"We are currently talking about that with labour representatives ... Details should be decided on at the end of August," the magazine quoted her as saying in an interview published on Friday.
Lufthansa is seeking to take on staff with new skills to make itself fit for the digital age and is planning to make offers to 3,200 older administrative staff at its namesake brand to either undergo training, switch to another position internally or leave the company.
"We are ruling out compulsory redundancies, but not voluntary ones," Volkens said.
At the same time, Lufthansa is looking to bring in 200 new workers.
"This is not primarily about IT skills but about a cultural shift. Analytical and social competencies, such as the ability to work in virtual, international teams or to deal with complexity and agility, are at the foreground for me," she said.