There was uncertainty over whether or not the former Drogheda United manager would continue in his role when his initial contract ended a month ago but despite rumours linking him to succeed Stephen Kenny as Shamrock Rovers manager, the 49-year-old will continue to work with the Ireland's young stars.
It was thought Doolin would be requested to extend his brief to include the under 17 manager's post on foot of John Morling's resignation last week but that prospect has been ruled out.
Ireland begin their UEFA U19 European Championships qualifiers in October when the Young Boys in Green take on Germany, Macedonia and hosts Luxembourg.
The former UCD boss had a relatively successful first twelve months in charge of the under 19s as he ended a ten year European Championships drought, guiding his squad to the semi-final stage before being beaten by Spain.
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