monitoring spending transfer directly to financial operations and budget oversight.

How to prepare: Build a civilian-facing budget review sample using non-sensitive or hypothetical figures to show planned spending, actual spending, and recommended corrective actions.

What the civilian work involves
  • Oversee the flow of cash or financial instruments.
  • Evaluate data pertaining to costs to plan budgets.
Civilian tools and software (examples)
  • Microsoft Excel
  • SAP software

Accountants and Auditors

Validating disbursements, overseeing lawful expenditures, evaluating resource management problems, and liaising with external auditors provide a foundation for financial compliance and audit work.

How to prepare: Compare your transcript with accounting and auditing coursework for the positions you want, then identify courses to fill the gaps. Entry typically calls for at least a bachelor's degree in accounting or a related field.

What the civilian work involves
  • Report to management about asset utilization and audit results, and recommend changes in operations and financial activities.
  • Collect and analyze data to detect deficient controls, duplicated effort, extravagance, fraud, or non-compliance with laws, regulations, and management policies.
Civilian tools and software (examples)
  • Microsoft Excel
  • Adobe Acrobat

Notes & Sources

  • Accountants who file reports with the Securities and Exchange Commission must hold a state-issued CPA license; this is not a universal requirement for accounting or audit roles.
Evidence for this guidance (4 documents)
  1. NAVMC 1200.1L (FY26, in force): MOS 3404

    [1] MOS 3404 section "a. Summary"; cached text line 13285; NAVMC 1200.1L signed 2025-03-07, in force until 2026-10-01

    Supports: Appropriated fund budget execution monitoring, Public fund disbursement and collection validation, Legal expenditure oversight for public funds, Resource management evaluation and audit liaison, Financial Managers (O*NET 11-3031.00), Accountants and Auditors (O*NET 13-2011.00)

    [2]NAVMC 1200.1L MOS 3404: Related SOC titles · MOS 3404 section "e. Related Standard Occupational Classification"

    Supports: Financial Managers (O*NET 11-3031.00)

  2. O*NET: Financial Managers

    [3] O*NET 30.3 occupational data

    Supports: Financial Managers (O*NET 11-3031.00)

  3. O*NET: Accountants and Auditors

    [4] O*NET 30.3 occupational data

    Supports: Accountants and Auditors (O*NET 13-2011.00)

  4. Bureau of Labor Statistics: Accountants and Auditors

    [5] How to Become an Accountant or Auditor; Education; Licenses, Certifications, and Registrations; page dated August 27, 2026, retrieved September 24, 2026

    Supports: Accountants and Auditors (O*NET 13-2011.00)

Defense contractor jobs for 3404

Descriptions may be summarized for clarity. Verify all information with your branch career counselor or official military documentation before making career decisions.

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