Seasonal Heavy Mobile Equipment Mechanic

The typical seasonal period is October through March but can be variable during these months due to weather conditions, project needs, or funding. Anticipated Entry on Duty:
October 2026.

The Department of the Interior is recruiting for Temporary seasonal positions not to exceed 1039 hours work in a service year. Dates of employment will vary between sites depending on funding, weather conditions, and visitation. Within regulatory limitations, the length of initial appointment may be shortened or extended depending upon work availability and funding. These positions are located in Katmai National Park and Preserve:
King Salmon AK. Major

Duties include:

Overhauls, repairs, services and maintenance of heavy equipment such as bulldozers, graders, 10-cubic yard dump trucks, front end loaders and similar heavy construction and earth‑moving vehicles, including rock crusher equipment. Provides preventative maintenance of heavy equipment and vehicles in accordance with manufacturers' standards, park, and GSA policies. Work involves determining causes of mechanical operating problems, tracing and locating defects and making repairs.

In repairing, overhauling, and rebuilding major assemblies, systems, and vehicles, the WG‑10 mechanic traces and locates defect and causes of mechanical problems to determine type and extent of necessary repairs. Selects and complies with appropriate repair specifications and procedures; fits and installs parts such as pistons, valves, bearings, gears, and cylinders to appropriate tolerances and makes changes or modifications in accordance with specifications and guidelines.

To assure proper operation of the complete system or vehicle, connects, meshes, aligns, and adjusts items and systems accordingly.

Physical Demands:
Physical effort is active, requiring walking, standing, lifting (up to 50 pounds), stooping, and working in cramped positions. Occasionally strenuous physical effort is exerted in climbing and carrying hand tools and in the repair of powered equipment.

Working Conditions:

Works in areas that are frequently dusty, dirty, and greasy and is exposed to solvents, noxious gases and fumes that could result in burns, infections, and cuts. Works indoors and outdoors and must be capable of working satisfactorily in adverse conditions of rain, snow, and high insect density.