Bechtel Corporation (Bechtel Group) is the largest construction and engineering company in the United States, ranking as the 5th-largest privately owned company in the U.S. Its headquarters are in the Financial District of San Francisco.
With an advanced biology degree, you can get a job as a biological research scientist. They conduct research, either independently or as part of a team, and they use the knowledge acquired from their research to develop medicine, diagnostic tools, and other products.
With a bachelor's degree in zoology, you can get an entry-level job as a zoologist or wildlife biologist, since there are minimal education and experience requirements. Once you gain more experience, you can move up to higher paying positions.