First-line supervisors of mechanics, installers, and repairers perform work familiar to some military personnel.

Jobs in this career are similar to the following job classifications in the

0610
Telecommunication Systems Engineering Officer (Warrant Officer only)
0619
Telecommunications Systems Chiefs (Enlisted)
0621
Field Radio Operator (Enlisted)
0699
Communications Chief (Enlisted)
120A
Construction Engineering Technician (Warrant Officer only)
12K
Plumber (Enlisted)
12P
Prime Power Production Specialist (Enlisted)
131A
Field Artillery Targeting Technician (Warrant Officer only)
13M
Multiple Launch Rocket System (MLRS)/High Mobility Artillery Rocket System (HIMARS) Crewmember (Enlisted)
13P
Multiple Launch Rocket System (MLRS) Operations/Fire Direction Specialist (Enlisted)
13R
Field Artillery (FA) Firefinder Radar Operator (Enlisted)
13T
Field Artillery Surveyor/Meteorological Crewmember (Enlisted)
14E
PATRIOT Fire Control Enhanced Operator/Maintainer (Enlisted)
14G
Air Defense (AD) Battle Management System Operator (Enlisted)
14H
Air Defense (AD) Enhanced Early Warning System Operator (Enlisted)
14S
Air and Missile Defense (AMD) Crewmember (Enlisted)
14T
PATRIOT Launching Station Enhanced Operator/Maintainer (Enlisted)
15E
Unmanned Aircraft Systems Repairer (Enlisted)
15K
Aircraft Components Repair Supervisor (Enlisted)
15Z
Aircraft Maintenance Senior Sergeant (Enlisted)
18E
Special Forces Communications Sergeant (Enlisted)
2110
Ordnance Vehicle Maintenance Officer (Warrant Officer only)
2120
Weapons Repair Officer (Warrant Officer only)
2125
Electro-Optic Instrument Repair Officer (Warrant Officer only)
2149
Ordnance Vehicle Maintenance Chief (Enlisted)
2181
Senior Ground Ordnance Weapons Chief (Enlisted)
255A
Information Services Technician (Warrant Officer only)
255S
Information Protection Technician (Warrant Officer only)
255Z
Senior Network Operations Technician (Warrant Officer only)
25C
Radio Operator-Maintainer (Enlisted)
25E
Electromagnetic Spectrum Manager (Enlisted)
25L
Cable Systems Installer-Maintainer (Enlisted)
25N
Nodal Network Systems Operator-Maintainer (Enlisted)
25P
Microwave Systems Operator-Maintainer (Enlisted)
25S
Satellite Communications Systems Operator-Maintainer (Enlisted)
25T
Satellite/Microwave Systems Chief (Enlisted)
25W
Telecommunications Operations Chief (Enlisted)
25X
Chief Signal NCO (Enlisted)
25Z
Visual Information Operations Chief (Enlisted)
2805
Data/Communications Maintenance Officer (Warrant Officer only)
2891
Electronics Maintenance Chief (Enlisted)
3510
Motor Transport Maintenance Officer (Warrant Officer only)
3521
Automotive Maintenance Technician (Enlisted)
3529
Motor Transport Maintenance Chief (Enlisted)
35S
Signals Collector/Analyst (Enlisted)
35T
Military Intelligence (MI) Systems Maintainer/Integrator (Enlisted)
5902
Electronics Maintenance Officer Aviation Command and Control (C2) (Commissioned Officer only)
5910
Aviation Radar System Maintenance Officer (Warrant Officer only)
5950
Air Traffic Control Systems Maintenance Officer (Warrant Officer only)
5959
Air Traffic Control Systems Maintenance Chief (Enlisted)
5970
Tactical Data Systems Maintenance Officer (Warrant Officer only)
5993
Electronics Maintenance Chief (Aviation (C2)) (Enlisted)
6002
Aircraft Maintenance Officer (Commissioned Officer only)
6004
Aircraft Maintenance Engineer Officer (Commissioned or Warrant Officer)
