What they do all day? These engineers use knowledge of math, physics, and geology to keep oil and gas production running smoothly from a project's beginning to end. They may work on both technological and financial operations -- including evaluating possible drill sites, estimating costs, planning and overseeing production, and supervising cleanup when a project's done.

How to get the job?

What's great? What's not? --J.A.

What they do all day? These engineers use knowledge of math, physics, and geology to keep oil and gas production running smoothly from a project's beginning to end. They may work on both technological and financial operations -- including evaluating possible drill sites, estimating costs, planning and overseeing production, and supervising cleanup when a project's done. --J.A.