At Mott MacDonald, we trust our brilliant people to do brilliant things in engineering, management, and development services, supporting multisector project work in over 150 countries. As one of the largest employee-owned companies in the world, we pride ourselves on our ability to deliver exceptional outcomes through our network of 20,000+ talented consultants. With sustainability and innovation at the heart of all our sectors in North America, including, Buildings, Energy, Transportation, and Water. We believe in empowering our people to excel, learn, and grow, offering diverse opportunities to contribute to career-defining work. Join us and be part of a collaborative environment where your ambitions are united with ours, and you can truly shape your story. NASA is seeking a dynamic, highly motivated, and experienced Team Leader with at least 20 years of experience in water and wastewater infrastructure projects to join our Seattle, WA office. In this role, you will serve as the Principal on large, complex projects, lead the technical development of proposals and build a local team. The position offers excellent potential for professional growth and the opportunity to collaborate not only with water resources personnel, but with our many practices including tunnelling, dams, geotechnical, energy, and transportation. The qualified candidate must have strong leadership and program management experience and direct business development experience during their career, with the ability to generate project leads, build client relationships, and win work.