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by yakkomajuri 1626 days ago
It's certainly not a necessity, but it can help.

Back when I used to work as a consultant I got 3 good clients mostly via LinkedIn, including a Fortune 500 company that cold messaged me.

As for regular employment, there's often a multitude of ways to apply, so LinkedIn isn't necessary. If you need a good LinkedIn profile to get hired, well, that's another debate.