![_John-Hill](http://mainline.com/wp-content/uploads/2020/05/John-Hill.jpg)
John Hill joined Mainline in 2007 as a Systems Engineer specializing in tape storage. John performs data optimization services and also acts as a technical pre-sales consultant, assisting our customers with their tape environments. Having worked in IT for 36 years, with 23 years at IBM and IBM Global Services, John brings a wealth of knowledge and experience to our clients.