Skill Level 1 Performs quality control measures. Inspects, tests, and adjusts components to specific tolerances. Determines shortcomings and malfunctions in electronic, electrical, mechanical, pneumatic, optical, and electromechanical assemblies, sub-assemblies, modules, and circuit elements with common and system special design test equipment. Repairs unserviceable items by removing and replacing defective components and parts. Repairs unserviceable optical and infrared components by aligning, adjusting, removing, and replacing defective modules and assemblies. Determines serviceability and disposition of defective assemblies, sub-assemblies, and parts. Performs maintenance adjustments and repairs on job-related tools and equipment. Prepares maintenance and supply forms and reports. Serves on inspection and maintenance teams.

Skill Level 2 Performs and supervises duties in preceding skill level and provides technical guidance to lower grade personnel in the accomplishment of their duties. Performs quality control measures. Installs equipment modifications and provides technical assistance to supported units.

Skill Level 3 Perform duties shown in preceding levels of skill. Establishes workloads and repair priorities; organizes work schedules, assigns duties, instructs subordinates in work techniques, and procedures for receipt, storage, inspection, testing, and repair of equipment. Implements quality control/quality assurance measures and performs initial and final inspection of equipment maintenance. Performs administrative functions in establishing and maintaining maintenance records.

Skill Level 4 Perform duties in preceding levels of skill. Supervises and coordinates support maintenance on Tube-Launched, Optical Tracked, Wire-Guided Missile (TOW), DRAGON, BFVS, Tow Field Test Set (TFTS), and Multiple Launch Rocket System (MLRS) missile systems. Serves as section chief or platoon sergeant of detachment, platoon, company, or comparable unit.