Santa Ana-based MSC.Software, a developer of simulation software for product development, announced Tuesday that it has added Masood Jabbar to the firm's board. Jabbar was previously on the firm's board. Jabbar was previously an executive at Sun Microsystems, including serving as EVP, President of its Computer Systems Division, CFO, and Chief of Staff. Jabbar has also served at Xerox and IBM. Jabbar had served on MSC Software's board until early 2007.