It seems that MonolithSoft’s Kyoto Studio is now hiring for a new, 3DS-related project.

MonolithSoft’s Kyoto studio opened in July, 2011, when they first posted the recruitment page for 3DCG Designers, Management staff, and System Management staff. Now they have included Effects Designer and Motion Designer as open positions. Reportedly, MonolithSoft opened a branch in Kyoto to work more closely with Nintendo, whose own headquarters are also in Kyoto.
You can read google’s translation here.
Or read the original text instead.
Apparently it’s not said explicitly that this project is tied to the Nintendo 3DS, but they certainly have implied so with the image they posted.

[...] job askings below the above recruitment poster, in their recruitment page, they ask for all the trimmings, both creative and bureaucratic, and have just recently added in [...]