Social Media marketing and content management

For the launch of a new website (already developed), need content management and social marketing management, 3 month contact.
Developing:
o Creating engaging and integrated marketing material (logo redesign, blogs, graphics, short messages etc) and collateral in line with brand direction
o Implementing campaigns across channels
o Website content consistent with campaign
o Testing website and preparing test reports for IT team to take action
o Taking ownership to suggest improvements in features
Implementing:
o Ensuring consistency of brand voice, style and tone across all content.
o Implementing online marketing campaigns integrated across Social Media
o Implementation of SEO/SEM, demand generation etc.
o Advertisement based and organic campaigns, with targets

Tracking and Measuring:
o Tracking effectiveness of various campaigns and course-correcting as required.
o Generating reports and delivering actionable insights and recommendations to improve campaign effectiveness