The 91Z58 Chief Instructor serves as the Chief Instructor of a Total Army School System (TASS) Battalion. This battalion provides training in Ordnance Military Occupational Specialties (MOS), Additional Skill Identifiers (ASI), and Non-Commissioned Officer Education System (NCOES) to soldiers from the Active Army, Army Reserve, and Army National Guard. The Chief Instructor is responsible for reviewing Program of Instruction (POI) and training schedules for accuracy, identifying equipment and material shortages, controlling test materials, training subordinates, and conducting instruction in accordance with guidance from the U.S. Army Ordnance School, Combined Arms Support Command (CASCOM), and Training and Doctrine Command (TRADOC). They are also responsible for the readiness, health, morale, and welfare of subordinate instructors.
91Z50/Maintenance Control Sergeant (MCS)
The 91Z50 Maintenance Control Sergeant (MCS) serves as the MCS for a Support Maintenance Company (SMC) assigned to a Combat Sustainment Support Battalion (CSSB). They are responsible for directing all shop office operations, including production control, Class IX ordering, combined man-hour accounting, STAMIS (Standard Army Maintenance Information System) actions and reports. The MCS oversees the workflow efficiency and continuity of five commodity sections, which consist of Ground Support Equipment, Communications and Electronics, Armament, Automotive, and Allied Trades. They also oversee maintenance support for 232 units and are responsible for the health, welfare, and professional development of three NCOs and four soldiers.
91Z67S/Chief Maintenance Mechanical Operations NCO
The 91Z67S Chief Maintenance Mechanical Operations NCO serves as the Senior Ordnance Sergeant Major for I Corps and Joint Base Lewis-McChord (JBLM). They provide timely logistics recommendations to the G4 on complex sustainment-related issues and associated support matters for one Infantry Division headquarters, three Stryker brigades, aviation, fires, and five functional and multifunctional brigades. They also provide input to the G4 Maintenance Readiness Division Chief in preparing plans and policies related to materiel readiness. Additionally, they contribute to the development or updates of logistics annexes, Operations Orders (OPORDs), and concept of support plans.
91Z60/Chief Maintenance Mechanical Operations NCO
The 91Z60 Chief Maintenance Mechanical Operations NCO serves as the Senior Maintenance Sergeant Major for a Corps and provides support to three Stryker Brigade Combat Teams, fires, Sustainment brigade, Battlefield surveillance, Military Police, Medical, and Engineer Brigades. They assist the G4 Maintenance Readiness Division Chief in preparing plans and policies related to materiel readiness. The Chief Maintenance Mechanical Operations NCO is responsible for tracking and reporting ground equipment readiness, coordinating logistical, field, and sustainment maintenance support throughout the Army Force Generation (ARFORGEN) cycle. They also manage the Corps-level Unit Maintained Equipment program and maintenance initiatives. Furthermore, they serve as an advisor to Corps leadership on all maintenance issues and trends.
First Sergeant 91Z5M
The First Sergeant 91Z5M serves as a First Sergeant for a Forward Support Company that supports a Reconnaissance Squadron. The company consists of a Maintenance Platoon, Distribution Platoon, and a Food Service Section. They assist the Commander in planning, coordinating, and supervising all logistical operations that support the Squadron’s missions. The First Sergeant provides advice to the Commander on enlisted matters, including duty assignments, promotions, military justice, awards, professional development, equal opportunity, and property accountability of over $17,000,000 worth of equipment. They are responsible for the readiness, discipline, training, health, and welfare of 143 soldiers.
Mechanical Maintenance Supervisor
The Mechanical Maintenance Supervisor serves as the Brigade Maintenance Supervisor for a Combat Support Military Police Brigade. This brigade is comprised of three Military Police Battalions, ten Military Police companies, and three Military Police detachments. The Mechanical Maintenance Supervisor’s responsibilities include evaluating unit maintenance through the collection and analysis of maintenance data, serving as a liaison for DS (Direct Support), GS (General Support), I Corps, and FORSCOM (Forces Command) activities to repair equipment worth over 200 million dollars, providing oversight, support, and expertise for two battalion-level maintenance programs, and monitoring the battalions’ PLL (Prescribed Load List), TAMMS (The Army Maintenance Management System), TMDE (Test, Measurement, and Diagnostic Equipment), Exchange Pricing, and SAMS-E (Standard Army Maintenance System-Enhanced) operations. They also track and identify all maintenance resources and requirements within the brigade.
