We need an expert in Magento with varnish and latest plesk version configuration and installation.
Must also give advice on how much faster site will perform with this combination of nginx with varnish
Must have installed for previous sites running nginx and varnish with latest plesk combined - and provide examples for verification.
Must work and liase directly with our hosts to ensure that no risks are taken in this setup and configuration
Must also be available on skype for regular communication.
Must be installed fast without site downtime
Must have no adverse impact or risk upon the site speed and performance / functions