Ten years after joining Amazon.com as vice president and CIO, Richard Dalzell has announced plans to retire at year end. Amazon has begun the search for a new CIO.

Ten years after joining Amazon.com as vice president and chief information officer, Richard Dalzell announced he plans to retire at the end of 2007. Dalzell’s retirement was noted in Amazon’s Aug. 27 8-K filing with the Securities and Exchange Commission.

Dalzell’s replacement has not yet been identified, but the search for his successor is under way, says an Amazon.com spokeswoman. There is no timetable for naming a new CIO. “In the meantime, Brian Valentine will continue running our e-commerce platform, Sebastian Gunningham will continue running our third-party platform and Andy Jassy will continue running our web services platform,” she adds.

Dalzell’s pay for 2006 topped $3.46 million and included a base salary of $211,502 and $1.61 million in stock awards and $1.64 million in stock options, according to a company proxy statement.

In addition to his CIO position, Dalzell has served as senior vice president since February. From November 2001 until January 2007 he was senior vice president, worldwide architecture & platform software. From October 2000 until November 2001, he was senior vice president and prior to that, from the time he joined Amazon.com in August 1997 until October 2000, he was vice president.

Amazon.com is No. 1 in the Internet Retailer Top 500 Guide.