We're a consulting engineering firm offering a full range of services throughout
Montana, Washington, Idaho, North Dakota and Pennsylvania.

Landscape Architecture
Water & Wastewater
Funding Procurement
New Office Locations

Services Designed with You in Mind

  • Civil Engineering

    Civil Engineering

    Creative solutions for structural, transportation, geotechnical & construction management Learn More about Civil Engineering
  • Structural


    Fast, accurate, cost-effective solutions for everything from bridges to buildings Learn More about Structural
  • Geotechnical


    You'll find the leading experts in the geotechnical engineering field right here Learn More about Geotechnical
  • Transportation


    Creating safe and efficient transportation designs for roads and bridges since 1965 Learn More about Transportation
  • Recreation


    From meandering bike & pedestrian paths to skate parks & wave riders, talk to our experts Learn More about Recreation
  • Surveying


    Licensed surveyors using the latest technology for commercial and residential survey projects Learn More about Surveying
  • Industrial


    We have been providing quality services to industrial clients since 1965 Learn More about Industrial
  • Construction Administration

    Construction Administration

    We ensure a smooth process from pre-bid conferences to inspection and quality control Learn More about Construction Administration
  • Water System Engineering

    Water System Engineering

    Wastewater collection and treatment solutions that are human & environment-friendly Learn More about Water System Engineering
  • Wastewater Systems

    Wastewater Systems

    We design water distribution, storage and treatment solutions for communities and individuals Learn More about Wastewater Systems

TD&H Engineering Recent Blog Posts

  • Civil Engineer (Structural Emphasis)

    TD&H Engineering has an immediate opening in the Spokane, WA office for a civil engineer with an emphasis on structural design.
    Applicants must possess either a Bachelor of Science degree or higher from an accredited university. Certification as an Engineer-in-training is a minimum, Professional or Structural Engineering licenses (PE and/or SE) are encouraged to apply. Exceptional communication skills, along with a strong team attitude and a positive client focus are essential. Work will include an emphasis in structural engineering design for a wide variety of projects.
    TD&H offers a competitive compensation and benefits package, as well as opportunities for continuing education and career advancement. More >

    Read More

  • Construction Representative/Field Engineer

    The Bozeman, Montana regional office of TD&H Engineering has an immediate opening for a Construction Representative/Field Engineer. The position includes inspection, testing, and overall administrative and technical direction for projects.
    TD&H Engineering is a mid-sized civil/structural/geotechnical engineering firm with offices in Montana, Washington, Idaho, North Dakota, and Pennsylvania. This is a full-time, hourly position. TD&H is an Equal Opportunity Employer and provides competitive wages, a comprehensive benefits package, opportunities for advancement, and continuing education.
    To apply, send an email with resume, cover letter, and list of references to human.resources@tdhengineering.com This position will be open until filled. No phone inquiries please. More >

    Read More

  • Professional Land Surveyor

    The Lewiston, Idaho regional office of TD&H Engineering has an immediate opportunity for a Professional Land Surveyor.
    Applicants must possess the knowledge and experience necessary to plan, organize, and engage in land surveying to determine precise location and measurements of points, elevations, lines, areas, and contours for construction, map making, land division, titles, mining, construction staking and other purposes. Experience with legal property research and the ability to work with minimal supervision are necessary. Experience working GPS, total stations, and other standard survey equipment is a must. Travel may be required. Salary level will be dependent on experience and abilities. Professional licensure in the State of Idaho is required. More >

    Read More

  • View All

Active Projects