JOB SUMMARY: This position is located in Mojave National Preserve, in the Maintenance Division. Open to the first 50 applicants or until 01/11/2025 whichever comes first. All applications submitted by 11:59 (EST) on the closing day will receive consideration. MAJOR DUTIES: Operate heavy gasoline or diesel-powered engineering equipment to accomplish heavy construction and/or excavation work to grade surfaces to rough specifications on all types of terrain, to include mountains and steep slopes, graded curves and shoulders, hilly forests, rocky ground, and other surfaces with similar rough features. The equipment operated at this level typically include road graders, crawlers, tractors with bulldozer or angledozer blades, backhoes, front-end loaders, excavators, wheel loaders, trench diggers, skid steers, and large industrial tractors with pan or scraper attachments. The engineering equipment operated by this position meet the definition of a commercial motor vehicle, and the incumbent of the position is required to possess and maintain a valid Commercial Driver's License (CDL) with appropriate endorsements. Operate heavy engineering equipment such as road graders, crawlers, tractors with bulldozer or angle dozer blades, backhoes, front-end loaders, excavators, wheel loaders, trench diggers, skid steers, and large industrial tractors with pan or scraper attachments. Operate equipment on mountainous or steep terrain to excavate, backfill, grade, or level earth to rough specifications on such projects as breaking new ground for park trails, roads, culverts, canals, tunnels, or construction sites. IMPORTANT: Click the 'Apply for this job' button to view a complete job description.