Navy NEC · Engineering

Q10B Machinist’s Mate Auxiliary (MMA) Leading Chief Petty Officer (LCPO)

Current service use not established

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

A Navy Enlisted Classification: a skill designation sailors hold in addition to their rating.

Overview

A Machinist’s Mate Auxiliary leading chief petty officer manages Auxiliary Division personnel, programs, maintenance scheduling, training plans, processes, and records. This leader coordinates with outside agencies, analyzes equipment trends, troubleshoots auxiliary equipment, and supervises oxygen generating operations.

Minimum clearance: Secret

Core Skills

  • Maintenance scheduling and scheduling software oversight
  • Auxiliary equipment troubleshooting and trend analysis
  • Oxygen generation operations supervision
  • External maintenance and inspection coordination

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.

First-Line Supervisors of Mechanics, Installers, and Repairers

Supervising Auxiliary Division personnel, maintenance schedules, training plans, and equipment troubleshooting transfers directly to coordinating a civilian maintenance crew.

How to prepare: Build a non-sensitive work sample showing how you would schedule maintenance, assign personnel, and use equipment trends to prioritize repairs.

What the civilian work involves
  • Inspect, test, and measure completed work, using devices such as hand tools or gauges to verify conformance to standards or repair requirements.
  • Inspect and monitor work areas, examine tools and equipment, and provide employee safety training to prevent, detect, and correct unsafe conditions or violations of procedures and safety rules.
  • Monitor employees' work levels and review work performance.
Civilian tools and software (examples)
  • Microsoft Excel
  • Microsoft Project

Notes & Sources

Evidence for this guidance (2 documents)
  1. NAVPERS 18068F Vol II (NEOCS, Jul 2026 edition): NEC Q10B

    [1] NEC entry "Q10B - Machinist’s Mate Auxiliary (MMA) Leading Chief Petty Officer (LCPO)"; cached text line 10064; NAVPERS 18068F Vol II, 2026-07 edition

    Supports: Maintenance scheduling and scheduling software oversight, Auxiliary equipment troubleshooting and trend analysis, Oxygen generation operations supervision, External maintenance and inspection coordination, First-Line Supervisors of Mechanics, Installers, and Repairers (O*NET 49-1011.00)

  2. O*NET: First-Line Supervisors of Mechanics, Installers, and Repairers

    [2] O*NET 30.3 occupational data

    Supports: First-Line Supervisors of Mechanics, Installers, and Repairers (O*NET 49-1011.00)

Defense contractor jobs for Q10B

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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