Job titles in the $4.3 trillion hedge-fund industry vary greatly from firm to firm. The lack of uniformity allows both firms and employees to present themselves in the best light.

Firms like $12 billion Brummer & Partners are hiring more internal portfolio managers.

Job titles in the $4.3 trillion hedge-fund industry vary greatly from firm to firm. The lack of uniformity allows both firms and employees to present themselves in the best light.

Consistently ranked among the world’s 10 largest hedge funds, Two Sigma has more than 2,200 employees, up from roughly 500 in the mid-2010s. The firm has a dozen offices in the United States ...