mos.directory

Navy NEC · IT & Cyber

746A Information Systems Administrator

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.

Browse Navy

Overview

An Information Systems Administrator configures, secures, and manages commercial network operating systems, internal site networks, Microsoft Exchange, and Windows operating systems. This administrator performs Tier 2 software and hardware corrective actions, identifies risks, monitors network activity, secures network environments, and enforces security policies and procedures.

Minimum clearance: Top Secret

Core Skills

  • Windows and Exchange site network administration
  • Tier 2 network hardware and software repair
  • Network risk monitoring and security policy enforcement

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.

Network and Computer Systems Administrators

Administration of Windows operating systems, Exchange, and internal site networks directly supports civilian network and systems administration.

How to prepare: Build a lab portfolio documenting network configuration, email application maintenance, and system performance monitoring.

What the civilian work involves
  • Maintain and administer computer networks and related computing environments, including computer hardware, systems software, applications software, and all configurations.
  • Configure, monitor, and maintain email applications or virus protection software.
  • Operate master consoles to monitor the performance of computer systems and networks and to coordinate computer network access and use.
Civilian tools and software (examples)
  • Microsoft Active Directory

Computer Network Support Specialists

Tier 2 network hardware and software corrective actions, activity monitoring, and security policy enforcement transfer directly to network troubleshooting and support.

How to prepare: Create lab-based troubleshooting case studies that record the symptoms, diagnostic tests, corrective actions, and verification of restored network service.

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

Notes & Sources

Evidence for this guidance (3 documents)
  1. NAVPERS 18068F Vol II (NEOCS, Jul 2026 edition): NEC 746A

    [1] NEC entry "746A - Information Systems Administrator"; cached text line 17758; NAVPERS 18068F Vol II, 2026-07 edition

    Supports: Windows and Exchange site network administration, Tier 2 network hardware and software repair, Network risk monitoring and security policy enforcement, Network and Computer Systems Administrators (O*NET 15-1244.00), Computer Network Support Specialists (O*NET 15-1231.00)

  2. O*NET: Network and Computer Systems Administrators

    [2] O*NET 30.3 occupational data

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

  3. O*NET: Computer Network Support Specialists

    [3] O*NET 30.3 occupational data

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

Defense contractor jobs for 746A

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

Report an error on this page