"at hiring" is correct and can be used in written English.
It is usually used in combination with the word "stage." For example, "We assess applicants carefully at the hiring stage."
Ms. Puddington said the organization excelled at hiring caring people, investing in training and supervising programs.
Q. Any other lessons? A. Being very good at hiring people is key.
When clients balked at hiring a woman architect, she would list the limitations of male architects.
(It draws the line at hiring people convicted of violent or sexual crimes).
Leagues are experts at hiring fancy investigators who uncover just enough to satisfy the public's curiosity.
In return, Facebook gets a shot at hiring the stars discovered along the way.
This may make you more effective at hiring people who will thrive in your organization.
One reason Embraer chose Melbourne was that it wanted the first chance at hiring laid-off shuttle workers.
Years ago, we did a study to determine whether anyone at Google is particularly good at hiring.
The commission says cargo theft, along with attempts at hiring workers with criminal records, remains a problem on the docks.
It's impossible to get better at hiring if you can't tell whether the candidates you select become good employees.
