On Page SEO for site hit by Panda / Penguin

Our site appears to have been effected by the Google Penguin / Panda algorithm. We are seeking an experienced on page SEO professional to analyse our site and make changes to page titles, meta descriptions, and search keywords etc and also to advise and implement ways to structure our site to reduce duplicate content. Our webpage is [login to view URL] We require this work to be completed in a short time frame. In order to be considered for this job, please include in your response the time frame within which you commit to complete this project. Please also provide a brief overview of how you would proceed with this project including the seo problems you would look for. Please note that we have another vworker project active for an off-site seo so this project is for on page only. Keywords are esky eskys eskies icebox iceboxes ice box cooler Regards Alan