

Engineering, construction management, design and environmental services across infrastructure sectors.
Kleinfelder is seeking a highly motivated Engineering Intern for the Spring/Summer 2026 to work in our lively office environment. The Hamilton and Princeton office have a particular strength in water/wastewater engineering, water quality modeling, watershed and stormwater management. We routinely provide strategic planning, regulatory compliance support, and engineering services to a wide variety of public and private sector clients. The successful student candidate will be able to follow proper procedures, perform accurate computations, and build strong working relationships with coworkers.
As a Kleinfelder Intern, you will focus on learning how our organization runs and can expect to gain valuable insight that can further your interest within your chosen career field. You will also have an opportunity to meet with several department managers and learn more about the ins-and-outs of our firm's procedures and operations.