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Navy NEC · IT & Cyber

731A Information System Maintenance 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

An Information System Maintenance Technician performs initial system setup, basic administration, and operational checks on various naval systems. The technician works with Windows, UNIX, Cisco IOS, GCCS and NTCSS applications, tactical computers, servers, uninterruptible power supplies, satellite communications peripherals, routers, switches, fiber optics, link converters, and local area networks.

Core Skills

  • IPv4/IPv6 routing and switching (July 2026 NEOCS)
  • QoS and cloud-service integration (July 2026 NEOCS)
  • Windows Server and virtual-machine administration (July 2026 NEOCS)
  • Network threat assessment and mitigation (July 2026 NEOCS)

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

The July 2026 duties align directly through enterprise-network troubleshooting, router and switch configuration, and Windows Server and virtual-machine administration.

How to prepare: Build a lab demonstrating network configuration, Windows Server administration, and recovery from a documented network or system fault.

What the civilian work involves
  • Maintain and administer computer networks and related computing environments, including computer hardware, systems software, applications software, and all configurations.
  • Diagnose, troubleshoot, and resolve hardware, software, or other network and system problems, and replace defective components when necessary.
  • 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
  • Microsoft Azure software

Information Security Analysts

The July 2026 duties provide transferable experience in risk identification, threat assessment, device monitoring, and network-security improvements.

How to prepare: Complete a lab-based infrastructure risk assessment, document the findings, and test whether selected security changes address them.

What the civilian work involves
  • Develop plans to safeguard computer files against accidental or unauthorized modification, destruction, or disclosure and to meet emergency data processing needs.
  • Perform risk assessments and execute tests of data processing system to ensure functioning of data processing activities and security measures.
  • Modify computer security files to incorporate new software, correct errors, or change individual access status.
Civilian tools and software (examples)
  • Microsoft PowerShell
  • Microsoft Azure software

Notes & Sources

  • The July 2026 NEOCS edition may postdate your service. Its IPv6, cloud, and security-posture functions describe personnel trained under the current program, not every 731A holder; assess your own training and service-era experience before using these skills or choosing a path.
Evidence for this guidance (3 documents)
  1. NAVPERS 18068F Vol II (NEOCS, Jul 2026 edition): NEC 731A

    [1] NEC entry "731A - Information System Maintenance Technician"; cached text line 17334; NAVPERS 18068F Vol II, 2026-07 edition

    Supports: IPv4/IPv6 routing and switching (July 2026 NEOCS), QoS and cloud-service integration (July 2026 NEOCS), Windows Server and virtual-machine administration (July 2026 NEOCS), Network threat assessment and mitigation (July 2026 NEOCS), Network and Computer Systems Administrators (O*NET 15-1244.00), Information Security Analysts (O*NET 15-1212.00)

  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: Information Security Analysts

    [3] O*NET 30.3 occupational data

    Supports: Information Security Analysts (O*NET 15-1212.00)

Defense contractor jobs for 731A

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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