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Navy NEC · IT & Cyber

T47A Submarine Local Area Network (SUBLAN) Technician

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.

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Overview

A Submarine Local Area Network Technician troubleshoots and maintains the AN/USQ-177(V) SUBLAN and associated electronic equipment aboard submarines. This technician also performs Information Assurance Technician functions in accordance with applicable Department of Defense and Navy requirements.

Minimum clearance: Secret at entry, Top Secret to maintain

Core Skills

  • AN/USQ-177(V) network and associated electronics maintenance
  • Information assurance under Navy security directives

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.

Computer Network Support Specialists

Troubleshooting and maintaining SUBLAN equipment, together with Information Assurance Technician duties, directly supports civilian network fault diagnosis and security support.

How to prepare: Build a small network lab and document a troubleshooting exercise that identifies a connectivity fault, tests a repair, and checks access settings.

What the civilian work involves
  • Identify the causes of networking problems, using diagnostic testing software and equipment.
  • Configure security settings or access permissions for groups or individuals.
  • Document network support activities.
Civilian tools and software (examples)
  • Linux
  • Microsoft Windows Server
  • Microsoft Active Directory

Network and Computer Systems Administrators

SUBLAN maintenance and troubleshooting provide a foundation for network administration, with additional preparation needed for broader server configuration and recovery work.

How to prepare: Set up a Linux server lab, configure its network services, and practice backing up and restoring the system.

What the civilian work involves
  • Maintain and administer computer networks and related computing environments, including computer hardware, systems software, applications software, and all configurations.
  • Perform data backups and disaster recovery operations.
  • Diagnose, troubleshoot, and resolve hardware, software, or other network and system problems, and replace defective components when necessary.
Civilian tools and software (examples)
  • Linux
  • Bash
  • Microsoft Active Directory

Notes & Sources

Evidence for this guidance (3 documents)
  1. NAVPERS 18068F Vol II (NEOCS, Jul 2026 edition): NEC T47A

    [1] NEC entry "T47A - Submarine Local Area Network (SUBLAN) Technician"; cached text line 11036; NAVPERS 18068F Vol II, 2026-07 edition

    Supports: AN/USQ-177(V) network and associated electronics maintenance, Information assurance under Navy security directives, Computer Network Support Specialists (O*NET 15-1231.00), Network and Computer Systems Administrators (O*NET 15-1244.00)

  2. O*NET: Computer Network Support Specialists

    [2] O*NET 30.3 occupational data

    Supports: Computer Network Support Specialists (O*NET 15-1231.00)

  3. O*NET: Network and Computer Systems Administrators

    [3] O*NET 30.3 occupational data

    Supports: Network and Computer Systems Administrators (O*NET 15-1244.00)

Defense contractor jobs for T47A

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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