You can only have one occupational pension if you have only one occupational invome.
So, on the pensions side, if you would like to boost pension saving - you could check with your pension/hr department what the AVC options for your Pension Scheme are.
You might then compare these with the AVC options if you were to use a PRSA AVC for your AVC instead.
You might also condier making some lump-sum investments with your money that is sitting in a bank account.
Equity, Property, Commodity, Private equity might all be suitable asset classes, to name a few, if you are willing to take on investment risk with a 10 to 15 year investment view in mind...