U.S. Army Recruiting Command's Warrant Officer Recruiting Information Site

Warrant Officer Prerequisites and Duty Description

948B - Electronic Systems Maintenance Warrant Officer

The Electronic Systems Maintenance Warrant Officer manages personnel, equipment, and facility assets for the installation, operation, repair, maintenance, and modification of radio, radar, computer, electronic data processing, controlled cryptographic items, television, fiber optical, radiological and related communications equipment and associated tools, test and accessory equipment. Establishes section SOPs and instructions to ensure that a proper work environment is maintained. Ensures all assigned personnel adhere to maintenance schedules, The Army Maintenance Management Systems (TAMMS), Quality Assurance and Quality Control (QA-QC) procedures, Standard Army Maintenance System - Enhanced (SAMS-E) and Global Combat Support System- Army (GCSS-A).

Minimum Prerequisites:

NCOERs: Must submit copies of ALL NCOERs. The NCOERs must reflect outstanding and exceptional duty performance from the Rater and outstanding and exceptional potential from the Senior Rater. 

Rater’s bullet comments reflecting performance:


Senior Rater's bullet comments reflecting:


Letters of Recommendation (LOR’s): LOR must be from a Senior Warrant Officer (CW3-CW5) holding MOS 948B. The LOR must come from a Senior Warrant Officer within your immediate organization, chain of command, or Installation. If a Senior Warrant Officer in not assigned to your organization, immediate chain of command, or Installation:


NOTE 1: Experience defined: Specific (operations/logistic support) experience includes any position involving direct contact with equipment/commodity/electronics/ repair, retail or wholesale munitions operations and/or munitions management.

NOTE 2: Reserve Components civilian experience related to their MOS will be taken into consideration. Evaluation reports documenting experience must describe specific MOS related positions, duties, and responsibilities performed and must be commensurate with the rank of the soldier.


Please contact the proponent POCs below for any questions regarding qualifications. Address all other inquiries to Warrant Officer Recruiting at usarmy.knox.usarec.mbx.9sbn-wo-team-questions@mail.mil


POC: CW4 Amado Mena Jr. (Active Component)
E-Mail: amado.mena3.mil@mail.mil
DSN: 539-7371
COM: 804-765-7371
FAX: 804-765-7337


If you are a member of the Army Reserves (regardless of branch) and who wishes to apply for position as a Warrant Officer, please visit http://stayarmyreserve.army.mil/wo.htm for more information on the Army Reserve Warrant Officer Accession program.

POC: CW5 Ronald P. Diehl (Reserve Components)
E-mail: ronald.p.diehl2.mil@mail.mil
DSN: 539-7383
COM: 804-765-7383
FAX: 804-765-7337


If you are a member of the Army National Guard talk to your State, Territory or the District of Columbia Warrant Officer Strength Manager (WOSM) to see if you meet the qualifications and how to complete a Predetermination Packet.
To speak to a Warrant Officer Strength manager please visit:

POC: CW5 James Williams (Army National Guard)
E-Mail: james.w.williams4.mil@mail.mil
DSN: 687-1155
COM: 804-734-1155


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