Hundreds of NAB workers are set to be laid off, adding to job losses in the banking sector following a rival's decision to shed thousands of roles.
NAB has cut 410 jobs from its technology and enterprise operations division, while more than 300 others are affected by changes to their employment.
Some 127 new roles will be created in India and Vietnam.
A NAB spokesperson said having a global workforce would lead to better outcomes for customers through extended operating hours, speeding up processes and improving turnaround times.
"We regularly look at the way we work and how we're structured to deliver the best experience we can for our customers," the spokesperson said.
"The environment we operate in is constantly changing and we need to have the right structures alongside the right