IT services and outsourcing provider Wipro Ltd. (NYSE: WIT) won a 10-year engagement to provide a suite of solutions and services to Lincolnshire, Ill.-based Alight Solutions LLC. The deal will include services in health, human resources and finance.

The deal, Wipro’s largest win to date, will bring the firm $1.5 billion to $1.6 billion in revenue over the tenure.

Wipro in 2016 acquired Indianapolis-based IT cloud consulting firm Appirio for $500 million. Appirio also owns Topcoder, a crowdsourcing marketplace with more than one million IT professionals, from coders to data scientists, on its platform.