Affiliated Computer Services has signed a seven-year, $219m (£118m) deal to provide IT services to McDonald's.
Under the terms of the agreement, ACS will provide McDonald's with IT infrastructure services, including mainframe, enterprise servers, end-user computing and help desk support for more than 6,000 desktops.
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The services will support McDonald's IT infrastructure needs for North America and will be delivered from an ACS datacentre.
In addition, ACS said it will establish a centralised IT support office. An ACS spokeswoman said 90% of McDonald's IT workers will move to ACS.
"Our business is all about focus and discipline, and it requires relentless attention on the details and efficiency," said Dave Weick, McDonald's chief information officer.
"We find in ACS a company that has a superior track record managing complex, high-volume processes, a company that is service-oriented and flexible and nimble in working with clients."
Weick said the ACS deal will allow McDonald's to save money while providing continuing access to new technology.
"This contract represents a big win for ACS," said Lynn Blodgett, group president of ACS Commercial Solutions. "We are able to deliver end-to-end capabilities in IT, cost savings across all towers of service, retention of existing McDonald's employees, the ability to add or reduce capacity when needed and an assortment of improved efficiencies."
Linda Rosencrance writes for Computerworld