Job Description: This person is in charge of implementing Information Technology Infrastructure Library (ITIL) policies, concepts and processes for managing IT services. ITIL impacts the management of hardware and software incidents, changes, configurations and security, among other areas. “It’s a process, discipline and framework to ensure IT has the right resources, equipment, software and people,” says David Van De Voort, a consulting principal at Mercer. “The ITIL manager has to be an advocate, ombudsman, salesman, visionary and organizer.”