2026 Summer Intern at C&S Companies – SeaTec, Washington

At C&S Companies, we believe work environment, culture, and the opportunity to learn and grow are key elements when considering an internship. We are just the right size to provide the resources and support you need without the burdensome bureaucracy of a large corporate environment. To that end, we foster a family-friendly and supportive workplace; collaborative and employee-focused with an emphasis on quality, integrity, trust, fun and accountability.

Internship Program Overview

We maintain a robust and diverse internship program that offers relevant job experience in a challenging environment, working alongside our top professionals. Our teams are committed to providing unique and comprehensive opportunities. C&S is focused on innovation of our communities—so we invest in that future by adding diverse minds to our table.

What You Will Learn

• Practical application of your field of study
• Hands-on interaction with the day-to-day business requirements of our industry
• Exposure to diversified industries and specialties—all while networking with the top-skilled professionals in the industry

Who We Are Seeking

Our interns are dynamic individuals who are ready to join a highly supportive and passionate team. From our engineering disciplines to professional support, we are looking for energized students to bring creativity and innovation to our teams. Not only are they a part of the company, but they interface with our community and clients to provide the best solutions.

Estimated Compensation Range and Benefits

$16.00 - $29.00/hr*

Learn about our comprehensive Benefits

*Actual compensation may vary based on related work experience, geographical location and market conditions, education/training, certifications, and other credentials, as well as applicable knowledge and skills.

WHO WE ARE: C&S Companies is a national planning, design, and construction firm with more than 600 employees and growing. For more than 50 years we have been delivering critical infrastructure design, planning and construction services in aviation, civil/site infrastructure, construction and program management, construction/design-build, energy, environmental, facilities, architecture, planning, sustainability, and transportation. We have offices throughout New York State, California, Florida, Michigan, Arizona, Pennsylvania, Ohio, Washington, and Kentucky.