Boston-based private equity firm Bain Capital Private Equity LP agreed to purchase a majority stake in technology company Rocket Software Inc. in a deal with an enterprise value of about $2 billion. Court Square Capital Partners currently owns Rocket Software.

Rocket Software is a global technology provider specializing in designing and delivering enterprise modernization and optimization solutions. President and CEO Andy Youniss will continue to lead Rocket Software's management team, which will remain intact.

The deal is expected to close during the fourth quarter, subject to regulatory approvals and other customary closing conditions.

Morgan Stanley & Co. LLC and Credit Suisse acted as financial advisers and Dechert LLP served as legal adviser to Rocket Software. Bain Capital sought legal counsel from Kirkland & Ellis, while PwC is its accounting adviser.