Old faces in workplaces, perhaps

• Takes on again
• Brings back to the team, say
• Puts back on the payroll
• Brings back on the staff
• Brings on again
• Familiar work force add-ons, maybe
• Brings back on board
• Does a post-layoff chore
• They're back on board

Wiktionary Word definitions in Wiktionary
vb. (en-third-person singular of: rehire )