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Summary This WG-5803-10 Seasonal Heavy Mobile Equipment Mechanic is located at Zion National Park in Springdale, Utah. This is a Temporary, Seasonal appointment not to exceed 1,039 hours. Anticipated Entry on Duty (EOD): May 4th, 2026. Responsibilities 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. 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. Requirements Conditions of Employment U.S. Citizenship required. Appointment subject to background investigation and favorable adjudication. Meet Selective Service Registration Act requirement for males. DIRECT DEPOSIT: Selectee will be required to participate in the Direct Deposit Electronics Funds Transfer Program. Government housing is not available for this position. UNIFORM: You will be required to wear a uniform and comply with the National Park Service uniform standards. A uniform allowance will be provided. WORK SCHEDULE: You may be required to work evenings, weekends, holidays, overtime, and/or shift work. CDL: You must possess and maintain a current Commercial Driver's License (CDL) - Class A. DRIVER'S LICENSE: You will be required to operate a government (or private) motor vehicle as part of your official duties; a valid driver's license is required. You will be required to submit a Motor Vehicle Operator's License and Driving Record. You must also submit (within a State sealed envelope or submitted directly by the State authorities), and at your own expense, all certified driving records from all States that disclose all valid driver's licenses, whether current or past, possessed by you. Applicants must be at least 18 years old. Qualifications To qualify for this position, you must (1) meet the Selective Factor AND (2) you must have sufficient knowledge and ability in the job-related factors listed below. SELECTIVE FACTOR: You must possess and maintain a current, valid Commercial Driver's License (CDL) - Class A. You are required to upload a copy of your CDL (both front and back) at the time of application. -AND- To qualify for this position, you must have sufficient knowledge and ability in the following job-related factors: Ability To Do The Work Of The Position Without More Than Normal Supervision (SCREEN OUT): Experience performing common tasks under general direction in a full automotive service shop on heavy trucks, equipment, and automotive vehicles. Resume should demonstrate you have performed most or all of the following: replaced spark plugs, replaced water hoses and installed water pumps; replaced brake pads, replaced accessory belts and changed the oil on gas and diesel engines. Ability To Interpret Instructions, Specification, etc. (includes blueprints reading) Ability To Use and Maintain Tools and Equipment Knowledge of Equipment Assembly, Installation Repair, etc. Technical Practices (theoretical precise, artistic) Trouble shooting Use of Measuring Instructions If your knowledge and ability in the SCREEN OUT factor above is not sufficient, you will receive no further consideration. In preparing your application, describe in detail the experience and training which you have had that specifically prepared you for this job and to perform the duties described for this job. Experience should be clearly described and documented in your resume. The qualifications reviewer will not assume performance of such duties by Job Titles alone. Address your knowledge, skills and/or abilities in the areas shown in the job-related factors. Volunteer Experience: Experience refers to paid and unpaid experience, including volunteer work done through National Service programs (e.g., Peace Corps, AmeriCorps) and other organizations (e.g., professional; philanthropic; religious; spiritual; community, student, social). Volunteer work helps build critical competencies, knowledge, and skills and can provide valuable training and experience that translates directly to paid employment. You will receive credit for all qualifying experience, including volunteer experience. ICTAP/CTAP Statement: Current surplus and current or former displaced Federal individuals who have special prior­ity selection rights under the Agency Career Transition Assistance Program (CTAP) or the Interagency Career Transition Assistance Program (ICTAP) must be well qualified for the position to receive consideration for special priority selection. Well qualified means that the applicant meets the following: OPM qualification standards for the position; all selective placement factors, where applicable; special qualifying conditions that OPM has approved for the position, where applicable; is physically qualified with reasonable accommodation, where appropriate to satisfactorily perform the duties of the position upon entry; and is rated by the organization at least at the well qualified level on all competencies. Education There is no substitution of education for experience for Wage Grade (WG) positions. Additional Information Zion National Park is located in southwestern Utah. The climate is generally hot with daytime high temperatures ranging from 95 to 110 degrees in the summer, and 55 to 10 degrees in the winter. Nighttime lows range from 65 degrees in the summer to 10 degrees in the winter. Minimal shopping is available in Springdale, Utah, located two (2) miles from Park Headquarters. A full range of shopping, medical, dental, religious, and recreational facilities are available in Hurricane (25 miles), St. George, (45 miles), and in Cedar City, (63 miles), Utah. Elementary school (grades K-5) is available in Springdale, with bus service provided. Junior high and high school is available in Hurricane, with bus service provided. Utah Tech University is located in St. George, and Southern Utah University is located in Cedar City. **Due to the desirable nature of the area surrounding Zion National Park, please be sure to research and understand the limited housing options and the area's cost-of-living.** Park/Government housing is not available for this position. A selectee receiving a first appointment to the Federal Government (Civil Service) is entitled only to the lowest step of the grade for which selected. The display of a salary range on this vacancy shall not be construed as granting an entitlement to a higher rate of pay. This job opportunity announcement will be used to fill one or more additional selections at any time without notification. The locations listed on the announcement anticipate filling vacancies. However, not all grade levels may be filled at all locations. Eligibility and qualifications will be verified if there is a vacancy for the location and grade for which you applied. Non-Competitive Rehire Eligibility: Temporary seasonal employees can only maintain their non-competitive rehire eligibility if they work no more than a combined total of Temporary NTE less than 1040 hours anywhere in the National Park Service (NPS) within their established service year. Accordingly, non-competitive rehire eligibility allows for re-appointment to the same position or another position appropriate for temporary appointment with the same qualification requirements (5 CFR 316.402[b][7]), based on series and grade, anywhere in the major subdivision (NPS). If you have held a temporary seasonal appointment in the past 12 months and have already worked the maximum temporary appointment less than 1040 hours during that period, you are still welcome to apply. However, please be aware that exceeding the limit of 1040 hours in your established service year will result in the loss of your non-competitive rehire eligibility. The limit can be exceeded by working multiple temporary seasonal positions that result in a combined total greater than 1040 hours. The limit also can be exceeded by working a single temporary seasonal appointment that exceeds 1040 hours, unless granted an exception by OPM. Employment may be terminated at any time due to fluctuations in funding levels, project needs, employee performance, or other considerations.