21J: General
Construction Equipment Operator
Major Duties: The general construction equipment
operator operates air compressors and special purpose construction
machines engaged in compaction, ditching, pumping and auguring.
Duties for MOS 21J at each level of skill are:
- Skill Levels
- Skill Level 1 MOSC 21J1O. Operates
air compressors and related pneumatic tools. Operates
SEE and attachments, performing digging, backfilling
and loading operations. Operates self-propelled compaction
rollers during construction operations. Operates water
distributor during compaction and dust control operations.
Operates earth auger, rotary sweeper and tiller. Assists
in performance of combat engineer missions.
- Skill Level 2 MOSC 21J2O. Operates
all general construction equipment. Directs operational
maintenance on assigned equipment.
Physical demands rating and qualifications for initial
award of MOS. The general construction equipment operator
must possess the following qualifications:
(1) Physical Demands Rating:
very heavy
(2) Physical Profile: 222221
(3) Red/green color discrimination.
(4) Minimum score of 90 in aptitude
area GM.
(5) Must possess a valid state motor vehicle operator license.
(6) Formal training (completion of MOS 21J course conducted
under auspices of U.S. Army Engineer School) mandatory, or
meet the civilian acquired skills criteria listed in AR 601-210.
MOS 21J had the alphanumeric designator of 62J prior
to fiscal year 2004.
The major duties, physical demands, physical profile, and
skill levels were obtained from Army Pamphlet 611-21.
MOS List for Corps of Engineers
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