Maintenance Worker Leader (Trails) (Seasonal)

National Park Service•Yosemite National Park, CA
•Onsite

About The Position

This is a temporary seasonal position leading a trail maintenance crew and providing guidance across multiple projects. The anticipated entry-on-duty period is April through May, but timing may vary based on weather, project needs, or funding. The appointment is expected to end when the season’s work is complete and may not exceed 1,039 hours, or up to 1,560 hours where an approved exception applies. Employment may end earlier due to funding, project needs, performance, or other considerations. The position performs journeyman-level trail maintenance, dry and wet stone masonry, trail and bridge construction, and rigging work, while directing and supervising employees. It also involves managing backcountry camps, designing simple trail projects, estimating labor and project costs, and transporting and operating mid-duty equipment. Work takes place outdoors in varied terrain, including elevations up to 13,000 feet, and in adverse weather. The role requires living and working in backcountry areas in close contact with small groups for extended periods. Trail work is dusty and may involve hazards associated with rocks, logs, rockslides, stock, explosives, tree felling and bucking, and machinery. Heavy physical effort is required, including lifting and carrying objects over 100 pounds, moving rocks and logs, using tools extensively, and hiking up to 20 miles a day while carrying a backpack and tools. The position requires a valid driver's license, uniform wear, training, and obtaining and maintaining a government credit card with travel and purchase authority. Government housing may be available but is not guaranteed, and occupancy of government quarters may be required. Work may include on-call duty, evenings, weekends, holidays, overtime, and shift work. Pre-employment and random drug testing are required.

Requirements

  • Be a U.S. Citizen or National.
  • Meet the minimum age requirement: 18 years old, or at least 16 and meeting one of the stated education, vocational training, school-authority, or student-work conditions.
  • Pass a background investigation and favorable adjudication.
  • Males born after December 31, 1959, must be registered for Selective Service.
  • Participate in Direct Deposit and successfully pass E-Verify employment verification.
  • Pass pre-employment and random drug testing; a verified positive test prevents appointment.
  • Wear the required uniform and comply with uniform standards.
  • Complete training and obtain and maintain a government credit card with travel and purchase authority.
  • Have and maintain a valid driver's license throughout employment.
  • Demonstrate ability to perform the work without more than normal supervision and ability to lead or supervise; at least 2 points are required on the screen-out element and an average of at least 2 points on all job elements.
  • Demonstrate knowledge and ability in equipment assembly, installation and repair; technical practices; measuring instruments; interpreting instructions and specifications, including blueprint reading; using and maintaining tools and equipment; and materials.
  • Provide a resume that documents relevant experience and training and supports assessment questionnaire responses.
  • There is no substitution of education for experience for Federal Wage System positions.

Responsibilities

  • Lead a trail maintenance crew and provide guidance on multiple simultaneous projects.
  • Perform journeyman-level trail maintenance, dry and wet stone masonry, trail construction, bridge construction, and rigging tasks.
  • Direct, oversee, and supervise employees.
  • Perform camp maintenance and management, including camp layout, moves, and setup.
  • Design simple trail projects and prepare estimates for labor, supplies, materials, and contracted services.
  • Transport and operate mid-duty equipment such as skid steer tractors, mini excavators, and backhoe loaders.

Benefits

  • A uniform allowance will be provided.
  • Government housing may be available but is not guaranteed.
  • Federal employees and their families may have access to a federal benefits package; specific eligibility depends on position type, and applicants are directed to contact the hiring agency for details.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service