TTAP provides entry-level opportunities for young adults and veterans with no prior experience. Participants receive hands on training in essential trade skills while helping address maintenance needs in national parks. This program builds the next generation of preservation workers focused on land and cultural resources, preparing them for careers in both the public and private sectors

These immersive internships focus on preservation projects for individuals with prior experience or education in trades. Interns work with NPS staff in masonry, carpentry, or woodcrafting, gaining advanced skills. Positions last 12 to 26 weeks, are eligible for Public Lands Corps Hiring Authority, and are based in Frederick, MD, with regional opportunities available.

This program offers technical internships in fields like engineering, architecture, and project management. Interns work on large-scale projects with NPS teams nationwide. Positions last 11 to 52 weeks, with some remote options, and offer a minimum wage of $18/hr, plus noncompetitive hiring eligibility.

In 2024, HPTC introduced a Wastewater Facilities Management internship under TTAP, providing hands-on experience in water treatment and wastewater management. Participants perform system readings, run tests, and maintain water systems, learning skills essential to maintaining NPS facilities, including emergency repairs