update

        [HttpPost]
        public ActionResult SubmitForm(string jobRole)
        {
            if (Tracker.Current != null &&
                Tracker.IsActive == true &&
                Tracker.Current.Contact != null)
            {
                var personalFacet = Tracker.Current.Contact.GetFacet<IContactPersonalInfo>("Personal");
                personalFacet.JobTitle = jobRole;

                var emailFacet = Tracker.Current.Contact.GetFacet<IContactEmailAddresses>("Emails");

                var newEmail = emailFacet.Entries.Create("WorkEmail");
                newEmail.SmtpAddress = "testing@sitecore.net";

            }           
        }