Civil Engineering Intern

The Opportunity:

Join our Mountain Team as a Civil Engineering Intern in Frisco, Colorado, supporting land development and site design projects. This role offers hands-on experience in engineering design, permitting, and project execution, while working alongside experienced professionals in a dynamic consulting environment.

Why Tetra Tech:

At Tetra Tech, we are Leading with Science® to solve the world’s most complex challenges. Our experts in engineering and consulting are dedicated to driving positive change in communities around the globe.
For over 50 years, Tetra Tech has been a leader in innovation and sustainability, delivering cutting-edge solutions across water, environment, energy, and international development. Our work has improved more than 625 million lives worldwide.

Your Impact:

Join Tetra Tech to make a real difference. You’ll work with advanced technologies, analytics, and world-class engineers and scientists to create meaningful change.
Discover your full potential — advance your career while helping to shape a sustainable future.

Position Summary:

The Civil Engineering Intern will assist in the design and permitting of land development and site design projects. Under the supervision of senior engineers, this position supports the preparation of plans, calculations, reports, and cost estimates, applying standard engineering practices to real-world challenges.

Essential Job Functions:

• Assist in the design and permitting of land development and site design projects.
• Perform conceptual and detailed design calculations and analyses.
• Prepare detailed engineering reports and supporting documentation.
• Assist in developing construction drawings, specifications, and cost estimates.
• Ensure adherence to standard engineering practices and project documentation requirements.
• Coordinate with other engineering disciplines.
• Plan, coordinate, and execute work safely, efficiently, and in compliance with regulations.
• Perform other related duties as assigned.

Required Qualifications:

• Third- or fourth-year student pursuing a Bachelor’s degree in Civil Engineering.
• Familiarity with relevant engineering codes and industry standards.
• Proficiency in AutoCAD Civil 3D and Microsoft Office (Word, Excel, Project).

Preferred Qualifications:

• Familiarity with MicroStation is a plus.
• Coursework or experience in land development, grading, and drainage design.
• Previous internship or co-op experience in civil or site design engineering.

Physical Requirements:

This role requires physical and sensory capabilities suitable for both office and field environments. Candidates should be able to sit, stand, walk, and climb for extended periods; occasionally lift up to 25 pounds; and perform tasks requiring manual dexterity and visual acuity, such as operating computers, reading plans, and inspecting sites. Clear verbal and written communication is essential, and the position may involve occasional bending, stooping, reaching, or climbing ladders or stairs.

Work Environment / Environmental Factors:

This position is primarily office-based but includes occasional field visits to project sites such as construction areas, treatment facilities, or outdoor environments. Fieldwork may involve exposure to weather, noise, dust, and uneven terrain. While standard business hours apply, some extended hours may be necessary to meet project deadlines.

Additional Information:

• Employment Type: Internship
• Location: Frisco, CO
• Schedule: Full-time, temporary (internship duration)
• Travel: Minimal
• Compensation Range: $23 – $26 per hour, depending on experience
• Posting Expiration Date: December 5, 2025

Life at Tetra Tech:

Enjoy a workplace that values your growth and well-being, including:

• Comprehensive, market-competitive benefits
• Merit-based financial rewards
• Work/life balance and flexibility
• A collaborative team atmosphere that values every contribution
• Learning and development opportunities for professional advancement