http://www.prospects.ac.uk/information_officer_job_description.htm
Shows the wide range of tasks that may be involved. Not all of them in one job!
Many are core tasks for information professionals and librarians. Others are maybe less likely to be done by librarians in traditional roles.
And its not about being an IT nerd. Experts in knowing what need it to do, including developing specs for nerds. Dont need to know what's 'under the bonnet',