From 2013 the RDF was reorganised into subunits of the Permanent Defence Forces as part of the 'Single Force Concept'
Naval Service Reserve
The NSR augments the crews of Naval Service vessels during Operational patrols of Ireland EEZ. The NSR conducts its own stand-alone operations within their respective ports.
RDF Employers Handbook
There are many advantages to having a Reservist in your employment, not least of which are a palette of transferrable skills acquired from the Defence Forces, a highly regarded training institution