Dixons has postponed hiring temporary staff for over the festive period, to enable those employed by embattled rival Comet to apply.
Comet went into administration last week, raising questions about the future of its 6,000 jobs across 236 stores.
As such, Dixons Retail - which owns Currys and PC World - delayed for a week the process of hiring around 3,000 Christmas staff.
It has now posted a job advertisement for temporary sale advisors on its website.
Successful applicants will be required to "provide great customer service" and help customers "find the right products for them".
The chain said it had already had over 500 enquiries - both in store and online - about the positions from Comet staff.
"We have been amazed by how many Comet employees have already come to talk to us," Dixon's chief executive Sebastian James said.
A company spokesman added: "Clearly this is going to be a difficult Christmas for them and their families - we'd like to offer some hope."
Dixons said it hopes "a good number" of the jobs will become permanent positions in the long-run.
Comet's collapse comes a month after fellow high street stalwart JJB Sports closed down, resulting in 2,200 job losses.
The chain was bought by investment firm OpCapita in February for a nominal £2.
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