staffing

/S T AE1 F IH0 NG/
verb
  1. 1

    To supply (a business, volunteer organization, etc.) with employees or staff members.

noun
  1. 1

    The practice of hiring and firing staff

  2. 2

    The personnel required for some project

Source: https://en.wiktionary.org/wiki/staff, https://en.wiktionary.org/wiki/staffing