Maintenance Mechanic (Seasonal) @ National Park Service

Job Summary

The typical seasonal entry-on-duty period for Seasonal Staffing Office-Yosemite National Park is April - May, but can be variable during these months due to weather conditions, project needs, or funding. Open to the first 165 applicants or until 10/26/2026 whichever comes first.

Qualifications

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) Ability To Interpret Instructions, Specification, etc. (includes blueprints reading) Ability To Use and Maintain Tools and Equipment. Knowledge of Equipment Assembly, Installation Repair, etc. Knowledge of Materials Technical Practices (theoretical precise, artistic) Use of Measuring Instruments 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. Your resume must support your response to the assessment questionnaire, and if it does not, your application will be marked as not eligible. 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. You must meet at least 2 points on the screen-out element(s) and obtain an average of at least 2 points on all of the job elements to be considered qualified for this position. 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.

Major Duties

• Some of the major duties you will perform include but are not limited to the following: Must have journey level skill in at least two of the following trade areas: Electrical: Performs all preventative maintenance, operational checks, repair, layout, installation, troubleshooting, tracing, locating defects, modification on and new and existing secondary electrical systems from transformers to final connections park wide.
• Plumbing: Installs, modifies, and repairs new and existing utility, supply, and disposal systems and equipment such as sewage, water, oil, and gas distribution systems and water closets, tubs, fire sprinkler systems, and showers, and lay out of such things as angles, arcs, and circles.
• Utilities Systems Repair-Operator: Work independently to troubleshoot, repair, modify, overhaul, test, calibrate and install a variety of multi component industrial and precision instruments and equipment.
• Engineering Equipment Operator: Serves as a primary equipment operator.
• Operates one or more types of gasoline/diesel powered wheeled or crawler-type engineering and construction equipment with a Gross Vehicle Weight (GVW) of 72,000 pounds to push, pull, move, transport, or load earth, gravel, sand, supplies, materials, equipment and refuse.
• Position will operate mobile and fixed cranes.
• Physical Demands: Physical effort is heavy to moderate and requires occasional lifting or handling of objects or materials up to 50 -100 pounds, unassisted, following proper lifting procedures to avoid injury.
• Frequently required to stand while working, climb ladders or scaffolding, and bend, stoop, climb, and work in awkward positions.
• This requires standing, bending, stooping, kneeling, climbing and working in tiring and cramped positions.
• Working Conditions: Exposed to a variety of seasonal weather conditions while working outdoors (temperatures -40 to 90+ degrees).
• Subject to danger of falling from ladders or scaffolding.
• Exposed to dust, dirt, wind, and rain.
• May work with dangerous chemicals and around moving equipment, paints, solvents, etc.
• May be exposed to electrical shocks and biting insects.
• The incumbent's clothing may become soiled from grease, dust and chemicals.
• There is frequent exposure to the possibility of cuts, bruises, falling, burns, broken bones and chemical vapors, constant noise, rotating machinery, dust, grease, chemicals, oil, fumes and infectious blood pathogens when working in or about systems.
• Incumbent may also be exposed to energized circuits, electrical shock, burns, electrical rotary devices, cuts and abrasions from the use of tools and equipment and burns from chemicals.
• The incumbent is required to wear prescribed safety equipment and to adhere to safety rules and regulations, and standards as set by OSHA and the Park's established Safety Plan.
• Snowmobile operation is occasionally required for winter operations at some park locations.

Requirements

• Must be a U.S. Citizen or National.
• Appointment subject to background investigation and favorable adjudication.
• Males born after 12-31-59 must be registered for Selective Service.
• Direct Deposit participation required.
• Successfully pass the E-Verify employment verification check.
• To learn more, visit Home | E-Verify Must have and maintain a valid driver's license throughout employment.
• Depending on the Park and Duty Location - Backcountry travel may be required.
• Government housing may be available but is not guaranteed.
• Use find a park to contact specific parks for more information on government housing.
• You are required to wear a uniform and comply with the uniform standards.
• A uniform allowance will be provided.
• You may be required to complete training, obtain and maintain a government credit card with travel and purchase authority.
• You may be required to work on-call, evenings, weekends, holidays, overtime and shift work.

You must be at least (1)18 years old or (2) at least 16 years old and:

• (a) Have graduated from high school or been awarded a certificate equivalent to graduating from high school; or
• (b) Have completed a formal vocational training program; or
• (c) Have received a statement from school authorities agreeing with their preference for employment rather than continuing their education; or
• (d) Be currently enrolled in a secondary school and either work only during school vacation periods or work part-time during the school year under a formal student employment program.