What We're Looking For At HNTB, you can create a career that is meaningful to you while building communities that matter to all of us. For more than a century, we have been delivering solutions for some of the largest, most complex infrastructure projects across the country. With our historic growth, it is an exciting time to join our team of employee-owners. Our Northern California offices (Oakland or San Jose) are seeking an Intern within their Mechanical and Fire Protection Engineering depart