"These signals apply to jobs at every level of an organization," Welch writes. "You can be right out of school, a middle manager trying to move up, or a senior executive looking for a top pick."

In "Winning," Welch has created a list of the most important signals to be aware of and how to read them:

People

Take it as a good sign if: You like the people a lot -- you can relate to them, and you genuinely enjoy their company. In fact, they even think and act like you do.

Be concerned if: You feel like you'll need to put on a persona at work. After a visit to the company, you find yourself saying things like, "I don't need to be friends with the people I work with."

Opportunity

Take it as a good sign if: The job gives you the opportunity to grow as a person and a professional, and you get the feeling you will learn things there that you didn't even know you needed to learn.

Be concerned if: You're being hired as an expert, and upon arrival, you will most likely be the smartest person in the room.

Options

Take it as a good sign if: The job gives you a credential you can take with you, and is in a business and industry with a future.

Be concerned if: The industry has peaked or has awful economics, and the company itself, for any number of reasons, will do little to expand your career options.

Ownership

Take it as a good sign if: You are taking the job for yourself, or you know whom you are taking it for, and feel at peace with the bargain.

Be concerned if: You are taking the job for any number of other constituents, such as a spouse who wants you to travel less or the sixth-grade teacher who said you would never amount to anything.

READ: TIP SHEET: Careers -- How to tell if job fits right

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