This summer, instead of enjoying vacations, many IT and telecom professionals likely are out job hunting in the aftermath of layoffs.

The trend of IT and telecom giants trimming expenses continued during the first half of this year as numerous big names announced job cuts. And with CompTIA forecasting a bleak outlook for telecommunications, more job cuts are likely during the remainder of the year.

Our layoff tracker recaps the cuts that have occurred so far this year, whether prompted by M&A or streamlining measures. Companies featured include Oracle, Vonage, Windstream, Microsoft, Rackspace, Zayo and Verizon.