Business / at work/ lay off / employee/ fire...

demitir
Fire- presente - demitir 
Fired - passado - demitido
He was fired last week. Ele foi demitido semana passada.

contratar
hire - presente - contratar 
hired - past - contratado

She was hired three months ago. Ela foi contratada há três meses atrás.

trajeto
to make the same journey regularly between work and home
fazer a mesma viagem regularmente entre trabalho e casa
(source: cambridge dicitonary)

dispensar 
Ex: A empresa dispensou 50% dos funcionários em março porque precisava cortar gastos. Podemos dizer: 
The employees were laid off  in March.

aposentadoria
Many teachers over the age of 50 are taking early retirement.
(source: cambridge dictionary)