JOB SUMMARY: This position is a Heavy Mobile Equipment Mechanic, WG-5803-10, working in Jackson, Wyoming, for the National Elk Refuge. The National Elk Refuge was created in 1912 to protect habitat and provide sanctuary for one of the largest elk (also known as wapiti) herds. This position is also open to the public under announcement R6-25-12604719-CL-DE. You must apply to each announcement separately if you wish to be considered under both recruitment methods. MAJOR DUTIES: As a Heavy Mobile Equipment Mechanic, your duties will include, but are not limited to, the following: Excavate, build, grade, load, level and finish to exact specifications using an excavator, bulldozer, loader, backhoe, road grader, forklift, scraper or trencher close to above and below ground facilities and equipment such as structures, utility lines, culverts, irrigation equipment, fences and pavement, based on engineering drawings as appropriate. Perform welding activities utilizing a variety of welding methods and equipment including acetylene, electric, and MIG Welder. Perform plumbing installation, modification repair of disposal systems, water filtration systems, sewage systems, oil and gas distribution systems, tubs, fire, sprinkler and shower systems. Install and repair concrete and masonry structures, including forming, pouring, and finishing slabs, foundations, water crossings, block walls, buildings, etc. Perform routine servicing, operation and repair of heavy equipment such as draglines/cranes, excavators, dozers, forklifts, dump trucks, front-end loaders, motor/road graders, and backhoes. IMPORTANT: Click the 'Apply for this job' button to view a complete job description.