The tune for this is fairly popular...
Here's the version sung by john Tams et al:

RAMBLING SOLDIER

I am a soldier,I will say,
That rambles for promotion.
I've laid the French and Spaniards low
Some miles across the ocean.
So now me jolly boys, I'll bid you all adieu:
No more to the wars will I go with you;
But I'll ramble the country through and through...
And I'll be a rambling soldier.

The king he has commanded me
To range this country over.
From Woolwish up to Liverpool,
From Plymouth back to Dover.
A courtin' all the girls, both old and young
With me ramrod in me hand, and me flattery tongue;
To court them all, but marry none...
And I'll be a rambling soldier.

And when these wars are at an end,
I'm not afraid to mention.
The King will give me my discharge,
A guinea and a pension.
No doubt some lasses will me blame,
But none of them will know my name:
And if you want to know the same...
It's - the rambling soldier!