When it comes to IT multinationals, Oracle is a discreet giant. You won’t see its logo pop up on your screen unless your work involves diving into the entrails of the cloud. And while it easily ranks among the ten US tech firms with the largest business based in Ireland, its Dublin operations display none of the towering architectural ostentation on show at Google or Facebook’s HQs in the Silicon Docks, or on Microsoft’s Sandyford campus. Instead, Oracle is nestled in the low-key East Point business park next to Dublin Port, where it owns an office complex that doesn’t look…