Navy NEC · Intelligence

C39A Cryptologic Advisor

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 Cryptologic Advisor advises tactical and strategic warfighters and senior enlisted technical leaders on cryptologic operations. The advisor applies expertise in cryptologic policy and guidance, information operations, and support to military operations within the National Intelligence Community.

Minimum clearance: TS/SCI

Core Skills

Cryptologic policy and guidance interpretation
National Intelligence Community relationship knowledge
Tactical and strategic cryptologic advising

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.

Intelligence Analysts

Experience advising tactical and strategic warfighters on cryptologic operations provides a foundation for interpreting intelligence in an analyst role.

How to prepare: Build a source-validation work sample using public information, documenting how each conclusion is corroborated. The supplied civilian profile emphasizes criminal intelligence, while the verified C39A duties do not establish criminal-investigation experience.

What the civilian work involves

Validate known intelligence with data from other sources.

Civilian tools and software (examples)

Microsoft Excel
Microsoft PowerPoint

Notes & Sources

Evidence for this guidance (2 documents)

NAVPERS 18068F Vol II (NEOCS, Jul 2026 edition): NEC C39A
[1] NEC entry "C39A - Cryptologic Advisor"; cached text line 3596; NAVPERS 18068F Vol II, 2026-07 edition
Supports: Cryptologic policy and guidance interpretation, National Intelligence Community relationship knowledge, Tactical and strategic cryptologic advising, Intelligence Analysts (O*NET 33-3021.06)
O*NET: Intelligence Analysts
[2] O*NET 30.3 occupational data
Supports: Intelligence Analysts (O*NET 33-3021.06)

Defense contractor jobs for C39A

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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