Southern California Water Market Team
September 5, 2024Power Market Team
November 1, 2025
Welcome to Kleinfelder’s Seattle Area
Kleinfelder welcomes you to its Seattle, Washington, office! Our staff include engineers, field inspectors and technicians, and laboratory professionals. Our Seattle team is supported by more than 3,300 employees across more than 110 offices companywide.
Known for our technical excellence, Kleinfelder works without boundaries, priding ourselves on our resource-sharing culture which allows us to respond to short notice and large, multi-dimensional project demands. By carefully balancing our environmental, design, engineering, and construction services, we can deliver sustainable solutions and long-term strategic results that align with client requirements and standards of practice.
Together, we deliver – every day, on every project.
Let’s Connect
Recent Projects
Areas of Focus
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Design Services
Transportation Engineering
Energy Market Solutions
Work With Us
At Kleinfelder, we provide opportunities for each person to use their expertise and talents, grow professionally, and make an impact each and every day. We know our employees’ commitment, pride, and passion contributes to the success of the company and to the successes of our clients.
Our employees are the backbone of an integrated company that provides innovative, dependable, and sustainable solutions for our clients.
Make a difference in the industry and allow your career to progress into something greater at Kleinfelder. Our projects are challenging, our clients diverse, and your colleagues are leaders in their fields. Your continued professional growth is important to us, which is why Kleinfelder provides training and financial assistance to obtain professional registrations, supports participation in professional societies, and encourages technical paper submissions. At Kleinfelder, we maximize your career possibilities through career-challenging experiences.
Join Our Team!
Check out our open positions






Corporate social responsibility is integrated into how we operate, how we serve our clients, and how we support our communities. We recognize our responsibility to operate safely, ethically, and sustainably while creating value for our clients, our people, and the firm. Kleinfelder reports safety, operational, and ESG performance across multiple third-party platforms, including Avetta, ISN, Veriforce, Novata, EcoVadis, and the Carbon Disclosure Project (CDP).






