Pros
The team and my manager I worked with was just amazing and very helpful!! Most individuals are willing to help you throughout your career here and understand everything has a learning curve. The pay is decent and the benefits are pretty good. They match 401K at dollar to dollar up-to 6%, base salary is slightly higher than average, medical and dental is very good. The stock equity program is a decent perk depending on the stock price, but it takes three years to vests. The company in general is a nice place to work with a lot of opportunity to learn and once you are trusted by everyone, there is a lot of flexibility (at-least the team I was in). Overall the manager, the team and the people you work with makes working at Calpine great!
Cons
Senior management is not understanding of the employees' needs at all and all they care about is cutting costs every year, knowing that's not possible. Thad Hill is not the best CEO to lead the company and stock price and investor reviews prove that (they need to bring Jack Fusco back). The HR is very slow on everything and is hard to get anything out of them, they seem to make up random policies and alter them every so often with no real reason. The HR department also does not care about employees' needs and issues (I personally had bad experience every time and from speaking with other colleagues, heard the same). Promotions and salary bumps are minimal at best (all promotions, new position, and internal job changes have to be approved by the CEO). It is a company of 2,000+ employees, I am sure the CEO can focus on better items then reviewing every single position (hence, need a better CEO to focus on moving the company forward rather than beating the employees on little things).