AT&T is implementing Integrated cloud (Compute, Storage and Network) using openstack.
Hands-on experience on Openstack and its components, at least 1.5 years on openstack alone.
Experience with HOT (Heat Orchestration Templates) is must.
Knowledge of Java would be good.
Strong knowledge of networking concepts in the cloud.
Experience with support for private cloud environments housing multiple tenants in multiple networks
Experience with automating builds and continuous integration using Chef or Puppet (desirable but not essential)
Experience with deploying Hadoop in a VM environment.
Solve problems and develop solutions for issues discovered by the customer.