Western Digital (WDC -0.53%) is now on the hunt for a chief financial officer. The company announced that the man currently holding the position, Wolfgang Nickl, has resigned, effective November 17. He is leaving to take up the same job at ASML Holding in the Netherlands.

The company said it has undergone a search for his replacement.

Nickl became the CFO in August 2010. Previous to that, he held several positions in its finance and operations teams. All told, he has been at Western Digital for 18 years.

In the press release announcing the resignation, CEO Steve Milligan describes Nickl as "an outstanding leader both inside and outside the company."