Mechanical Maintenance Supervisor
The Mechanical Maintenance Supervisor serves as the Mechanical Maintenance Supervisor responsible for managing a multi-functional Combat Support and Sustainment Battalion. They supervise the development and preparation of operations information and related data to ensure proper logistical support and technical assistance. They contribute to staff development and data systems and provide mission guidance to one subordinate NCO. Additionally, they perform duties as the senior mechanic for 4,215 soldiers, assisting in planning, training, deployment, and redeployment operations at the battalion level. They are responsible for the training, health, welfare, and discipline of one soldier and one NCO.
91Z50 Brigade Mechanical Maintenance Supervisor
Serves as the Senior Maintenance Supervisor in charge of overseeing a multifaceted Engineer Brigade maintenance program comprising nine Battalions and a HHC. Supervises the development and preparation of operational information and related data to ensure adequate logistical support and technical assistance. Contributes to staff development and data systems. Provides mission guidance to nine subordinate NCOs. Performs duties as the senior Mechanic for 4,215 Soldiers, assisting in planning, training, deployment, and redeployment operations at the Brigade and Battalion levels. Responsible for the training, well-being, and discipline of two Soldiers and two NCOs.
91Z First Sergeant
Serves as a First Sergeant of a Forward Support Company, responsible for planning and executing maintenance and distribution support to a General Support Aviation Battalion. Oversees training in preparation for deployment with minimal notice. Responsible for the maintenance of 271 ground vehicles and 24-hour refueling operations in support of 30 UH-60 Blackhawk and 12 CH-47 Chinook helicopters. Provides daily sustenance for 850 Soldiers. Maintains the readiness of 98 vehicles and rolling stock valued at over $14 million. Responsible for the morale, well-being, and training of 114 Soldiers and support for their family members.
91Z First Sergeant
Served as a First Sergeant for a multifunctional Forward Support Company in a rapidly deployable Combined Arms Battalion, including a Distribution Platoon, Maintenance Platoon, and a Food Service Section comprising 206 Soldiers. Assisted the commander in planning, coordinating, and supervising all logistical activities supporting an entire 850 Soldier Combined Arms Battalion. Advised the commander on matters concerning enlisted Soldiers, including duty assignments, promotions, military justice, awards, morale, welfare, professional development, and equal opportunity concerns. Assisted the commander in maintaining property accountability of equipment worth over $27,000,000.
91Z First Sergeant
First Sergeant of an Airborne Forward Support Company supporting the 1st Battalion, 504th Parachute Infantry Regiment. Serves as the senior advisor to the company commander for all tactical, promotion, assignment, and retention decisions. Responsible for the professional development and mentorship of 35 NCOs in 18 different MOSs. Supervises and maintains all personnel administrative data, training records, daily readiness reports, enlisted rating schemes, jump logs, medical readiness, and military schools enrollment. Ensures the overall health, morale, and welfare of 127 Soldiers and the maintenance and accountability of equipment valued at $50,000,000.
91Z50 Senior Maintenance Supervisor (previously MOS 63Z50)
Serves as the Senior Maintenance Supervisor for a PATRIOT battalion, providing counter air and missile defense to protect critical operational assets in support of the PACOM Commander. Manages the required training for 90 maintainers, services over 380 pieces of rolling stock and ground equipment worth over $20,000,000. Coordinates the maintenance workload and ensures quality control of jobs within supporting organizations. Directs the flow of repair parts and maintains continuous communication with the six field maintenance teams (FMT) supporting the battalion to ensure proper logistical support and technical assistance.
► Overhauling various machinery.
► Evaluates, repairs, and troubleshoots machinery. Also conducts regular monitoring and inspection of all equipment.
► Prepares maintenance schedule for all technical personnel.
► Plans, researches, and develops possible methods to maintain the efficiency of all machinery.
► Checks maintenance reports submitted by all technical personnel, as well as their achievements.
► Support company’s program in implementing the full awareness of safety and health hazard for the staff.
► Act on problems concerning spare parts unavailability