AT&T is an American multinational telecommunications corporation and the largest provider of mobile telephones in the United States. AT&T is the 20th-largest mobile telecom operator in the world, with over 250 million mobile customers and over 300,000 employees worldwide.
In 2007 AT&T opened its first R&D center in Israel. AT&T Israel is a part of the AT&T Technology Development Organization. The site in Israel employs hundreds of engineers, both in Israel and in the US. The Israeli site is involved in several core business projects of AT&T, including: software-defined networking, cloud computing, security, voice & web conferencing, IPTV, and more.
Employment is through a contractor