6019
Aircraft Maintenance Chief (Enlisted)
6302
Avionics Officer (Commissioned or Warrant Officer)
6391
Avionics Chief (Enlisted)
6469
Reconfigurable Transportable Consolidated Automated Support System (RTCASS) Technician, IMA (Enlisted)
6591
Aviation Ordnance Chief (Enlisted)
890A
Ammunition Warrant Officer (Warrant Officer only)
89B
Ammunition Specialist (Enlisted)
91A
M1 Abrams Tank System Maintainer (Enlisted)
91C
Utilities Equipment Repairer (Enlisted)
91D
Power Generation Equipment Repairer (Enlisted)
91E
Allied Trades Specialist (Enlisted)
91F
Small Arms/Artillery Repairer (Enlisted)
91G
Fire Control Repairer (Enlisted)
91H
Tracked Vehicle Repairer (Enlisted)
91J
Quartermaster and Chemical Equipment Repairer (Enlisted)
91L
Construction Equipment Repairer (Enlisted)
91M
BRADLEY Fighting Vehicle System Maintainer (Enlisted)
91P
Artillery Mechanic (Enlisted)
91S
STRYKER Systems Maintainer (Enlisted)
91X
Maintenance Supervisor (Enlisted)
91Z
Senior Maintenance Supervisor (Enlisted)
948B
Electronic Systems Maintenance Warrant Officer (Warrant Officer only)
948D
Electronic Missile Systems Maintenance Warrant Officer (Warrant Officer only)
948E
Senior Electronics Maintenance Warrant Officer (Warrant Officer only)
94A
Land Combat Electronic Missile System Repairer (Enlisted)
94D
Air Traffic Control Equipment Repairer (Enlisted)
94E
Radio and Communications Security (COMSEC) Repairer (Enlisted)
94F
Computer/Detection Systems Repairer (Enlisted)
94H
Test, Measurement, and Diagnostic Equipment (TMDE) Maintenance Support Specialist (Enlisted)
94M
Radar Repairer (Enlisted)
94P
Multiple Launch Rocket System (MLRS) Repairer (Enlisted)
94R
Avionic and Survivability Equipment Repairer (Enlisted)
94S
PATRIOT System Repairer (Enlisted)
94T
AVENGER System Repairer (Enlisted)
94W
Electronic Maintenance Chief (Enlisted)
94X
Senior Missile Systems Maintainer (Enlisted)
94Y
Integrated Family of Test Equipment (IFTE) Operator and Maintainer (Enlisted)
94Z
Senior Electronic Maintenance Chief (Enlisted)
AS
Aviation Support Equipmentman (Enlisted)
CE
Construction Electrician (Enlisted)
CTM
Cryptologic Technician Maintenance (Enlisted)
ET(R)
Electronics Technicians (Communication) (Enlisted)
ET(V)
Electronics Technicians (Navigation) (Enlisted)
FT
Fire Control Technician (Enlisted)
GM
Gunner's Mate (Enlisted)
GSE
Gas Turbine System Technician (Electrical) (Enlisted)
GSM
Gas Turbine System Technician (Mechanical) (Enlisted)
HT
Hull Maintenance Technician (Enlisted)
IC
Interior Communications Electrician (Enlisted)
MR
Machinery Repairman (Enlisted)
MT
Missile Technician (Enlisted)
SB
Special Warfare Boat Operator (Enlisted)
STG
Sonar Technician (Surface) (Enlisted)
STS
Sonar Technician (Submarine) (Enlisted)

The following military occupations are no longer in active use:

2101
Basic Gound Ordnance Maintenance Officer (Warrant Officer only)
2301
Basic Ammunition and Explosive Ordnance Disposal Officer (Warrant Officer only)
2810
Telephone Systems Officer (Warrant Officer only)
3501
Basic Motor Transport Officer (Warrant Officer only)
6119
Helicopter/Tiltrotor Maintenance Chief (Enlisted)
6434
Advanced Aircraft Electrical/Instrument/Flight Control Systems Technician, IMA (Enlisted)
6486
Advanced Aircraft Electronic Countermeasures Technician, IMA (Enlisted)
6491
Aviation Precision Measuring Equipment (PME) Chief (Enlisted)