What We're Looking For Join our rapidly growing firm in Downtown L.A! Work on the most important Infrastructure projects in the region. HNTB has roots in Southern California dating back to 1914 with the landmark design of Pasadena's historic Arroyo Seco Bridge. HNTB in Los Angeles has received many honors in recent years, including Employer of the Year in by Women's Transportation Seminar, American Council of Engineering Companies Firm of the Year, and Best Places to Work in Los Angeles by Los A