Navy NEC · Engineering

N25S Surface Ship Nuclear Propulsion Plant Supervisor: Mechanical

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 surface ship nuclear propulsion plant mechanical supervisor directs mechanical operations and oversees propulsion equipment. This supervisor manages maintenance and casualty response while leading mechanical operators.

Core Skills

Nuclear propulsion plant maintenance supervision

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.

Nuclear Technicians

Experience supervising surface ship nuclear propulsion plant operation and maintenance transfers to nuclear equipment monitoring and testing work.

How to prepare: Bring your documented plant-operation and maintenance qualifications to a nuclear facility technician recruiter for comparison with its equipment-monitoring and testing roles.

What the civilian work involves

Monitor nuclear reactor equipment performance to identify operational inefficiencies, hazards, or needs for maintenance or repair.
Test plant equipment to ensure it is operating properly.
Follow nuclear equipment operational policies and procedures that ensure environmental safety.

Notes & Sources

Evidence for this guidance (2 documents)

NAVPERS 18068F Vol II (NEOCS, Jul 2026 edition): NEC group entry N23S/N24S/N25S/N26S Surface Ship Nuclear Propulsion Plant Supervisors
[1] Group entry 'N23S/N24S/N25S/N26S - Surface Ship Nuclear Propulsion Plant Supervisors' with shared description and NOTES; cached text lines 8529-8531; individual N23S/N24S/N25S/N26S entries at lines 8561/8586/8610/8639 print the admin block (Component NEC N23O/N24O/N25O/N26O, billet paygrades E5-E9) and watchstation NOTES; PDF p.140-142
Supports: Nuclear propulsion plant maintenance supervision, Nuclear Technicians (O*NET 19-4051.00)
O*NET: Nuclear Technicians
[2] O*NET 30.3 occupational data
Supports: Nuclear Technicians (O*NET 19-4051.00)

Defense contractor jobs for N25S

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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