UUJ missed out on a place in the Gaelic Life McKenna Cup semi-finals after this Casement Park win left them runners-up in Section C.
Kevin Brady scored a 65th minute goal for the Saffrons
Paddy Cunningham's four points helped UUJ to a 0-7 to 0-3 lead at the break.
Jordanstown made an impressive start to the second half and Paul Doherty's goal put them 1-9 to 0-3 ahead.
Kevin Brady netted as the Saffrons launched a comeback and they closed to within two points only for UUJ to go clear again with four late points.
Antrim: S McGreevy, C McGoldrick, C Brady, N Ward, C Lynch, G Bell, S McVeigh, J Quinn, A Gallagher, T Scullion, K Brady, H McKay, C Close (capt), M McCann, M Magill.
Gaelic Life Dr McKenna Cup results
Cavan 0-10 0-14 Tyrone (Kingspan Breffni Park)
St Mary's 0-10 1-7 Fermanagh (Tempo)
Armagh 0-9 0-6 Monaghan (Clones)
Derry 1-10 0-10 Queen's (Celtic Park)
Donegal 2-11 0-11 Down (Ballybofey)
Antrim 1-8 1-14 UUJ (Casement Park)
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