That's ridiculous. Take off your yarmulka to succeed in the workplace? I must vociferously object lest some innocent person be discouraged by your post. If you are talented and motivated, you will succeed. Your Yiddishkeit is not an obstacle; it's an asset.
I agree with the former part of this statement, but not the latter.
I agree that you should never, ever compromise your religious beliefs unless you are in a dire situation, but I do not agree that Yiddishkeit is necessarily an
asset in the workforce.
As a Frum Jew, you sometimes need to accept that there are limitations, especially in business. If you get turned down at an interview and you believe it is because of your Yarmulke, then remember that this is what is called a "Nisayon". If you actually
pay attention to what you believe in and what you Daven for
three times a day, then you already know that Hashem will provide, one way or another.
Another point: actively
seeking out Heterim to compromise on Yiddishkeit is one of the most dangerous and damaging things you can do to your spirituality and that of your family. Think of a Heter like medical steroids. When a part of your body like your lungs are G-d forbid failing, a steroid shot may be required to get it back to its normal function. It's a huge compromise, but one that is absolutely necessary. Take steroids too often, and it will destroy your body. Likewise, Heterim are meant to be used in dire situations.
Start getting a Heter to walk around without a Yarmulke and to shake hands with members of the opposite gender, and your children will take this to the next level. They won't care about the Heter or your lengthly explanation about why you needed to go without a Yarmulke.