Aaron Glenn has held a few notable NFL coaching roles, so the hiring date depends on which job you mean. Most commonly, people asking “when was Aaron Glenn hired?” are referring to either his Detroit Lions or New Orleans Saints roles.

Key hiring dates

  • Aaron Glenn was hired by the New Orleans Saints as their secondary coach on January 13, 2016.
  • He was hired by the Detroit Lions as their defensive coordinator on January 23, 2021.

If you meant a different Aaron Glenn job (like his head‑coach role with the Jets or a specific team), say which team you have in mind and that exact hiring date can be pinned down as well.