Federal job category 3600 includes skilled trades focused on the construction, repair, and finishing of structural surfaces and components across federal facilities. These roles involve working with materials like brick, stone, concrete, plaster, and drywall to build or restore walls, floors, ceilings, and other architectural features. Employees in this category may be masons, plasterers, cement finishers, or tile setters, performing tasks such as laying brick, applying stucco, smoothing concrete, or installing decorative finishes. The work requires precision, craftsmanship, and a solid understanding of building techniques and safety standards.

Most positions fall under the Federal Wage System and are hands-on, often located at military installations, government buildings, or public infrastructure sites. Workers interpret blueprints, mix materials, and use specialized tools to complete projects that meet structural and aesthetic requirements. Whether constructing new facilities or maintaining historic ones, GS-3600 roles demand physical stamina, attention to detail, and the ability to work independently or as part of a team. These jobs are essential to preserving the integrity and appearance of federal properties.