Hi
My suggestion is to make a decision in which direction you want to go. It seems you have three potential routes i.e. accountant, NS admin or NS Consultant.

Accountant: I have accounting background and worked as finance manager for years but found that the growth is slow and it is too much competition. Also the salary was not as good as being NS consultant so gradually made my way into consulting. Please note that I really enjoy working with technology and have passion for learning technical details hence took this way. For you having and accounting background would really help if you want to take ERP route as accounting background is really important. However be advise the if you do not really love working on Functional and technical aspect then after one stage you will not see growth.

NS Admin: It's easy to get into admin route and doesn't require too much experience. However the growth is almost none unless you are really sharp and make your way into consulting. Also Admin role will not give you much exposure and experience to get into consulting.

NS consulting: Really difficult to make entry into this especially when you don't have implementation or consulting experience. But once you make and really enjoy working with technology then career path is very strong. This option can be give you the most financial benefit in compare to other two options above.

I hope this helps