Geotechnical Engineering Intern

At Mac Kay, we believe great people are the foundation of our growth and success.

We are in an exciting phase of expansion, creating new opportunities for our employees to take on meaningful work, collaborate across disciplines, and build long‑term careers. Whether your role is technical or part of our support services team, you play an important role in delivering high-quality work and helping our projects succeed.

Nelson Geotechnical Associates is seeking a Geotechnical Engineering Intern to join our team for Summer‑Fall 2026 in Wenatchee, WA.

Candidates should be currently enrolled in a geotechnical engineering, geology, or related program, with a preference given to those entering their senior year. Recent graduates preparing for geotechnical careers are also encouraged to apply. This paid internship will last approximately 3–6 months and is designed to provide hands‑on experience in geotechnical engineering, including field investigations, laboratory testing, and engineering analysis for a variety of projects.

At Nelson Geotechnical Associates, we’re always looking for ways to help you grow in your career. You’ll work alongside experienced engineers and geologists, contributing to real projects while developing practical skills in construction observation, subsurface exploration, soil and material testing, and technical report preparation. We’re eager to teach you new skills that will help you grow in your career!

We live by our core values of honesty, dedication, and relationships. We make decisions every day based on these values, which drive us to do the right thing even when it’s hard. Our vision is to work with cool people on cool projects, and we want people on our team who will add to the realization of our goals.

We encourage you to ask around about us. Do some digging. We’re confident that you’ll want to learn more.

• Perform construction monitoring to ensure compliance with project specifications and geotechnical recommendations.
• Conduct laboratory testing on soil and material samples.
• Prepare detailed field reports documenting site conditions, observations, and testing results.
• Support geotechnical site investigations, including subsurface exploration and data collection.
• Develop practical experience in how to resolve engineering problems and adapt approved engineering methods and standards.
• Build foundational experience in how to review and interpret plans, site layouts, specifications or construction methods to ensure compliance to legal requirements and safety regulations.
• Meet deadlines, communicate and work closely in a team environment.
• Prepare engineering designs and specifications on assigned portions of a project accurately and in a timely manner.
• Assist in the analysis of complex engineering data such as preliminary specifications, laboratory data, and other technical data.
• Communicate field observations clearly through written reports and verbal updates to project teams.

• Must be currently enrolled or a recent graduate of an accredited Bachelor of Science degree with major coursework in geotechnical engineering, geology, or a related field.
• Excellent computer, writing, communication and customer service skills.
• Experience using Microsoft 365 including Word and Excel.
• Ability to stand, walk, bend, kneel, and crouch on various terrain at job sites.
• Ability to regularly lift up to 50 lbs.
• Experience with engineering computer applications such as AutoCAD Civil 3D preferred.
• EIT certification or ability to sit for the FE exam within 12 months of hire preferred.
• Valid driver’s license required.

At Mac Kay, we put people first. We are committed to creating an environment where employees can grow, contribute, and do their best work. We support well‑being, encourage balance, and create space for people to succeed both professionally and personally.

Our teams take on complex infrastructure and environmental challenges that support critical systems and shape the places where people live and work. Every role contributes to delivering that work and making it successful.

We are in an…