"At the end of the day Secretary McDonough has to take responsibility for it because he's in charge of the VA."

Since April, frontline VA staff have raised 576 tickets detailing patient safety concerns relating to the system rollout in Spokane.

Cerner CEO David Feinberg acknowledged the job losses in an internal email to staff.

Donald Remy has already chaired two meetings on the modernization program.

The VA plans to make several major changes to how it rolls out its $16 billion electronic health records modernization program.

Secretary McDonough said it will likely take two further weeks to determine additional changes to the program.