What is the role and responsibilities of "Internet Marketing Executive" in an E-commerce Environment ?

manage e-marketing campaigns to some extent..

-- SEO

-- PPC

-- Social

-- Email

-- Affiliate

-- Content

-- Price Compairson Engines if you have product to sell

-- Tracking, tagging & analytics packages such as Tagman, Google Analytics

-- Campaign detailed reporting to calculate budgets and ROI

-- Reporting daily sales, cost, budget, planning for next day etc to managers

-- listen to your manager ..