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Navy Rating · IT & Cyber

CTM Cryptologic Technician Maintenance

Current service use not established

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Overview

Cryptologic Technicians in Maintenance maintain, configure, and install intelligence, tactical cryptologic, and ancillary systems for information and cyberspace operations. They test, certify, troubleshoot, repair, or replace cryptologic systems, security systems, electronic equipment, antennas, computers, networks, and related equipment while coordinating repairs and managing organizational maintenance.

Minimum clearance: Top Secret

Minimum ASVAB: AR+MK+EI+VE 221

ASVAB policy: Not policy-reviewed · coverage unknown · as of 2026-10-18

Program scope has not been reviewed.

Policy applicability and coverage of the program's score routes have not been reviewed. Shown-route arithmetic is not an eligibility decision.

Source: milpersman-1306-618-rating-list-2026-04 (source date 2026-04). Policy applicability has not been established.

See if you would hit this score: free ASVAB practice test

Core Skills

  • Physical security system installation and repair
  • Antenna testing, troubleshooting, and replacement
  • Information assurance policy implementation
  • Repair coordination across communications and intelligence systems

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.

Electrical and Electronics Repairers, Commercial and Industrial Equipment

CTM experience testing, troubleshooting, and repairing electrical and electronic equipment transfers directly to commercial equipment fault diagnosis and repair.

How to prepare: Practice a complete fault-diagnosis and repair-verification exercise on commercial equipment, documenting the tests performed and the repair outcome.

What the civilian work involves
  • Test faulty equipment to diagnose malfunctions, using test equipment or software, and applying knowledge of the functional operation of electronic units and systems.
  • Maintain equipment logs that record performance problems, repairs, calibrations, or tests.
  • Install repaired equipment in various settings, such as industrial or military establishments.
Civilian tools and software (examples)
  • Circuit evaluation software
  • Computerized maintenance management system CMMS

Computer Network Support Specialists

CTM experience installing and troubleshooting computer systems and networks and implementing information assurance policy supports network diagnostics and access configuration.

How to prepare: Build a small network lab and document how you diagnose connectivity faults and configure user access permissions.

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)
  • Linux
  • Microsoft Active Directory
  • Microsoft Windows Server

Telecommunications Equipment Installers and Repairers, Except Line Installers

CTM installation, testing, and repair of tactical cryptologic systems, electronic equipment, and networks transfers to communications equipment installation and troubleshooting.

How to prepare: Complete a hands-on communications equipment exercise that includes installation, circuit fault isolation, and testing against equipment specifications.

What the civilian work involves
  • Test circuits and components of malfunctioning telecommunications equipment to isolate sources of malfunctions, using test meters, circuit diagrams, polarity probes, and other hand tools.
  • Test repaired, newly installed, or updated equipment to ensure that it functions properly and conforms to specifications, using test equipment and observation.
  • Assemble and install communication equipment such as data and telephone communication lines, wiring, switching equipment, wiring frames, power apparatus, computer systems, and networks.
Civilian tools and software (examples)
  • Cisco IOS

Training & Development

Choose credentials for your target role. COOL funding markers describe program listings, not a guarantee of eligibility or funding.

Getting Started

  • Associate Electronics Technician (CETa)

    Validate foundational electronics knowledge for equipment repair; ETA also offers an optional hands-on component.

    For: Electrical and Electronics Repairers, Commercial and Industrial Equipment, Telecommunications Equipment Installers and Repairers, Except Line Installers

  • CompTIA Network+ · Funded

    Structure network-support preparation around a networking credential; CompTIA recommends A+ and 9 to 12 months of junior network administration or support experience.

    For: Computer Network Support Specialists

Career Growth

  • Cisco Certified Network Associate (CCNA)

    Develop deeper capability in network access, IP connectivity, IP services, and security fundamentals after foundational network-support preparation.

    Eligibility and preparation: No certification exam prerequisites; earning the credential requires passing exam 200-301 CCNA.

    For: Computer Network Support Specialists

Notes & Sources

Evidence for this guidance (7 documents)
  1. NAVPERS 18068F Vol I (NEOCS, Jan 2026 edition): CRYPTOLOGIC TECHNICIAN (MAINTENANCE) (CTM)

    [1] Rating chapter "SCOPE OF RATING"; cached text line 21557; NAVPERS 18068F Vol I, 2026-01 edition

    Supports: Physical security system installation and repair, Antenna testing, troubleshooting, and replacement, Information assurance policy implementation, Repair coordination across communications and intelligence systems, Electrical and Electronics Repairers, Commercial and Industrial Equipment (O*NET 49-2094.00), Computer Network Support Specialists (O*NET 15-1231.00), Telecommunications Equipment Installers and Repairers, Except Line Installers (O*NET 49-2022.00)

  2. O*NET: Electrical and Electronics Repairers, Commercial and Industrial Equipment

    [2] O*NET 30.3 occupational data

    Supports: Electrical and Electronics Repairers, Commercial and Industrial Equipment (O*NET 49-2094.00)

  3. O*NET: Computer Network Support Specialists

    [3] O*NET 30.3 occupational data

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

  4. O*NET: Telecommunications Equipment Installers and Repairers, Except Line Installers

    [4] O*NET 30.3 occupational data

    Supports: Telecommunications Equipment Installers and Repairers, Except Line Installers (O*NET 49-2022.00)

  5. COOL credential mapping: Associate Electronics Technician (CETa)

    [5] CTM cached COOL credential feed

    Supports: Associate Electronics Technician (CETa)

    [6]ETA International: Associate Certified Electronics Technician · CETa description and CETa Exam Info; retrieved 2026-09-23

    Supports: Associate Electronics Technician (CETa)

  6. COOL credential mapping: CompTIA Network+

    [7] CTM cached COOL credential feed

    Supports: CompTIA Network+

    [8]CompTIA: Network+ (Plus) certification exam details · Exam details; retrieved 2026-09-23

    Supports: CompTIA Network+

  7. COOL credential mapping: Cisco Certified Network Associate (CCNA)

    [9] CTM cached COOL credential feed

    Supports: Cisco Certified Network Associate (CCNA)

    [10]Cisco: CCNA certification · How to earn your CCNA, Core exam 200-301 CCNA; updated 31 August 2026, retrieved 23 September 2026

    Supports: Cisco Certified Network Associate (CCNA)

Defense contractor jobs for CTM

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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