If you hire someone, you employ them or pay them to do a particular job for you. Sixteen of the contestants have hired lawyers and are suing the organisers. The rest of the staff have been hired on short-term contracts. He will be in charge of all hiring and firing at PHA.
If an employer fires you, they dismiss you from your job. If he hadn't been so good at the rest of his job, I probably would have fired him. She was sent a box of chocolates along with a letter saying she was fired.
When an employer dismisses an employee, the employer tells the employee that they are no longer needed to do the job that they have been doing. the power to dismiss civil servants who refuse to work.