HomeIn-Service OpportunitiesU.S. Army Warrant Officer RecruitingDo I Qualify?Other Services WO MOS Feeder List255N - Network Management Technician

Warrant Officer Prerequisites and Duty Description

255N - Network Systems Technician


*** Download 255N Brochure ***



Network systems technicians are the Army’s network and transport systems subject matter experts responsible for designing, building, configuring, operating, maintaining, and sustaining of voice, video, and data networks within the Army’s portion of the cyberspace domain on the Department of Defense Information Networks (DODIN).  They design, configure, operate, maintain, and sustain networks to include network perimeter and boundary defense tools.  They implement cybersecurity network policies and the use of electronic keys for transmission systems.  They enable secure transmissions of networked information to support and enable mission command.  They train and supervise cyberspace information technology personnel in the designing, building, configuring, operating, maintaining, securing, and sustaining networks, network systems equipment, network nodal devices, and transmission and transport systems from the strategic level to the tactical edge.  They lead frequency management to support communication networks.  They develop policy recommendations and provide technical guidance and advice to commanders and staffs on the management and operation of Army, Joint, intergovernmental, interagency, and multinational communication networks and transport systems.

***Applicants must meet all Administrative Requirements to become a Warrant Officer.***


Minimum prerequisites (all general prerequisites apply):

  • Be a SGT (E5) or above. (NO WAIVERS)
  • BLC Graduate. (NO WAIVERS)
  • Hold a DoD 8570.1M IAT I / IAM Level II or IASAE I certification (CCNA Security; SEC+; CASP; or CISSP)  (NO WAIVERS)
  • Applicants with a Secret security clearance may apply, but will initiate procedures to obtain a Top Secret (TS) clearance with special compartmentalized information (SCI) access immediately upon selection to the MOS 255N.  Failure to obtain an adjudicated TS/SCI clearance will disqualify an individual from holding the MOS.
  • Applicants with a TS/SCI security clearance requiring periodic reinvestigation (PR) must submit their PR paperwork prior to submitting a Warrant Officer Accession Application.
  • A letter from a Senior Signal Warrant Officer (CW3-CW5) is required. (NO WAIVERS)
  • Four years of documented practical experience in voice and data internetworking, local and wide area networks (LAN & WAN), include terrestrial, satellite and aerial systems and/or network planning. (NO WAIVERS)
  • Practical experience documented through NCO evaluation reports and award citations.  In some instances, practical experience acquired from civilian employment may be acceptable through employee evaluations, performance appraisals, or statements of work equivalent to military experience.
  • A minimum of 36 months of rated time documented in NCOERs.  This is the minimum prerequisite; all NCOERs are required for consideration.  ARNG and USAR applicants may request a waiver for NCOER time, but must provide civilian performance appraisals in conjunction with their NCOERs or in lieu of not having NCOERs.  (NO WAIVERS FOR ACTIVE DUTY Applicants)
  • A minimum of six (6) semester hours of College Composition from an accredited institution, English 100 or higher, such as English Composition, Technical Writing, Business Writing, etc.  Speech and public speaking courses are not considered as meeting this requirement even if administered by the English department of an institution.  Successful completion of the CLEP College Composition examination in English (not Composition Modular) or an Associate's degree or higher are the only acceptable alternatives.  Transcripts comprised of only military training credit are not acceptable.  The Department of Education maintains a database of accredited postsecondary education institutions and programs at http://ope.ed.gov/accreditation/. (NO WAIVERS)
  • A minimum of three semester hours of College Algebra or higher is the only accepted college course from an accredited academic institution.  Successful completion of the CLEP College Algebra examination or an Associate’s degree or higher are the only acceptable alternatives.  (NO WAIVERS)

    Preferred Prerequisites:

  • ALC Graduate
  • AA/AS Degree
  • Hold an active TS/SCI security clearance
  • Additional industry technical certifications: Network+; Linux+; CCNA, CCNP, CCENT; or CCDA.


    NOTE 1: Applicants from other military services (Air Force, Coast Guard, Marine Corps, and Navy) who can substantiate their qualifications with performance evaluations, awards, and certificates are encouraged to apply for MOS 255N.  Please contact the proponent POC below only for questions regarding ANY qualifications. Address all other inquiries to your Regional Warrant Officer Recruiter.

    NOTE 2: Reserve Component Only:  Waiver requests for E4s or the minimum of 36 months of rated time on NCOER's are considered on a case-by-case base.  The applicant will have documented comparable managerial or leadership experience in the government service and/or civilian sector.


    Points of Contact: 
    CW5 Garth Hahn
    Signal Warrant Officer Career Program Manager (Regimental) 
    U.S. Army Signal School
    COM: (706) 791-5771
    DSN: (312) 780-6545 
    E-Mail: garth.r.hahn.mil@mail.mil

    CW4 Jorge Roman, JR
    ARNG Senior Warrant Officer Advisor/Liaison
    COM: (706) 791-6643
    DSN: (312) 780-6643
    BB: (706) 825-7242

    CW5 Selvina Wasson
    USAR Senior Warrant Officer Advisor/Liaison 
    COM: (706) 791-8183
    DSN: (312) 780-8183
    BB: (706) 726-8501 

Last Updated: 30 April 2020