Transmission Line Engineering Intern

Transmission Line Civil Engineering Summer Intern – 2026

Tri-State is an electric power utility providing electricity to rural electric cooperatives. We have a Transmission Line Civil Engineering Summer Intern opportunity for 2026. Students who have successfully completed two (2) or more years of undergraduate study towards a degree in Civil Engineering, Electrical Engineering, or Mechanical Engineering from an accredited college or university are encouraged to apply. Seniors who will be graduating in December or are planning to attend graduate school in the Fall are also encouraged to apply.

This summer position offers students a hands on opportunity to see how electric utilities design and maintain transmission power lines

Responsibilities: The intern will assist in gathering structure information for asset integration, and gain experience with the transmission industry standard program PLS-CADD by generating standard files and evaluating existing PLS-CADD models.

Projects may include the following:

• Transmission Asset Integration
• PLS-CADD Standard Library creation

Job Requirements: Attention to detail, strong communication, and strong work ethic.

PLS-CADD experience is preferred, but not necessary.

Duration and Work Schedule

The duration of the summer internship will be from about the end of May until the end of August.

The work schedule includes Monday through Friday, 8 hours per day, 8:00 a.m. to 5:00 p.m. or 8:30 a.m. to 5:30 p.m., forty hours per week. There is a possibility of telecommuting with 40% of the work week.

Tri-State offers a competitive pay rate for this position. The position is based at Tri-State’s Headquarters at 1100 W. 116 th Avenue, Westminster, CO 80234.

To apply

For more information and to apply please go to (Use the "Apply for this Job" box below). then click on the Careers link and search for Transmission Line Civil Engineering Intern. Please also attach to your online application your resume and most recent college transcript.

Preference will be given to students who attend accredited colleges and universities in Tri-State’s service territory which includes Colorado, Wyoming, Nebraska and New Mexico.

Equal Opportunity Employer

Tri-State is a wholesale power supply cooperative, operating on a not-for-profit basis, with 43 members, including 40 utility electric distribution cooperative and public power district members in four states:
Colorado, Nebraska, New Mexico and Wyoming. Together with its members, Tri-State delivers reliable, affordable and responsible power and energy services to more than a million electricity consumers across nearly 200,000 square miles of the West.

Tri-State was founded in 1952 by its member systems to provide a reliable, cost-based supply of electricity. Headquartered in Westminster, Colo., approximately 1,200 people are employed by Tri-State across five states.

Tri-State's electricity is generated from coal, natural gas and hydropower, with a rapidly increasing supply generated from wind and solar. Tri-State delivers power to its members through a transmission system that includes substation facilities, telecommunications sites and over 5,700 miles of high voltage transmission lines. Tri-State's transformative Responsible Energy Plan is reducing emissions, increasing renewable resources, developing new energy services and delivering more flexibility for its members.

• Job Identification 544
• Job Category Transmission Operations
• Posting Date 01/21/2026, 03:00 PM
• Degree Level Some College
• Job Schedule Full time
• Locations 1100 W 116th Ave, Westminster, CO, 80234, US