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Open: May 15, 2026 — Closes: May 28, 2026
Summary
This WG-5803-10 Heavy Mobile Equipment Mechanic position is located at Denali National Park & Preserve in Denali Park, Alaska, within the Maintenance Division. This is a permanent, Career-Seasonal appointment. Please see "Duties" section for more information. Park/Government housing may be available for this position.
Major Duties
Perform Repairs and Overhauls on Heavy Mobile Equipment: Carry out troubleshooting, repair, and reassembly of major components such as engines, transmissions, differentials, hydraulic systems, braking systems, and powertrain assemblies with minimal supervision. Diagnose Mechanical, Electrical, and Hydraulic Malfunctions: Use technical practices, test equipment (oscilloscopes, compression gauges, computer analyzers), and visual/auditory indicators to identify issues and determine the extent of required repairs. Interpret Technical Manuals, Schematics, and Specifications: Read and apply technical diagrams, service manuals, and specifications to correctly measure, fit, install, and adjust parts and systems. Operate, Inspect, and Service Heavy Equipment: Operate a variety of gasoline and diesel-powered engineering and construction equipment; perform safety inspections, servicing, and fueling prior to operation to ensure equipment readiness. Use and Maintain Tools and Test Instruments: Utilize hand tools, power tools, torque tools, and diagnostic instruments to repair, or rebuild vehicle systems while maintaining tools in safe working condition. Troubleshoot, Prioritize, and Complete Work Orders Independently: Perform repairs through work order systems, determine repair priorities based on equipment condition and mission needs, and complete tasks thoroughly with minimal return work or oversight. CAREER-SEASONAL APPOINTMENT: This is a permanent, Career-Seasonal appointment that includes the same benefits as Career appointments, but do not provide work on a year-round basis. This position will be in a non-pay status for a maximum of 2 pay periods (4 weeks) each year, scheduled sometime between mid-November and mid-December. 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 in high insect density.
