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Australia Post's restructure after years of "headwinds" that have seen the government-owned service's profits and business dwindle is underway, with hundreds of corporate support jobs understood to go this financial year.
9News understands that the job losses, spread across head offices around the country, could total up to 400 by the end of June, with a number of cuts already made. But no final number has been confirmed.
An Australia Post spokesperson said no frontline jobs would be affected by the ongoing restructure.
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"Australia Post has for a number of years been flagging the significant structural headwinds it is facing," the spokesperson said.
"Globally, letter volumes are declining due to increasing uptake of technology. At its recent half-year financial results, Australia Post announced it will report a full-year loss, the first time since 2015.
"With ongoing letters losses, and parcels growth moderating, a new operating model for Australia Post's corporate support office is being introduced to simplify our business and operating support structures.
"This will, in part, help Australia Post respond to the financial pressures it is facing.
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"As an entirely self-funded business that receives no taxpayer funding, Australia Post needs to adapt the structure of its support office team to be more efficient and face into these challenges."
The spokesperson said the changes were "designed to allow Australia Post to continue its critical role for Australian communities into the future".
The government-owned service announced earlier this year it was on track for its first full-year loss since 2015.
CEO Paul Graham at the time said they would adopt a new strategy to reform corporate support operations, as he confirmed "the headwinds facing our business have never been stronger".
"Our Post26 strategy will help position Australia Post to be financially, socially and environmentally sustainable and enable the business to make a positive contribution to Australian communities, now and in the future," Graham said.
"We are focusing on streamlining our product portfolio making us easier to do business with and continuing to be a leader in sustainability.
"However, further changes to the way we operate are necessary."
The federal government also announced a review of the service in February.
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