Not saying that it is an easy place to get in to - the bar is high, but if you are good enough to get in it is fairly chilled.
FWIW I interview a lot of candidates and there is quite a broad range of ages from college grads up to and including folks older than me. The hiring process is flawed in many ways, but they do seem to go out of their way to be fair and equitable regarding age race gender etc. It is no longer "culture fit" examined during interview for example, but now "culture add"